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<?xml-stylesheet type="text/xsl" href="https://e2echina.ti.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>数据转换器论坛 - 最近的话题</title><link>https://e2echina.ti.com/support/data-converters/f/data-converters-forum</link><description /><dc:language>zh-CN</dc:language><generator>Telligent Community 13</generator><lastBuildDate>Fri, 11 Sep 2026 02:56:13 GMT</lastBuildDate><atom:link rel="self" type="application/rss+xml" href="https://e2echina.ti.com/support/data-converters/f/data-converters-forum" /><item><title>ADC12DJ5200RF: 开启DDC模式之后，模拟拟输入端口悬空会出现建链不稳定现象</title><link>https://e2echina.ti.com/thread/1094067?ContentTypeID=0</link><pubDate>Fri, 11 Sep 2026 02:56:13 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:3ca40823-39e5-482f-bfea-6342407dbaca</guid><dc:creator>yuhang feng</dc:creator><slash:comments>1</slash:comments><comments>https://e2echina.ti.com/thread/1094067?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1094067/adc12dj5200rf-ddc/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/ADC12DJ5200RF" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;ADC12DJ5200RF&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;&lt;p&gt;在使用DDC模式时，比如Jmode52或者Jmode53模式，模拟输入端口悬空会出现偶发掉链情况，同时监测到VD1.1V电源电流会有20mA左右一直波动。模拟输入给个射频信号，建链稳定，同时VD1.1V无波动很稳定。想知道为什么会出现这种异常情况？还有一个问题手册中7.3.10.2中，INIT_ON__FIFO_ALM这一位寄存器值对应的寄存器地址是哪个？&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>AMC131M03-Q1: AMC131M03-Q1读出的AD值始终为零</title><link>https://e2echina.ti.com/thread/1093286?ContentTypeID=0</link><pubDate>Mon, 07 Sep 2026 06:27:55 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:75b1d97c-26e5-4adc-8bfe-5ec097d145cd</guid><dc:creator>Jianxuan</dc:creator><slash:comments>2</slash:comments><comments>https://e2echina.ti.com/thread/1093286?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1093286/amc131m03-q1-amc131m03-q1-ad/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/AMC131M03-Q1" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;AMC131M03-Q1&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;
&lt;p&gt;您好！&lt;/p&gt;
&lt;p&gt;采用AMC131M03-Q1进行AD转换。原理图如下：&lt;/p&gt;
&lt;p&gt;&lt;img style="max-height:240px;max-width:320px;" src="https://e2echina.ti.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/58/pastedimage1788830033287v1.png" alt=" "&gt;&lt;/p&gt;
&lt;p&gt;SPI配置为：SCLK为2.25MHz， CPOL=0且CPHA=1。现在SPI已经调通，成功读到了ID寄存器的值为0x2312。&lt;/p&gt;
&lt;p&gt;目前我们碰到的问题是无论输入电压如何调整，读出来的AD值均为0，但是测量131的管脚9和管脚10之间的电压的确随着输入电压而变化。&lt;/p&gt;
&lt;p&gt;AMC131M03-Q1的配置如下：&lt;/p&gt;
&lt;p&gt;CLKIN为4.096MHz。&lt;br&gt;MODE寄存器没动，使用复位后的缺省值。则字长为24位，整个SPI收发的数据长度为3*5=15字节。&lt;br&gt;CLOCK寄存器配置为0x70D，则为低功耗模式，因为CLKIN为4.096MHz。&lt;br&gt;GAIN寄存器配置为0x444，则增益为16，其FSR为75mV。我们输入电压最大为1000V，转换后给131的AD输入电压最大为55mV。&lt;br&gt;DCDC_CTRL 寄存器配置为0x0x801。&lt;br&gt;通过NULL命令不断地读取状态寄存器来获得AD值。&lt;br&gt;当状态寄存器中DRDY0为1，则将收到的第3、4、5字节合并为一个32位整数，第3字节为MSB，第5字节为LSB，并作为通道0的AD值。&lt;br&gt;当状态寄存器中DRDY1为1，则将收到的第6、7、8字节合并为一个32位整数，第6字节为MSB，第8字节为LSB，并作为通道1的AD值。&lt;br&gt;当状态寄存器中DRDY2为1，则将收到的第9、10、11字节合并为一个32位整数，第9字节为MSB，第11字节为LSB，并作为通道2的AD值。&lt;br&gt;调试时，我们的输入电压为0~300V，测量131的管脚9和管脚10之间的电压为0~18mV。&lt;/p&gt;
&lt;p&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; 谢谢！&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>AMC8V208: amc8v208数据手册</title><link>https://e2echina.ti.com/thread/1092343?ContentTypeID=0</link><pubDate>Fri, 04 Sep 2026 05:39:37 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:96db6748-b4a8-4bde-b484-71fa9f1eaf95</guid><dc:creator>Weizhuo Fu</dc:creator><slash:comments>3</slash:comments><comments>https://e2echina.ti.com/thread/1092343?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1092343/amc8v208-amc8v208/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/AMC8V208" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;AMC8V208&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;&lt;p&gt;您好！&amp;nbsp;&lt;/p&gt;
&lt;p&gt;我在设计amc8v208的外围电路时发现你们官方的数据手册上没有关于寄存器的手册，我希望能得到具体的寄存器手册方便我可以正确的驱动amc8v208，谢谢！&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>ADC09DJ1300: ADC调试问题</title><link>https://e2echina.ti.com/thread/1092282?ContentTypeID=0</link><pubDate>Thu, 03 Sep 2026 05:16:23 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:a9772f9e-8a78-4bc4-ae82-5d561d92e1b7</guid><dc:creator>Linda Kang</dc:creator><slash:comments>2</slash:comments><comments>https://e2echina.ti.com/thread/1092282?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1092282/adc09dj1300-adc/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/ADC09DJ1300" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;ADC09DJ1300&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;&lt;p&gt;&lt;a href="https://e2echina.ti.com/cfs-file/__key/communityserver-discussions-components-files/58/ADC_038CD58BEE959898_-_2800_1_2900_.pdf" target="_blank" rel="noopener"&gt;ADC调试问题 (1).pdf&lt;/a&gt;&amp;nbsp;&lt;/p&gt;
&lt;p&gt;关于ADC09DJ1300AAV ADC调试问题,请帮忙指导一下, 期待您的答复.&amp;nbsp;&lt;/p&gt;
&lt;p&gt;Best Regards&lt;/p&gt;
&lt;p&gt;Linda&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>ADS7253: ADS7253使用SPI读取CFR寄存器的问题</title><link>https://e2echina.ti.com/thread/1092262?ContentTypeID=0</link><pubDate>Wed, 02 Sep 2026 11:10:16 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:004853de-f8c6-42bd-8c43-1222907c1488</guid><dc:creator>Zenghui Wang</dc:creator><slash:comments>2</slash:comments><comments>https://e2echina.ti.com/thread/1092262?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1092262/ads7253-ads7253-spi-cfr/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/ADS7253" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;ADS7253&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;&lt;p&gt;在使用SPI读取ADS7253的时候，在回读寄存器的时候，按照手册给出的CFR应该先回R15~R11位0011，在跟R10~R0的数据。但是实际读取下来，高四位0011总是回读不了。后来又读取REFDAC_A/B这两个寄存器的数据都可以正常读取。使用逻辑分析仪抓取SPI也没有问题。SCLK时钟频率设置的是700KHZ,周期是1.42us,回读寄存器需要两次读取。两次读取之间的CS间隔设置的是1.4us,这些都符合手册的要求。但是这个CFR寄存器的回读不符合手册，来咨询和请教一下。感谢你们的耐心回答&lt;img src="https://e2echina.ti.com/cfs-file/__key/communityserver-discussions-components-files/58/2018.image.png" alt="image.png" data-temp-id="image.png-90917"&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>ADS9810: 高精度ADC模拟信号插件用用什么地？</title><link>https://e2echina.ti.com/thread/1092187?ContentTypeID=0</link><pubDate>Mon, 31 Aug 2026 08:39:09 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:e8e7f045-b026-481a-9bb4-391f782186c7</guid><dc:creator>MAX</dc:creator><slash:comments>2</slash:comments><comments>https://e2echina.ti.com/thread/1092187?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1092187/ads9810-adc/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/ADS9810" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;ADS9810&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;&lt;p&gt;如图当前设计中，18bit ADC 电路的参考地为模拟地 GND_ADC，插件中为模拟输入信号，其参考地用了数字地 GND_D (GND_C为框架保护地)，数字地和模拟地平面用 0&amp;Omega; 电阻连接。这样模拟信号会经过分割的地。如果插件中也用 GND_ADC，则模拟信号不会被分割，但是 GND_ADC 可能会引入外部线缆的干扰。我想知道目前通用的高精度 ADC 采样电路，一般采用哪种方式？&amp;nbsp;&lt;/p&gt;
&lt;p&gt;&lt;img src="https://e2echina.ti.com/cfs-file/__key/communityserver-discussions-components-files/58/9349d6a4_2D00_f923_2D00_40d7_2D00_80cf_2D00_c054aeaeba17.png" alt="9349d6a4-f923-40d7-80cf-c054aeaeba17.png" data-temp-id="9349d6a4-f923-40d7-80cf-c054aeaeba17.png-27743"&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>DDC112: DDC112Y使用外部积分电容时     采集ADC数值一直异常      使用内部积分电容采集ADC数值正常</title><link>https://e2echina.ti.com/thread/1092182?ContentTypeID=0</link><pubDate>Mon, 31 Aug 2026 06:25:43 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:8649a859-1c2a-4462-bf6e-e1f209c4c036</guid><dc:creator>zhichao huang</dc:creator><slash:comments>2</slash:comments><comments>https://e2echina.ti.com/thread/1092182?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1092182/ddc112-ddc112y-adc-adc/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/DDC112" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;DDC112&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;&lt;p&gt;1、DDC112Y使用外部积分电容时两个通道数值都是 &amp;nbsp;1048575（两个通道都是悬空的）；&lt;br&gt;2、外部电容4个都是接COG材质&amp;nbsp; 250PF电容；&lt;/p&gt;
&lt;p&gt;3、使用内部积分电容采集的数值都是正常的；&lt;/p&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
&lt;p&gt;问题：什么原因导致使用外部积分电容通道数值异常；&lt;/p&gt;
&lt;p&gt;&amp;nbsp; &amp;nbsp;&lt;a href="https://e2echina.ti.com/cfs-file/__key/communityserver-discussions-components-files/58/PTS25_5F00_Glossiness_5F00_Board_5F00_V1.0B.pdf" target="_blank" rel="noopener" data-temp-id="PTS25_Glossiness_Board_V1.0B.pdf-1034175"&gt;PTS25_Glossiness_Board_V1.0B.pdf&lt;/a&gt;&amp;nbsp;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>AFE1598: How to apply for this document when we do not have website now?</title><link>https://e2echina.ti.com/thread/1092178?ContentTypeID=0</link><pubDate>Mon, 31 Aug 2026 05:02:59 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:3e99986f-352d-49c1-b564-909a22edd404</guid><dc:creator>Shawn Xiang</dc:creator><slash:comments>1</slash:comments><comments>https://e2echina.ti.com/thread/1092178?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1092178/afe1598-how-to-apply-for-this-document-when-we-do-not-have-website-now/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/AFE1598" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;AFE1598&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;&lt;p&gt;We are a startup founded in 2021, focused on product R&amp;amp;D (with our investors handling the market side). We do not have a company website now, and I was always denied when apply this chip document from your websit.&amp;nbsp; However, some publicly available information (in Chinese) about us can be referenced online at: &lt;a href="https://www.innohere.com/ir/104592/finance.html"&gt;https://www.innohere.com/ir/104592/finance.html&lt;/a&gt;&lt;/p&gt;
&lt;h2&gt;AffectOR MedTech &amp;mdash; Company Profile (English)&lt;/h2&gt;
&lt;h3&gt;Company Overview&lt;/h3&gt;
&lt;ul style="list-style-type:disc;"&gt;
&lt;li&gt;&lt;strong&gt;Legal name:&lt;/strong&gt; Jianhu Medical Technology (Suzhou) Co., Ltd. (剑虎医疗科技（苏州）有限公司)&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;Brand name:&lt;/strong&gt; AffectOR MedTech (剑虎医疗)&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;Company type:&lt;/strong&gt; Limited Liability Company&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;Registered capital:&lt;/strong&gt; RMB 2.36 million&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;Founded:&lt;/strong&gt; February 10, 2021&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;Legal representative:&lt;/strong&gt; Zhao Yongming&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;Phone:&lt;/strong&gt; 18017008690&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;Email:&lt;/strong&gt; xushuaike@alphatai.cn&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;Address:&lt;/strong&gt; 2nd Floor, Accelerator Auxiliary Building, No. 135 Zhangji Road, Kunshan Development Zone, Suzhou, Jiangsu, China&lt;/li&gt;
&lt;/ul&gt;
&lt;h3&gt;Industry &amp;amp; Business Categories&lt;/h3&gt;
&lt;ul style="list-style-type:disc;"&gt;
&lt;li&gt;Biopharmaceuticals&lt;/li&gt;
&lt;li&gt;High-end medical devices and instruments, and related technical services&lt;/li&gt;
&lt;/ul&gt;
&lt;h3&gt;Key Facts&lt;/h3&gt;
&lt;ul style="list-style-type:disc;"&gt;
&lt;li&gt;&lt;strong&gt;Funding rounds:&lt;/strong&gt; 2&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;Employees:&lt;/strong&gt; fewer than 50&lt;/li&gt;
&lt;li&gt;&lt;strong&gt;Patents:&lt;/strong&gt; 14&lt;/li&gt;
&lt;/ul&gt;
&lt;h3&gt;Funding History&lt;/h3&gt;
&lt;p&gt;表格&lt;/p&gt;
&lt;table&gt;
&lt;thead&gt;
&lt;tr&gt;
&lt;th&gt;Date&lt;/th&gt;
&lt;th&gt;Round&lt;/th&gt;
&lt;th&gt;Amount&lt;/th&gt;
&lt;th&gt;Investors&lt;/th&gt;
&lt;/tr&gt;
&lt;/thead&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;td&gt;2023-11-07&lt;/td&gt;
&lt;td&gt;Pre-A Round&lt;/td&gt;
&lt;td&gt;Tens of millions of RMB&lt;/td&gt;
&lt;td&gt;Shanghai Chuangrui Investment, Ruihe Capital, Kunshan Hi-tech Group&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;2022-09-27&lt;/td&gt;
&lt;td&gt;Angel Round&lt;/td&gt;
&lt;td&gt;Undisclosed&lt;/td&gt;
&lt;td&gt;Kunshan Hi-tech Group&lt;/td&gt;
&lt;/tr&gt;
&lt;/tbody&gt;
&lt;/table&gt;
&lt;h3&gt;Company Profile&lt;/h3&gt;
&lt;p&gt;Founded in February 2021 in Kunshan, Suzhou, Jianhu Medical Technology operates with Kunshan as its manufacturing center and Shanghai as its R&amp;amp;D center. The company is committed to becoming an internationally leading innovator in interventional imaging technology. Through an integrated strategy combining an imaging platform, an energy platform, and consumables, it is building a complete cardiac electrophysiology (EP) solution. After years of development, AffectOR MedTech has established complete proprietary intellectual property and core algorithms in dielectric imaging, a pulsed field ablation (PFA) system, and catheter design and manufacturing, holding over ten core invention patents in this field.&lt;/p&gt;
&lt;h3&gt;Main Business&lt;/h3&gt;
&lt;p&gt;AffectOR MedTech focuses on the interventional imaging technology sector. By adopting an integrated strategy of an imaging platform, an energy platform, and consumables, the company delivers comprehensive cardiac electrophysiology solutions. Its core business areas include:&lt;/p&gt;
&lt;ul style="list-style-type:disc;"&gt;
&lt;li&gt;Dielectric imaging system&lt;/li&gt;
&lt;li&gt;Pulsed field ablation (PFA) system&lt;/li&gt;
&lt;li&gt;Catheter design and manufacturing&lt;/li&gt;
&lt;li&gt;Core algorithms&lt;/li&gt;
&lt;li&gt;Integrated solutions&lt;/li&gt;
&lt;li&gt;Technology R&amp;amp;D&lt;/li&gt;
&lt;li&gt;Manufacturing and quality&lt;/li&gt;
&lt;li&gt;Service and support&lt;/li&gt;
&lt;/ul&gt;
&lt;h3&gt;Business Scope (as registered)&lt;/h3&gt;
&lt;p&gt;&lt;strong&gt;Licensed items:&lt;/strong&gt; Production of Class II medical devices; production of Class III medical devices; sales of Class III medical devices; import and export of goods (activities requiring approval in accordance with law shall be carried out after approval by the relevant authorities; specific business items are subject to the approval result).&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;General items:&lt;/strong&gt; Production of Class I medical devices; sales of Class I and Class II medical devices; domestic trade agency; technical services, technical development, technical consulting, technical exchange, technical transfer, and technical promotion (activities not subject to approval in accordance with law may be carried out independently under the business license).&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>AFE2256EVM: Request for AFE2256 Full Datasheet, Timing Information, and EVM Development Resources</title><link>https://e2echina.ti.com/thread/1092173?ContentTypeID=0</link><pubDate>Mon, 31 Aug 2026 02:41:17 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:9d83e563-0989-4392-9f57-bb14de68d8f3</guid><dc:creator>jin dp</dc:creator><slash:comments>1</slash:comments><comments>https://e2echina.ti.com/thread/1092173?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1092173/afe2256evm-request-for-afe2256-full-datasheet-timing-information-and-evm-development-resources/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/tool/cn/AFE2256EVM" class="internal-link folder tool" title="Link to Tool Folder" target="_blank"&gt;AFE2256EVM&lt;/a&gt;&lt;br /&gt;&lt;b&gt;Other Parts Discussed in Thread:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/AFE2256" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;AFE2256&lt;/a&gt;,&lt;/p&gt;&lt;p&gt;Hello,&lt;/p&gt;
&lt;p&gt;Our company is developing a medical X-ray flat panel detector for dental CBCT and general medical imaging applications. We are evaluating the AFE2256 for detector signal readout.&lt;/p&gt;
&lt;p&gt;Could you please provide the following materials?&lt;/p&gt;
&lt;ol&gt;
&lt;li&gt;
&lt;p&gt;Full AFE2256 datasheet;&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;Register descriptions and initialization sequence;&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;Detailed control and data-output timing diagrams;&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;AFE2256EVM user guide, schematics, software, and example code;&lt;/p&gt;
&lt;/li&gt;
&lt;li&gt;
&lt;p&gt;FPGA interface reference design, if available.&lt;/p&gt;
&lt;/li&gt;
&lt;/ol&gt;
&lt;p&gt;Company: Suzhou Dimage Dental Technology Co., Ltd.&lt;/p&gt;
&lt;p&gt;We are willing to sign an NDA if required. Please help forward this request to the appropriate product specialist.&lt;/p&gt;
&lt;p&gt;Thank you.&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>ADS127L21EVM-PDK: ADS127L21EVM-PDK</title><link>https://e2echina.ti.com/thread/1091900?ContentTypeID=0</link><pubDate>Fri, 28 Aug 2026 01:24:04 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:47360cf2-57e4-4323-8257-c9e9eefeb1fe</guid><dc:creator>shuyuan chou</dc:creator><slash:comments>2</slash:comments><comments>https://e2echina.ti.com/thread/1091900?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1091900/ads127l21evm-pdk-ads127l21evm-pdk/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/tool/cn/ADS127L21EVM-PDK" class="internal-link folder tool" title="Link to Tool Folder" target="_blank"&gt;ADS127L21EVM-PDK&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;&lt;p&gt;你好 我已经买了一块ADS127L21EVM-PDK，我想重新设计一下，请问是否有pcb文件或者Gerber文件 ，谢谢&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>ADS1261: ADC数据读取值一直在降低</title><link>https://e2echina.ti.com/thread/1091875?ContentTypeID=0</link><pubDate>Fri, 28 Aug 2026 00:37:27 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:ce20664b-cf48-4cc9-9f47-25cb466aac1b</guid><dc:creator>sam Leblanc</dc:creator><slash:comments>2</slash:comments><comments>https://e2echina.ti.com/thread/1091875?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1091875/ads1261-adc/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/ADS1261" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;ADS1261&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;&lt;p&gt;我的外部电路的电压一直是稳定的没有改变，但是芯片读取的ADC数值却在慢慢下降&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>DAC3484: DAC3484 FIFO冲突</title><link>https://e2echina.ti.com/thread/1091694?ContentTypeID=0</link><pubDate>Thu, 27 Aug 2026 07:57:14 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:51bfe908-7411-44d2-9c2d-35bcafd4341a</guid><dc:creator>fan li</dc:creator><slash:comments>2</slash:comments><comments>https://e2echina.ti.com/thread/1091694?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1091694/dac3484-dac3484-fifo/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/DAC3484" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;DAC3484&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;&lt;p&gt;我们的板子上只有一颗DAC3484。使用一个低抖动的时钟芯片产生两路时钟，一路为61.44M，送给FPGA.另一路为368.64M送给DAC3484的DACCLK输入。FPGA内部使用PLL将61.44倍频到368.64.使用DAC3484内部锁相环将输入的DACCLK 368.64倍频到737.28M。使用frame作为单同步源。2倍插值。操作时序是1、TXENABLE=0，SLEEP = 0，上电后复位100ms，2、配置所有的寄存器，3、提供DATACLK、DATA、FRAME（只发一次，不是周期性的，脉冲持续4个DATACLK）4、等待PLL锁定后，向config5 写0，然后读config5。读取到的config5一直为0x3940。也尝试了采用sif_sync以及双同步源模式（使用PLL产生的OSTR）都不行，都是报0x3940。寄存器配置如下，请帮忙分析一下什么问题。&lt;/p&gt;
&lt;p&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x02,0xF0e2},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x00,0x029c},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x01,0x010E},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x03,0x9001},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x04,0x0000},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x05,0x0000},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x07,0x407F},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x09,0x8000},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x08,0x0000},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x0B,0x0000},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x0A,0x0000},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x0C,0x0400},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x0D,0x4400},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x10,0x0000},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x0E,0x0400},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x0F,0x0400},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x11,0x0000},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x14,0x0000},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x15,0x0000},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x12,0x0000},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x16,0x0000},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x17,0x0000},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x13,0x0000},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x18,0x2ce8},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x19,0x20f4},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x1A,0x9000},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x1B,0x0800},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x1E,0x8888},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x1F,0x8880},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x22,0x1B1B},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x23,0x005F},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x24,0x0000},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x2D,0x0004},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x2E,0x0000},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x2F,0x0000},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x30,0x2250},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x00,0xf19c},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x20,0x2201},&lt;br&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; {0x05,0x0000},&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>ADS1261: ADC读取问题</title><link>https://e2echina.ti.com/thread/1091452?ContentTypeID=0</link><pubDate>Wed, 26 Aug 2026 07:17:29 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:f09b38a5-70d4-49f5-90d0-f317647429d3</guid><dc:creator>sam Leblanc</dc:creator><slash:comments>12</slash:comments><comments>https://e2echina.ti.com/thread/1091452?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1091452/ads1261-adc/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/ADS1261" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;ADS1261&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;&lt;p&gt;你好，我使用了四个通道去读取ADC和四个通道去设置恒流源，这八个通道是分开的，那我如何能够同时读取四个ADC呢？然后读取四个ADC数据的同时去配置其中一路恒流源呢？&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>ADS1261: spi通信问题</title><link>https://e2echina.ti.com/thread/1091142?ContentTypeID=0</link><pubDate>Tue, 25 Aug 2026 03:09:06 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:1294fbfe-4f8c-459a-bb15-0b0061e2c25b</guid><dc:creator>sam Leblanc</dc:creator><slash:comments>6</slash:comments><comments>https://e2echina.ti.com/thread/1091142?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1091142/ads1261-spi/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/ADS1261" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;ADS1261&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;&lt;p&gt;请问一下，这些都是通信所必须的吗？我直接发送原本address可以吗？然后CRC校验是必须要的吗？&lt;/p&gt;
&lt;p&gt;&lt;img src="https://e2echina.ti.com/cfs-file/__key/communityserver-discussions-components-files/58/734b183c_2D00_a3a7_2D00_4431_2D00_8f3c_2D00_8ccc69643dfc.jpeg" alt="734b183c-a3a7-4431-8f3c-8ccc69643dfc.jpeg" data-temp-id="734b183c-a3a7-4431-8f3c-8ccc69643dfc.jpeg-450236"&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>ADC09QJ1300-Q1: 激光雷达EMC测试问题ADC09QJ1300-Q1</title><link>https://e2echina.ti.com/thread/1091140?ContentTypeID=0</link><pubDate>Tue, 25 Aug 2026 02:36:43 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:9c019728-e65f-4942-8f34-6d3ddb0f5f5b</guid><dc:creator>nick chen</dc:creator><slash:comments>4</slash:comments><comments>https://e2echina.ti.com/thread/1091140?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1091140/adc09qj1300-q1-emc-adc09qj1300-q1/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/ADC09QJ1300-Q1" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;ADC09QJ1300-Q1&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;
&lt;p&gt;1，产品EMC测试中测试RE1.562G超标，直接使用频谱仪探测单板，发现LMK05318BTRGZTQ1时钟芯片正上方探测到26dB的1.562G的辐射，其他位置时钟供给ADC和FPGA的时钟走线外层附件可以探测到约15dB的1.562G的辐射，目前结构做屏蔽罩罩住时钟芯片有点困难，麻烦看下有没有什么处理手段&lt;/p&gt;
&lt;p&gt;2，ADC芯片是否支持展频的时钟输入。&lt;/p&gt;
&lt;p&gt;3，我们目前时钟输入Dclk是156.25M，sysref_p是4.8828M，采样率是1.25G，四通道jmode10 ，FPGA使用156.25M时钟接收数据，测试数据和原理图等见附件&lt;/p&gt;
&lt;p&gt;4，我们想避开1.5G-1.6G的频段应该怎么设置，我们设置Dclk为125M，N从8变成10，其他设置不变，FPGA无法读取数据，ADC寄存器：&lt;/p&gt;
&lt;p&gt;设置&lt;span&gt;125M N=10时，测试TRIGOUT为488M，读取JESD_STATUS Register (Address = 0x208) [reset = 0x0] 值为0xC0&amp;nbsp;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span&gt;设置156.25&lt;/span&gt;&lt;span&gt;M N=8时，测试TRIGOUT为488M，读取JESD_STATUS Register (Address = 0x208) [reset = 0x0] 值为0x00&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;使用Xilinx的IP核读取，申请的&lt;span&gt;TI204C-IP一直没有后续。&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;img style="max-height:240px;max-width:320px;" src="https://e2echina.ti.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/58/pastedimage1788229554399v1.png" alt=" "&gt;&lt;br&gt;const&amp;nbsp;u32&amp;nbsp;adc_config[]&amp;nbsp;=&amp;nbsp;{&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x00B0,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x0200,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x1000,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x29E0,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x2A00,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x2B15,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x30FF,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x31FF,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x374B,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x3B00,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x3C01,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x3D06,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x3e0a,&amp;nbsp;//0x3E08,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x3F4F,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x4800,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x5000,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x5700,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x5801,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x5900,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x5C01,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x5D41,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x6101,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x6201,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x6501,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x6861,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x6B00,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x6C01,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;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&amp;nbsp;&amp;nbsp;0x2C11F,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x2C27F,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x2C400,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x33000,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x33100,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x33200,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x33300,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x33400,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x33500,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x33600,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x33700,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x33800,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x33900,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x33A00,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x33B00,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x33C00,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x33D00,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x33E00,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x33F00,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x36000,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x36100,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x36200,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x36300,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x36400,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x36500,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x36600,&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x36700,&lt;br&gt;&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;//25.02.17&amp;nbsp;for&amp;nbsp;JMODE&amp;nbsp;10&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x002B15,&amp;nbsp;//&amp;nbsp;EN_VA11_NOISE_SUPPR&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x020000,&amp;nbsp;//&amp;nbsp;Clear&amp;nbsp;JESD_EN&amp;nbsp;(always&amp;nbsp;before&amp;nbsp;CAL_EN)&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x006100,&amp;nbsp;//&amp;nbsp;Clear&amp;nbsp;CAL_EN&amp;nbsp;(always&amp;nbsp;after&amp;nbsp;JESD_EN)&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x02010A,&amp;nbsp;//&amp;nbsp;Set&amp;nbsp;JMODE10&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x02021F,&amp;nbsp;//&amp;nbsp;Set&amp;nbsp;KM1=31&amp;nbsp;so&amp;nbsp;K=32&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x020403,&amp;nbsp;//0x020401,&amp;nbsp;//&amp;nbsp;Use&amp;nbsp;SYNCSE&amp;nbsp;input,&amp;nbsp;offset&amp;nbsp;binary&amp;nbsp;data,&amp;nbsp;scrambler&amp;nbsp;enabled&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x02130F,&amp;nbsp;//&amp;nbsp;Enable&amp;nbsp;overrange,&amp;nbsp;set&amp;nbsp;overrange&amp;nbsp;holdoff&amp;nbsp;to&amp;nbsp;max&amp;nbsp;period&amp;nbsp;4*2^7&amp;nbsp;=&amp;nbsp;512&amp;nbsp;samples&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x006101,&amp;nbsp;//&amp;nbsp;Set&amp;nbsp;CAL_EN&amp;nbsp;(always&amp;nbsp;before&amp;nbsp;JESD_EN)&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x020001,&amp;nbsp;//&amp;nbsp;Set&amp;nbsp;JESD_EN&amp;nbsp;(always&amp;nbsp;after&amp;nbsp;CAL_EN)&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x006C00,&amp;nbsp;//&amp;nbsp;Set&amp;nbsp;CAL_SOFT_TRIG&amp;nbsp;low&amp;nbsp;to&amp;nbsp;reset&amp;nbsp;calibration&amp;nbsp;state&amp;nbsp;machine&lt;br&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0x006C01,&amp;nbsp;//&amp;nbsp;Set&amp;nbsp;CAL_SOFT_TRIG&amp;nbsp;high&amp;nbsp;to&amp;nbsp;enable&amp;nbsp;calibration&lt;br&gt;};&lt;br&gt;&lt;br&gt;&lt;/p&gt;
&lt;p&gt;产品带壳测试的结果：&lt;/p&gt;
&lt;p&gt;&lt;img alt="image.png" height="397" src="https://e2echina.ti.com/cfs-file/__key/communityserver-discussions-components-files/58/8535.image.png" width="464" data-temp-id="image.png-271837"&gt;&lt;/p&gt;
&lt;p&gt;时钟芯片&lt;/p&gt;
&lt;p&gt;&lt;img alt="image.png" height="227" src="https://e2echina.ti.com/cfs-file/__key/communityserver-discussions-components-files/58/2350.image.png" width="485" data-temp-id="image.png-79988"&gt;&lt;/p&gt;
&lt;p&gt;&lt;img alt="image.png" height="322" src="https://e2echina.ti.com/cfs-file/__key/communityserver-discussions-components-files/58/1602.image.png" width="426" data-temp-id="image.png-374205"&gt;&lt;/p&gt;
&lt;p&gt;&lt;img alt="image.png" height="328" src="https://e2echina.ti.com/cfs-file/__key/communityserver-discussions-components-files/58/8688.image.png" width="434" data-temp-id="image.png-166919"&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>AFE4490: FE4490功能异常：小批量测试中，个别AFE4490不插血氧探头时，检测到LED处于连接状态</title><link>https://e2echina.ti.com/thread/1091120?ContentTypeID=0</link><pubDate>Mon, 24 Aug 2026 05:31:40 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:cefcfaf1-268d-43f7-9787-cc78ddff1cba</guid><dc:creator>兔撵狗子</dc:creator><slash:comments>6</slash:comments><comments>https://e2echina.ti.com/thread/1091120?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1091120/afe4490-fe4490-afe4490-led/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/AFE4490" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;AFE4490&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;&lt;p&gt;个别的AFE4490 血氧电路在不插血氧探头的情况下， 检测到 LED1 和 LED2 都已连接， 只有 Photodiode 处于开路状态， 与实际状态不符，这种情况下更换电路中的AFE4490芯片后，恢复正常。所以推测这颗AFE4490芯片已处于异常状态。&lt;/p&gt;
&lt;p&gt;希望得到的支持：&lt;/p&gt;
&lt;p&gt;1.是否能够判断AFE4490芯片是否发生故障。&lt;/p&gt;
&lt;p&gt;2.可能发生了什么故障。&lt;/p&gt;
&lt;p&gt;3.导致该故障可能得原因。&lt;/p&gt;
&lt;p&gt;血氧电路设计：采用的是双引脚背对背LED的H桥驱动&lt;/p&gt;
&lt;p&gt;&lt;img src="https://e2echina.ti.com/cfs-file/__key/communityserver-discussions-components-files/58/AFE4490.png" alt="AFE4490.png" data-temp-id="AFE4490.png-99615"&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>ADS1220: ADS1220接两线制PT100</title><link>https://e2echina.ti.com/thread/1090374?ContentTypeID=0</link><pubDate>Wed, 19 Aug 2026 06:28:19 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:ea93cb7c-e464-4225-84b5-dee82a044597</guid><dc:creator>user4959119</dc:creator><slash:comments>4</slash:comments><comments>https://e2echina.ti.com/thread/1090374?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1090374/ads1220-ads1220-pt100/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/ADS1220" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;ADS1220&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;&lt;p&gt;我有三路PT100（两线制接法），打算用ADS1220采集，请问能实现吗？或者有没有相关支持的芯片？&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>ADC32RF72: How to choose ADCs for radio telescopes?</title><link>https://e2echina.ti.com/thread/1090140?ContentTypeID=0</link><pubDate>Tue, 18 Aug 2026 08:25:20 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:51445a30-84dd-460a-9cff-6eff55ed914e</guid><dc:creator>Zhongxu Chen</dc:creator><slash:comments>2</slash:comments><comments>https://e2echina.ti.com/thread/1090140?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1090140/adc32rf72-how-to-choose-adcs-for-radio-telescopes/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/ADC32RF72" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;ADC32RF72&lt;/a&gt;&lt;br /&gt;&lt;b&gt;Other Parts Discussed in Thread:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/ADC32RF55" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;ADC32RF55&lt;/a&gt;,&lt;/p&gt;&lt;p&gt;I&amp;#39;m a undergraduate learning astrophysics and interested in radio telescopes now. I have learned some courses about curcuits but still confused about how to choose an ADC for my antenna (1-1.5GHz). So what parameters should I focus on ? Should I buy other things like clock buffers ?(I&amp;#39;m sorry for my stupid questions) And I appreciate it if someone could give me more further advice about builing an antenna backend and learning about microwave curcuits ! Thank you very much !&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>ADC32RF72: How to choose ADCs for radio telescopes?</title><link>https://e2echina.ti.com/thread/1090139?ContentTypeID=0</link><pubDate>Tue, 18 Aug 2026 08:23:36 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:8612bf9e-6b65-4b9b-a401-42f29c190949</guid><dc:creator>Zhongxu Chen</dc:creator><slash:comments>1</slash:comments><comments>https://e2echina.ti.com/thread/1090139?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1090139/adc32rf72-how-to-choose-adcs-for-radio-telescopes/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/ADC32RF72" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;ADC32RF72&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;&lt;p&gt;I&amp;#39;m a undergraduate learning astrophysics and interested in radio telescopes now. I have learned some courses about curcuits but still confused about how to choose an ADC for my antenna (1-1.5GHz). So what parameters should I focus on ? Should I buy other things like clock buffers ?(I&amp;#39;m sorry for my stupid questions) And I appreciate it if someone could give me more further advice about builing an antenna backend and learning about microwave curcuits ! Thank you very much !&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>ADS131E08: 菊花链时序问题</title><link>https://e2echina.ti.com/thread/1090133?ContentTypeID=0</link><pubDate>Tue, 18 Aug 2026 03:23:11 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:aa7b4c2b-25a8-4cbf-bb0d-95d5452680f2</guid><dc:creator>Phinney xiong</dc:creator><slash:comments>5</slash:comments><comments>https://e2echina.ti.com/thread/1090133?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1090133/ads131e08/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/ADS131E08" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;ADS131E08&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;&lt;div data-line="true" data-line-index="0" data-zone-id="0"&gt;你好，ADS131E08的datasheet里面的这两张图，Figure2中，DAISY_IN波形相对于DOUT往后延迟了半个SCLK周期，Figure56图中的DAISY_IN0 相对于DOUT没有往后延迟，想问下造成这两张图DOUT和DAISY_IN时序差异的原因是什么？Figure2图DAISY_IN波形相对于DOUT往后延迟了半个SCLK周期是因为在DOUT和DAISY_IN之间增加了延迟电路么？&lt;/div&gt;
&lt;div data-line="true" data-line-index="0" data-zone-id="0"&gt;&amp;nbsp;&lt;/div&gt;
&lt;div data-line="true" data-line-index="0" data-zone-id="0"&gt;&lt;img src="https://e2echina.ti.com/cfs-file/__key/communityserver-discussions-components-files/58/0601.image.png" alt="image.png" width="933" height="267" data-temp-id="image.png-52232"&gt;&lt;/div&gt;
&lt;div data-line="true" data-line-index="0" data-zone-id="0"&gt;&lt;img src="https://e2echina.ti.com/cfs-file/__key/communityserver-discussions-components-files/58/3324.image.png" alt="image.png" width="1041" height="296" data-temp-id="image.png-70440"&gt;&lt;/div&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>ADS131E08: 菊花链时序问题</title><link>https://e2echina.ti.com/thread/1090132?ContentTypeID=0</link><pubDate>Tue, 18 Aug 2026 03:21:15 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:26c8b2aa-c99f-4f77-9998-7ca849d42c2a</guid><dc:creator>Phinney xiong</dc:creator><slash:comments>2</slash:comments><comments>https://e2echina.ti.com/thread/1090132?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1090132/ads131e08/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/ADS131E08" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;ADS131E08&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;&lt;div data-line="true" data-line-index="0" data-zone-id="0"&gt;你好，ADS131E08的datasheet里面的这两张图，Figure2中，DAISY_IN波形相对于DOUT往后延迟了半个SCLK周期，Figure56图中的DAISY_IN0 相对于DOUT没有往后延迟，想问下造成这两张图DOUT和DAISY_IN时序差异的原因是什么？Figure2图DAISY_IN波形相对于DOUT往后延迟了半个SCLK周期是因为在DOUT和DAISY_IN之间增加了延迟电路么？&lt;/div&gt;
&lt;div data-line="true" data-line-index="0" data-zone-id="0"&gt;&amp;nbsp;&lt;/div&gt;
&lt;div data-line="true" data-line-index="0" data-zone-id="0"&gt;&lt;img src="https://e2echina.ti.com/cfs-file/__key/communityserver-discussions-components-files/58/06736.image.png" alt="image.png" width="933" height="267" data-temp-id="image.png-52232"&gt;&lt;/div&gt;
&lt;div data-line="true" data-line-index="0" data-zone-id="0"&gt;&lt;img src="https://e2echina.ti.com/cfs-file/__key/communityserver-discussions-components-files/58/534382.image.png" alt="image.png" width="1041" height="296" data-temp-id="image.png-70440"&gt;&lt;/div&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>TPS54424: Label DC different from body marking, is it normal?</title><link>https://e2echina.ti.com/thread/1089934?ContentTypeID=0</link><pubDate>Mon, 17 Aug 2026 02:41:36 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:d8594378-db36-48d7-a3c8-851055af3ae6</guid><dc:creator>Summer Kuang</dc:creator><slash:comments>1</slash:comments><comments>https://e2echina.ti.com/thread/1089934?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1089934/tps54424-label-dc-different-from-body-marking-is-it-normal/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/TPS54424" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;TPS54424&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Label indicated body marking 34&amp;nbsp;&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;Body marking 35&amp;nbsp;&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;&lt;img src="https://e2echina.ti.com/cfs-file/__key/communityserver-discussions-components-files/58/7317.png" alt="1.png" data-temp-id="1.png-330096"&gt;&lt;img src="https://e2echina.ti.com/cfs-file/__key/communityserver-discussions-components-files/58/4263.png" alt="2.png" data-temp-id="2.png-1170648"&gt;&lt;/strong&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>DAC80508-04EVM: DAC80508-04EVM采购及外部SPI控制参数确认</title><link>https://e2echina.ti.com/thread/1089847?ContentTypeID=0</link><pubDate>Sat, 15 Aug 2026 05:30:36 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:58c22240-a1d8-4b1f-a1ce-c7b162cdfa4b</guid><dc:creator>qq dc</dc:creator><slash:comments>2</slash:comments><comments>https://e2echina.ti.com/thread/1089847?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1089847/dac80508-04evm-dac80508-04evm-spi/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/tool/cn/DAC80508-04EVM" class="internal-link folder tool" title="Link to Tool Folder" target="_blank"&gt;DAC80508-04EVM&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;&lt;p data-end="376" data-start="321"&gt;您好，我们计划采购 DAC80508-04EVM，用于4路0&amp;ndash;3.8 V精密控制 BATi PCM430。&lt;/p&gt;
&lt;p data-end="392" data-start="384"&gt;请协助确认：&lt;/p&gt;
&lt;ol data-end="644" data-start="395"&gt;
&lt;li data-end="412" data-start="395" data-section-id="3l9fjv"&gt;当前库存及预计补货时间；&lt;/li&gt;
&lt;li data-end="428" data-start="415" data-section-id="19squ29"&gt;评估板供电方式；&lt;/li&gt;
&lt;li data-end="457" data-start="431" data-section-id="1twn7qg"&gt;是否可以由外部FPGA通过SPI直接控制；&lt;/li&gt;
&lt;li data-end="478" data-start="460" data-section-id="hcj2kg"&gt;外部SPI接口及引脚定义；&lt;/li&gt;
&lt;li data-end="497" data-start="481" data-section-id="1ozsbx2"&gt;5 V满量程配置方式；&lt;/li&gt;
&lt;li data-end="527" data-start="500" data-section-id="391ne1"&gt;上电、复位及掉电后各DAC通道默认输出状态；&lt;/li&gt;
&lt;li data-end="561" data-start="530" data-section-id="jlwlfi"&gt;是否可以设置安全的Power-on Reset输出；&lt;/li&gt;
&lt;li data-end="598" data-start="564" data-section-id="17h2ndp"&gt;当前TI官网显示缺货，请问是否有官方授权代理现货渠道推荐；&lt;/li&gt;
&lt;li data-end="639" data-start="601" data-section-id="126x76j"&gt;请提供最新版 DAC80508-04EVM User Guide。&lt;/li&gt;
&lt;/ol&gt;
&lt;p data-end="694" data-start="647"&gt;实际应用中，PCM430控制输入范围为0&amp;ndash;4 V，我们的软件将限制DAC输出在0&amp;ndash;3.8 V。&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>DAC80508-04EVM: DAC80508-04EVM采购及外部SPI控制参数确认</title><link>https://e2echina.ti.com/thread/1089846?ContentTypeID=0</link><pubDate>Sat, 15 Aug 2026 05:29:01 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:f0c4cf1d-0c9a-4114-8a8f-7c3d00ff211a</guid><dc:creator>qq dc</dc:creator><slash:comments>2</slash:comments><comments>https://e2echina.ti.com/thread/1089846?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1089846/dac80508-04evm-dac80508-04evm-spi/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/tool/cn/DAC80508-04EVM" class="internal-link folder tool" title="Link to Tool Folder" target="_blank"&gt;DAC80508-04EVM&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;&lt;p data-end="376" data-start="321"&gt;您好，我们计划采购 DAC80508-04EVM，用于4路0&amp;ndash;3.8 V精密控制 BATi PCM430。&lt;/p&gt;
&lt;p data-end="392" data-start="384"&gt;请协助确认：&lt;/p&gt;
&lt;ol data-end="644" data-start="395"&gt;
&lt;li data-end="412" data-start="395" data-section-id="3l9fjv"&gt;当前库存及预计补货时间；&lt;/li&gt;
&lt;li data-end="428" data-start="415" data-section-id="19squ29"&gt;评估板供电方式；&lt;/li&gt;
&lt;li data-end="457" data-start="431" data-section-id="1twn7qg"&gt;是否可以由外部FPGA通过SPI直接控制；&lt;/li&gt;
&lt;li data-end="478" data-start="460" data-section-id="hcj2kg"&gt;外部SPI接口及引脚定义；&lt;/li&gt;
&lt;li data-end="497" data-start="481" data-section-id="1ozsbx2"&gt;5 V满量程配置方式；&lt;/li&gt;
&lt;li data-end="527" data-start="500" data-section-id="391ne1"&gt;上电、复位及掉电后各DAC通道默认输出状态；&lt;/li&gt;
&lt;li data-end="561" data-start="530" data-section-id="jlwlfi"&gt;是否可以设置安全的Power-on Reset输出；&lt;/li&gt;
&lt;li data-end="598" data-start="564" data-section-id="17h2ndp"&gt;当前TI官网显示缺货，请问是否有官方授权代理现货渠道推荐；&lt;/li&gt;
&lt;li data-end="639" data-start="601" data-section-id="126x76j"&gt;请提供最新版 DAC80508-04EVM User Guide。&lt;/li&gt;
&lt;/ol&gt;
&lt;p data-end="694" data-start="647"&gt;实际应用中，PCM430控制输入范围为0&amp;ndash;4 V，我们的软件将限制DAC输出在0&amp;ndash;3.8 V。&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>TX7364: TX7364的用户手册</title><link>https://e2echina.ti.com/thread/1089668?ContentTypeID=0</link><pubDate>Fri, 14 Aug 2026 11:03:31 GMT</pubDate><guid isPermaLink="false">91561404-af28-475a-b96b-cb6cbaadd097:40c4fbf3-6afc-454c-894d-48e277245450</guid><dc:creator>wang zhi</dc:creator><slash:comments>1</slash:comments><comments>https://e2echina.ti.com/thread/1089668?ContentTypeID=0</comments><wfw:commentRss>https://e2echina.ti.com/support/data-converters/f/data-converters-forum/1089668/tx7364-tx7364/rss?ContentTypeId=0</wfw:commentRss><description>&lt;p&gt;&lt;b&gt;Part Number:&lt;/b&gt; &lt;a href="https://www.ti.com.cn/product/cn/TX7364" class="internal-link folder product" title="Link to Product Folder" target="_blank"&gt;TX7364&lt;/a&gt;&lt;br /&gt;&lt;/p&gt;&lt;p&gt;TX7364的用户手册，关于寄存器的部分只详细描述了0&amp;nbsp;to&amp;nbsp;127的寄存器，后面的PAGE1-PAGE16波形参数的寄存器定义都没有描述，这部分需要更详细的说明书&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>