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[参考译文] TLV320AIC3254-Q1:20-200Hz 噪声问题

Guru**** 1818760 points
请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。

https://e2e.ti.com/support/audio-group/audio/f/audio-forum/1417006/tlv320aic3254-q1-20-200hz-noise-issue

器件型号:TLV320AIC3254-Q1

工具与软件:

大家好、团队成员:

继续下面的讨论、C193和 C197是 GRM188R61E106MA73_(0603、X5R:EIA、10uF、DC25V)、

下面是新 版本 PCB AP 测试报告、  20Hz 至200Hz 问题仍然相同

PCM1808-Q1:PCM1808-Q1温度范围-音频论坛-音频- TI E2E 支持论坛

e2e.ti.com/.../THD-Ratio.pdf

/* First Play */
I2C: tlv320aic_page_select page id(0)
I2C: tlv320aic_write_reg reg_addr(00) reg_data(00)
I2C: tlv320aic_write_reg reg_addr(01) reg_data(01)  /* SW Reset (Page0/Reg1/Data:0x01)*/
I2C: tlv320aic_page_select page id(0)
I2C: tlv320aic_write_reg reg_addr(00) reg_data(00)
I2C: tlv320aic_write_reg reg_addr(1B) reg_data(00)
I2C: tlv320aic_page_select page id(0)
I2C: tlv320aic_write_reg reg_addr(00) reg_data(00)  /* Set CLK.... */
I2C: tlv320aic_write_reg reg_addr(04) reg_data(07)
I2C: tlv320aic_write_reg reg_addr(06) reg_data(14)
I2C: tlv320aic_write_reg reg_addr(07) reg_data(00)
I2C: tlv320aic_write_reg reg_addr(08) reg_data(00)
I2C: tlv320aic_write_reg reg_addr(05) reg_data(93)
I2C: tlv320aic_write_reg reg_addr(0B) reg_data(85)
I2C: tlv320aic_write_reg reg_addr(0C) reg_data(83)
I2C: tlv320aic_write_reg reg_addr(0D) reg_data(00)
I2C: tlv320aic_write_reg reg_addr(0E) reg_data(80)
I2C: tlv320aic_page_select page id(1)
I2C: tlv320aic_write_reg reg_addr(00) reg_data(01)
I2C: tlv320aic_write_reg reg_addr(01) reg_data(08)
I2C: tlv320aic_write_reg reg_addr(02) reg_data(01)
I2C: tlv320aic_write_reg reg_addr(47) reg_data(32)
I2C: tlv320aic_write_reg reg_addr(7B) reg_data(01)
I2C: tlv320aic_page_select page id(0)
I2C: tlv320aic_write_reg reg_addr(00) reg_data(00)
I2C: tlv320aic_write_reg reg_addr(3C) reg_data(02)  /* DAC Signal Processing Block PRB_P2 */
I2C: tlv320aic_page_select page id(44)
I2C: tlv320aic_write_reg reg_addr(00) reg_data(2C)
I2C: tlv320aic_write_reg reg_addr(01) reg_data(04)  /* Adaptive Filtering enabled for DAC */
I2C: tlv320aic_page_select page id(1)
I2C: tlv320aic_write_reg reg_addr(00) reg_data(01)
I2C: tlv320aic_write_reg reg_addr(0E) reg_data(08)
I2C: tlv320aic_write_reg reg_addr(0F) reg_data(08)
I2C: tlv320aic_write_reg reg_addr(12) reg_data(3A)  /* LOL driver gain */
I2C: tlv320aic_write_reg reg_addr(13) reg_data(3A)
I2C: tlv320aic_write_reg reg_addr(09) reg_data(0C)  /* Power up LOL/LOR drivers */
I2C: tlv320aic_page_select page id(0)
I2C: tlv320aic_write_reg reg_addr(00) reg_data(00)
I2C: tlv320aic_write_reg reg_addr(3F) reg_data(D4)
I2C: tlv320aic_write_reg reg_addr(40) reg_data(0C)
I2C: tlv320aic_page_select page id(0)
I2C: tlv320aic_write_reg reg_addr(00) reg_data(00)
I2C: tlv320aic_write_reg reg_addr(41) reg_data(82)  /* Digital Volume Control */
I2C: tlv320aic_write_reg reg_addr(42) reg_data(82)
I2C: tlv320aic_page_select page id(0)
I2C: tlv320aic_write_reg reg_addr(00) reg_data(00)
I2C: tlv320aic_write_reg reg_addr(40) reg_data(00)
I2C: tlv320aic_write_reg reg_addr(41) reg_data(E4)
I2C: tlv320aic_write_reg reg_addr(42) reg_data(E4)