我用MSP432做16位温度测量,请推荐一款PT100前端调理电路芯片(不包含AD采集)
自己用分立元件搭电路,精密电阻太贵呀
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我用MSP432做16位温度测量,请推荐一款PT100前端调理电路芯片(不包含AD采集)
自己用分立元件搭电路,精密电阻太贵呀
您好,
请参考以下设计:
3 线制 PT100 RTD 转 2 线制 4-20mA 电流回路发送器参考设计:https://www.ti.com.cn/tool/cn/TIPD161
用INA188搭建的H桥电路:https://www.ti.com/lit/ug/tiduba5/tiduba5.pdf?ts=1624235759114