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ADS1248如何实现4线制RTD测量，由大神提供下参考电路吗？还有能实现4组RTD测量吗？
看一下这个文档
RTD Ratiometric Measurements and Filtering Using the ADS1148 and ADS1248 Family of Devices
SBAA201–March 2013
里面figure 1 是介绍如何用1248实现4线的RTD的
连接如下
http://www.ti.com.cn/cn/lit/an/sbaa201/sbaa201.pdf
手册参考应用的图 85 只是给出了三线的应用电路
请问有STM32+ADS1248的原理图参考么？
没有STM32的
