ABB输出控制器模块ao801

ABB输出控制器模块ao801运放的差分输出结构因具有的抗干扰性而广泛存在，但是后级MCU的ADC一般为单端输入，所以常规做法是在靠近MCU内置ADC输入的位置，加上一个单端转差分的运放。那么经常会产生疑问，能不能不额外加这个运放，直接将隔离运放的差分输出的一个脚接地，另一个脚接入MCU的内置ADC呢？如果这样做，会带来什么问题呢？

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