85问答库 > 放大器电路设计的方案，帮忙看下有什么问题

放大器电路设计的方案，帮忙看下有什么问题

2025-03-28 09:40:34
推荐回答（1个）
回答1：

AD623的失调电压是100~200μV（最大值），折合到满量程信号3mV为3.3~6.7%，有没有问题就看你对精度的要求了。共模电压不是问题。
INA321的精度略逊于AD623，失调电压最大值为500μV~1mV。

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