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怎么计算单纯由运放的CMRR引起的共模电压输出?假设电阻为绝对无差别电阻。

Other Parts Discussed in Thread: OPA192

各位大神,

假设R1~R4都是理想5K的电阻,运放的CMRR为130dB,那么由此运放CMRR带来的共模输出电压怎么算呢?原理图如下: