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amc1300 输入电压问题

Other Parts Discussed in Thread: AMC1300, AMC1301

amc1300  要放大的是1—25mv直流电压

但是由于输入端与22v交流电压是共地的  

因此会产生150mv左右的交流电压

请问 这个交流电压会对amc1301造成影响吗