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请教下关于音频ADC,输入级使用一片运放串扰的问题

Other Parts Discussed in Thread: PCM1804, OPA1679, OPA1678

Hi,各位

讨论下,计划使用音频ADC  PCM1804采集多路信号,每路信号需要两个运放;

那么假设当前采集两路,则一共需要四个运放,问题是使用一块四运放芯片,对比使用两块双运放芯片,

是否会增加串扰率?计划使用opa1679这个四运放,看了下手册,信道隔离度也达到了120dB;