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ADS8556输入驱动芯片替换方案咨询

Other Parts Discussed in Thread: OPA2188, ADS8556

ADS8556手册中使用OPA2211作为输入驱动,成本太高,能否使用OPA2188进行替换?如果不使用运放,能否使用电阻进行阻抗匹配?该使用多大的电阻?

谢谢!