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大家好，想知道正在使用的运放的输入输出阻抗，应该从哪里查找？
数据手册上一般会标出输入阻抗，很少一部分也会标出输出阻抗
举个例子，就那OPA847和VCA824来说，我就没有查到。
OPA847手册上有的，请看下图，数据手册page3
同样，VCA824的page3也有相关描述啊
Input ImpedanceDifferential 1 || 1 MΩ || pF Common-Mode 1 || 2 MΩ || pF
