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请教双通道共电源的OP2365 Vin+,Vin-接到地上去 运放还是饱和了?

Other Parts Discussed in Thread: OPA2365, OPA365

在采样电阻没有通过电流的情况下IC 是1.65V 而IB 一直都是3.3V 而且 将56脚悬空或者接地都IB一直都是3.3V  请问 第二个运放为什么一直处于饱和状态?