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各位老师，好！
在使用如下电路时，输入悬空，输出会出现+12V或-12V的情况，请问会是什么原因？
高输入阻抗的运放, 输入端不要开路, 外界干扰和电磁噪声足以在引脚感应出输入电压
非常感谢您的回答，我把输入端加上输入信号就好了！
