TL082I使用±5V供电,这是规格书上的最低供电电压。接成电压跟随器,按照手册,-3.5V到3.5V的输入电压应该可以工作。实测输入3V工作正常,跟随器输出电压和输入误差在10mV以内。但是输入-3V的时候跟随器输出电压误差超过140mV,请问是什么原因?
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