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如下,输入0V时,输出为什么会有1.37mv ?
您好, LMH6552输入失调电压VOSCM典型值是1.5mV(±5V供电时),这应该是输入失调电压造成的
输入失调电压的存在是因为工艺问题使得运放同向和反向参数不完全对称造成的
消除这个误差的话,需要自己设计外部电路抵消掉这个失调电压