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lmv 393 使用问题，目前产品误输出的问题，给芯片加热，比较器输出正常，请帮忙看下。
另外如果对芯片进行加温反向输入端电平会有所提升，输出才反转。等恢复常温后，芯片还是有误输出的问题，以下是测试波形和原理图，请高手指点下。
