我使用LMV331做一个电压比较器,当电压低于一定电压时,比较器输出高电平,并保持。当单片机检测到后,由单片机I/O输出低电平解除锁定 , 但是有时候LMV331工作电流会为5到10MA,正常时候低于1MA。以下是原理图,麻烦帮忙看下一下是哪里导致的。。需要怎么改进,谢谢
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