VCC接标准的3.3V,IN+接待检测的电压信号,IN-接3.3V(也就是跟VCC短接了),当Vin+大于Vin-的时候OUT的输出电压为2.12V,当Vin+小于于Vin-的时候OUT的输出电压为0.66V。 这样正常吗?
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不建议直接将运放用作比较器,这里面会有很多潜在的问题。
如果是通用比较器你可以看看LM339,LM2901。