加入我在输入端输入负的电压,REF是1.5V,那么输出是1.5V还是比1.5V小的电压?
比如INA333的电路。
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Vout=Vref+G*[(Vin+)-(Vin-)]
这个是输出Vout公式,可以看出是和Vref,G,以及输入端的差有关系的。