在TI-TINA中仿真INA128,发现在双电源下供电,可以正常放大小信号,但是单电源就无法正常放大。
如图仿真所示,供电是5V,Ref是2.5V(或GND)。输入小信号10mv,输出小信号很小,跟计算结果差距较大。
不知为啥,向各位请教,?
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