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INA168检测电流输出不正常

Other Parts Discussed in Thread: INA168

用INA168做电流检测,芯片3.3V供电,Rs=0.01Ω,RL=100K,用示波器看Rs两端电压会随电流增加而增加,用万用表测RL两端电压却始终不能达到Rs两端电压的20倍。用示波器看RL两端电压是50Hz的方波,在Rs两端电压有变化时,之前的波形变化不大,但是在方波后面会有一段不明显的变化,有什么办法可以让输出电压稳定吗,而不是有50Hz波形这样