电源正为9V 电源负为-5V, 作为比较器使用时,比如IN+ 为2.5V,那么IN-也为2.5V,如果想要输出高电平(9V),IN-需要比较大的电流才能拉到地(约数百uA),请问这是否正常,手册上也无这方面的描述。
是否跟输入级的二极管有关。
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