LM393在正负输入差模电压小于一定程度时，输出呈线性。举例说明，+端输入2V，-端输入1.9V，按常理输出在外部有上拉5V的情况下，输出为5V，但是实际测量其实只有3V多，感觉内部的MOS管并没有饱和，导致输出呈线性。
我想了解下，lm393手册上哪个参数是表示正负输入压差大于多少值LM393可以正常工作，谢谢
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