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https://e2e.ti.com/support/clock-timing-group/clock-and-timing/f/clock-timing-forum/1044411/lmh1980-power-tolerance
您好！
电源电压容差如下所示：
从绝对最大额定值可以看出、Vin 上的信号不允许大于 VCC+0.3V。
如果 VCC 为0V、则最大输入信号必须小于0.3V、以避免对 IC 造成潜在损坏。
此致、
Julian
