工具/软件:
数据表指出输入的最大电压为 5.5V、最大 IQ 为 20uA。
IC 是否具有保护二极管? 允许的最大输入电流是多少?
利用该信息、可以使用串联电阻器。
`ll、则需要一个 TVS。
THX
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