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关于RS232接口保护的问题

Other Parts Discussed in Thread: MAX3223E, MAX232

看MAX3223E手册里面  驱动器输出-13.2~+13.2V ,接收器输入电压范围-25V ~25V

而MAX232 Input voltage range ±30V  Output voltage range:-15V ~15V,

那么我在TVS 瞬态保护设计的时候,是不是要具体按照不同器件具体特性来进行设计,而不是全都按照±15V进行设计呢。MAX232的±30V 输入范围我用25V来保护应该OK吧。