Hi :
你好!
TMUX4052这个开关导通电阻偏大,能不能用于切换RS232信号,如果不能,帮忙再帮忙推荐一个型号,需要切换两路232信号即可,谢谢!
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感谢您对TI产品的关注!
关于你的咨询,RS232切换需要spdt开关,RS232电压范围±12V,RS422电压范围±7V
您可以看TMUX6119这款SPDT,比较宽的供电电压范围,双电源供电的话为 ±5 V ~ ±16.5 V .
www.ti.com/.../tmux6119.pdf