Photo coupler data transmission circuit

Published:2011/4/24 8:49:00 Author:Nicole | Keyword: photo coupler, data transmission | From:SeekIC

MCD2 photoelectric isolator can receive TTL input singal. Transmitter 322 comparator drives LED of MCD2, receiver 322 comparator is added bias circuit, then it can match with the photodiode output of photoelectric isolator. This circuit is inphase, the delay time is about 2μs. V+ can be 4.5~40V.



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