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ADM3251E doesn't work

Question asked by Robert-VT on Jun 18, 2012
Latest reply on Jun 20, 2012 by Robert-VT

Hello there,

 

I wonder if someone is able to implement ADM3251E successfully. I am using single isolated RS 232 channel, but each time I connect the RS232 cable to my computer.  The signal on the logic side can be changed a few hundred millivolts,  a few hundred millivolts are too much for my application.  It can changed my logic from True to False.  The datasheet said the chip is fully isolated with 2.5kV, I wonder it should be nothing changed on the logic side as I connected the RS232 cable.  Thank you so much.

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