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AD7793 broken issue

Question asked by Verti on Nov 21, 2017
Latest reply on Nov 22, 2017 by JellenieR

Dear Specialists,

        We are using AD7793 to design PH meter +RTD detection, we refer to CN0326, and below is the schematic.

During continually power on/down test for days, AD7793 is broken. We change it and do the test again, the issue still happen after two weeks.

        Now we are checking the whole design, can you kindly help to point out whether there are problems with my ADC parts, sorry for trouble you.

 

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