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AD5422, more than 14V output at VOUT and seems breakdown

Question asked by usaghi on Nov 19, 2013
Latest reply on Nov 19, 2013 by tjohnson

Hi,

 

We have found 4pcs failure in 100 mass production boards after assembling, which shows over 14V output at VOUT,  under the mode of +/-10V output with overrange. We just applied probe of Digital Multi Meter at VOUT and observe it. Changing the AD5422, and the board had remedied to show normal voltage.

I would like to ask you to check schematic but prefer to do it in closed loop. Could you please let us know where should I send ?

 

Best Regards,

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