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ADA4940 protection when unpowered

Question asked by ArthurGreen on Sep 28, 2012
Latest reply on Sep 28, 2012 by charlyelkhoury

I'd like to use the ADA4940 as an ADC driver. The input to the ADA4940 is from another circuit that can be powered while the ADA4940 is unpowered.  The input to the ADA4940 will be from a single-ended source at +/- 2.5V maximum.  I'd like to know what measures need to be taken to ensure no damage is done to the ADA4940 in this situation. I don't see any mention of it in the datasheet, so I thought I would ask here. Thanks