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ADS5409: Question about Absolute Maximum Ratings

Part Number: ADS5409

Hi Team,

I have a question that I'd like to get your help on regarding the ADS5409.

My customer is wondering if applying a differential signal less than 3.3V to the input pins before its supply voltage rails come up has the potential to damage the device. 

I noticed the datasheet defines the max voltage at INA/B_P and INA/B_N to be AVDD33 + 0.5V and a min of -0.5V. This leads me to believe the max differential voltage that can be applied while AVDD33 = 0V would have to be less than or equal to 1V.

Can you please confirm that this is correct?

Thanks,
Mitchell