Why is the ADuM3190/4190 supply voltage range different than the operating voltage range?

Document created by analog-archivist Employee on Feb 23, 2016
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Why is the ADuM3190/4190 supply voltage range different than the operating
voltage range?

 

The supply voltage range is a wide 3V to 20V through the use of an internal
voltage regulator that inputs voltages up to 20V and has a 3V regulated
output.  There are 3V regulators on each side of the ADuM3190/4190 which supply
the precision circuits of the isolated error amplifier. 

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