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ADuM unused inputs

Question asked by rmorris on Sep 9, 2013
Latest reply on Jun 5, 2014 by DaveC

Very simple question but I can't seem to find an explicit answer in the data or literature. So, is it necessary to define a logic state for unused / disconnected ADuM inputs. Or do they have internal pull up/down mechanisms ? Specifically I am looking at ADuM1400 but I guess it applies generally. Thanks in advance for your input.