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creepage and clearance for AD629 high common mode signals

Question asked by johnuk on May 7, 2012
Latest reply on Oct 30, 2012 by prb


Could anyone offer me some advice regarding creepage and clearance distances when using high common mode input signals.

I am using an AD629 which allows upto +-270v common mode voltage range.


From initial checks on the net the suggested distance between pcb tracks is >1.5mm, but the gap between the AD629 input pins and adjacent suppy/reference pins is less than 1mm.


Am I missing something here?