Analog_Fan
Well-known member
https://www.analog.com/media/en/technical-documentation/data-sheets/ADG441_442_444.pdf
i have to ask, but is the ADG442 normally open?
the image on page 1 seams to indicate normality closed.
Text on page 1:
The ADG442 switches are turned on with logic high on the
appropriate control input.
the truth table on page 5 also indicates normally open.