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If I use the digital potentiometer in a “dry” circuit (current through wiper < 1 pA), will it behave as a linear resistor in rheostat mode?

April 26, 2017circuit digital dry linear PA potentiometer wiper

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If I use the digital potentiometer in a “dry” circuit (current through wiper < 1 pA), will it behave as a linear resistor in rheostat mode?

1 Answer

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It is linear. RWB is made up by RS + RSW where RS and RSW are step resistors and a switch resistor respectively.