X9279
X9279 is Digitally Potentiometer manufactured by Intersil.
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Single Supply/Low Power/256-Tap/2-Wire Bus
September 23, 2009
FN8175.4
Single Digitally-Controlled (XDCP™) Potentiometer
The X9279 integrates a single digitally controlled potentiometer (XDCP) on a monolithic CMOS integrated circuit.
The digital controlled potentiometer is implemented using 255 resistive elements in a series array. Between each element are tap points connected to the wiper terminal through switches. The position of the wiper on the array is controlled by the user through the 2-Wire bus interface. The potentiometer has associated with it a volatile Wiper Counter Register (WCR) and a four...
