September 14, 2005 Digitally Controlled Potentiometer (XDCPв„ў)
FEATURES DESCRIPTION The Intersil X9318 is a digitally controlled potentiometer
(XDCP). The device consists of a resistor array, wiper
switches, a control section, and nonvolatile memory.
The wiper position is controlled by a 3-wire interface. Solid-state potentiometer
3-wire serial interface
Terminal voltage, 0 to +8V
100 wiper tap points
вЂ”Wiper position stored in nonvolatile memory
and recalled on power-up
99 resistive elements
вЂ”End to end resistance range В± 20%
Low power CMOS
вЂ”VCC = 5V
вЂ”Active current, 3mA max.
вЂ”Standby current, 1mA max.
вЂ”Endurance, 100,000 data changes per bit
вЂ”Register data retention, 100 years …