Digitally Controlled Potentiometer (XDCP™)

The Intersil X9319 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.

Features
• Solid-state potentiometer
• 3-wire serial interface
• Terminal voltage, 0 to +10V
• 100 wiper tap points
    - Wiper position stored in nonvolatile memory and recalled on power-up
• 99 resistive elements
    - Temperature compensated
    - End-to-end resistance range ±20%
• Low power CMOS
    - VCC = 5V
    - Active current, 3mA max.
    - Standby current, 1mA max.
• High reliability
    - Endurance, 100,000 data changes per bit
    - Register data retention, 100 years
• RTOTAL value = 10kΩ
• Package
    - 8 Ld SOIC
• Pb-free (RoHS compliant)

Applications
• LCD bias control
• DC bias adjustment
• Gain and offset trim
• Laser diode bias control
• Voltage regulator output control