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.

FEATURES
• Solid-state potentiometer
• 3-wire serial interface
• Terminal voltage, 0 to +8V
• 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 = 10k
• Packages
    —8 Ld SOIC and DIP
• Pb-free plus anneal available (RoHS compliant)

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