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 = 10kΩ

• 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