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DESCRIPTION

The Xicor 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 = 10K? and 50K?

? Packages

—8-lead SOIC and DIP

APPLICATIONS

? LCD bias control

? DC bias adjustment

? Gain and offset trim

? Laser diode bias control

? Voltage regulator output control