
Intersil
DESCRIPTION
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 and 50kΩ
• 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