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