Digitally Controlled Potentiometer (XDCP™)

The Intersil X9315 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.

• Control
• Parameter Adjustments
• Signal Processing

FEATUREs
• Solid-state potentiometer
• 3-wire serial interface
• 32 wiper tap points
  - Wiper position stored in nonvolatile memory and recalled on power-up
• 31 resistive elements
  - Temperature compensated
  - End to end resistance range ± 20%
  - Terminal voltage, 0 to VCC
• Low power CMOS
  - VCC = 2.7V or 5V
  - Active current, 80/400µA max.
  - Standby current, 5µA max.
• High reliability
  - Endurance, 100,000 data changes per bit
  - Register data retention, 100 years
•RTOTALvalues = 10kΩ, 50kΩ, 100kΩ
• Packages
  - 8 Ld SOIC, MSOP and PDIP
• Pb-free available (RoHS compliant)