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)