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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, 80/400?A max.

- Standby current, 5?A 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)