The Intersil X9C303 is a digitally controlled potentiometer. It uses a three-wire interface to control the wiper position, and can be used in a wide variety of applications ranging from control, to signal processing, to parameter adjustment.
This datasheet describes the Intersil X9C303 digitally controlled potentiometer (XDCP). It details the device architecture, three‑wire serial interface, 99 resistive elements, and the ability to store the wiper position in non‑volatile memory.
The document includes ordering information, pinout diagrams, absolute maximum ratings, recommended operating conditions, analog and DC electrical specifications, EEPROM endurance, timing diagrams, and package dimensions for PDIP, SOIC, and TSSOP options.
| Terminal Voltage | +5V |
|---|---|
| Number of Taps | 100 |
| Active Current | 3 mA max |
| Standby Current | 750 µA max |
| Commercial Temperature Range | 0 °C to +70 °C |
| Industrial Temperature Range | -40 °C to +85 °C |
| EEPROM Retention | 100 years at +55 °C |
The device is controlled via a three‑wire serial interface (CS, U/D, INC).
The resistor array contains 99 resistive elements.
The X9C303 is offered in 8‑lead PDIP, SOIC, and TSSOP packages.
The standby current is specified as 750 µA max.