X9251 Description
DATASHEET X9251 Single Supply/Low Power/256-Tap/SPI Bus, Quad Digitally-Controlled (XDCP™) Potentiometer FN8166 Rev 7.00 January 14, 2021 The X9251 integrates four digitally controlled potentiometers (XDCP) on a monolithic CMOS integrated circuit. The digitally controlled potentiometers are implemented with a bination of resistor elements and CMOS switches. The position of the wipers are controlled by the user...
X9251 Key Features
- Four potentiometers in one package
- 256 resistor taps-0.4% resolution
- Wiper resistance: 100Ω typical at VCC = 5V
- 4 Nonvolatile data registers for each potentiometer
- Nonvolatile storage of multiple wiper positions
- Standby current <5µA max
- VCC: 2.7V to 5.5V operation
- 50kΩ version of total resistance
- 100 year data retention
- Single supply version of X9250