X9251 Overview
Key Features
- Four potentiometers in one package
- 256 resistor taps–0.4% resolution
- SPI serial interface for write, read, and transfer operations of the potentiometer
- 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