X9258 Description
DATASHEET X9258 Low Noise/Low Power/2-Wire Bus/256 Taps Quad Digital Controlled Potentiometers (XDCP™) FN8168 Rev 6.00 December 15, 2011 The X9258 integrates 4 digitally controlled potentiometers (XDCP™) on a monolithic CMOS integrated circuit. The digitally controlled potentiometer is implemented using 255 resistive elements in a series array. Between each element are tap points connected to the wiper terminal...
X9258 Key Features
- Four potentiometers in one package
- 256 resistor taps/potentiometer
- 0.4% resolution
- 2-wire serial interface
- Wiper resistance, 40Ωtypical @ V+ = 5V, V- = -5V
- Four nonvolatile data registers for each potentiometer
- Nonvolatile storage of wiper position
- Standby current <5µA max (total package)
- Power supplies
- VCC = 2.7V to 5.5V