X9271 Description
DATASHEET X9271 Single Supply/Low Power/256-Tap/SPI Bus Single, Digitally Controlled (XDCP™) Potentiometer FN8174 Rev 5.00 October 15, 2015 The X9271 integrates a single, digitally controlled potentiometer (XDCP™) on a monolithic CMOS integrated circuit. The digitally controlled potentiometer is implemented by using 255 resistive elements in a series array. Between each element are tap points connected to the wiper...
X9271 Key Features
- 256 Resistor Taps
- SPI Serial Interface for Write, Read, and Transfer
- Wiper Resistance, 100Ω typical at VCC = 5V
- 16 Nonvolatile Data Registers
- Nonvolatile Storage of Multiple Wiper Positions
- Power-on Recall; Loads Saved Wiper Position on
- Standby Current <3µA Max
- VCC = 2.7V to 5.5V Operation
- 50kΩ End-to-End Resistance
- 100-yr Data Retention