X9279 Description
The digital controlled potentiometer is implemented using 255 resistive elements in a series array. Between each element are tap points connected to the wiper terminal through switches. The position of the wiper on the array is controlled by the user through the 2-Wire bus interface.
X9279 Key Features
- 256 Resistor Taps
- 2-Wire Serial Interface for Write, Read, and Transfer
- Wiper Resistance, 100 Typical @ 5V
- 16 Non-volatile Data Registers for Each Potentiometer
- Non-volatile Storage of Multiple Wiper Positions
- Power-on Recall. Loads Saved Wiper Position on
- Standby Current < 5µA Max
- VCC: 2.7V to 5.5V Operation
- 50k, 100k Versions of End-to-End Resistance
- Endurance: 100,000 Data Changes per Bit per Register