Overview of X9269 Dual Digitally-Controlled Potentiometers
The X9269 integrates two separate digitally-controlled potentiometers (XDCPTM) on a single monolithic CMOS integrated circuit. These devices are designed for applications such as control, parameter adjustments, and signal processing, where precise electronic tuning is essential. The dual potentiometers feature 256 resistor taps with a resolution of 0.4%, controlled via a 2-Wire bus interface, allowing for write, read, and transfer operations.
Key Features
The following are the key features of the X9269 potentiometers:
- Two independent potentiometers per device
- 256 resistive elements per potentiometer
- 2-Wire Serial Interface for easy communication
- Single supply operation from 2.7V to 5.5V
- Wiper resistance of 100Ω (typical)
- Four nonvolatile Data Registers for each potentiometer
- Nonvolatile storage of multiple wiper positions
- Power-on Recall feature to load saved wiper positions on startup
- Low standby current of <5uA Max
- Available in 50kΩ and 100kΩ versions with 100-year data retention
- Endurance of 100,000 data changes per bit per register
- 24-Lead SOIC and TSSOP packaging options
- Pb-Free and RoHS compliant versions available
Ordering Information & Safety Caution
The X9269 can be ordered in various configurations differentiated by supply voltage limits, temperature range, package type, and whether the parts are Pb-Free. The datasheet lists specific part numbers and package drawings for each configuration. Users are reminded to follow proper IC Handling Procedures as the devices are sensitive to electrostatic discharge.
References:
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