AD5231
Description
The AD5231 is a nonvolatile memory1, digitally controlled potentiometer2 with 1024-step resolution. The device performs the same electronic adjustment function as a mechanical potentiometer with enhanced resolution, solid state reliability, and remote controllability.
Key Features
- 1024-position resolution
- Nonvolatile memory maintains wiper setting
- Power-on refresh with EEMEM setting
- EEMEM restore time: 140 µs typ
- Full monotonic operation
- 10 kΩ, 50 kΩ, and 100 kΩ terminal resistance
- Permanent memory write protection
- Wiper setting readback
- Predefined linear increment/decrement instructions
- Predefined ±6 dB/step log taper increment/decrement instruc- tions
