AD5251
AD5251 is Dual 64-/256-Position I2C Nonvolatile Memory Digital Potentiometers manufactured by Analog Devices.
Data Sheet AD5251/AD5252
Dual 64-/256-Position I2C Nonvolatile Memory Digital Potentiometers
Features
- AD5251: Dual 64-position resolution
- AD5252: Dual 256-position resolution
- AD5251: 50 kΩ
- AD5252: 1 kΩ, 10 kΩ, 50 kΩ, 100 kΩ
- Nonvolatile memory stores wiper setting w/write protection
- Power-on refreshed with EEMEM settings in 300 µs typ
- EEMEM rewrite time = 540 µs typ
- Resistance tolerance stored in nonvolatile memory
- 12 extra bytes in EEMEM for user-defined information
- I2C patible serial interface
- Direct read/write access of RDAC and EEMEM registers
- Predefined linear increment/decrement mands
- Predefined ±6 dB step change mands
- Synchronous or asynchronous...
