The ADN2860 is a three-channel digital potentiometer with nonvolatile memory from Analog Devices. It can be used in laser diode drivers, optical amplifiers, TIA gain setting, TEC controller temperature set points and other applications.
The ADN2860 is a 3-channel digitally controlled variable resistor featuring dual 512-position and single 128-position channels. It offers selectable full-scale resistance of 25kΩ or 250kΩ with low temperature coefficients and includes nonvolatile memory to retain wiper settings.
| Channels | Dual 512-Position, Single 128-Position |
|---|---|
| Full-Scale Resistance | 25kΩ or 250kΩ |
| Temperature Coefficient | 35ppm/°C |
| Memory Type | Nonvolatile Memory |
| Interface | I2C Compatible Serial Interface |
| Supply Voltage (Single) | 3V to 5.5V |
| Package | 4x4mm LFCSP-24 |
The device operates over an extended industrial temperature range of -40°C to +85°C.
It provides three channels: two with 512 positions and one with 128 positions.
The device offers a typical data retention of 100 years at TA=55°C.