0.3-8V; 1/2/4-channel digital potentiometers. For mechanical potentiometer replacement, programmable filters, delays, time constants, volume control, panning, line impendance matching, power supply adjustment The AD8402ARU50 is a digital potentiometer manufactured by Analog Devices (AD). Here are the factual specifications:

- **Type**: Digital Potentiometer
- **Number of Channels**: 2
- **Resistance**: 50 kΩ
- **Interface**: SPI
- **Resolution**: 8-bit
- **Temperature Range**: -40°C to +125°C
- **Supply Voltage**: 2.7V to 5.5V
- **Package**: 14-TSSOP
- **Non-Volatile Memory**: No
- **Taper**: Linear
- **End-to-End Resistance Tolerance**: ±20%
- **Wiper Resistance**: 75Ω (typical)
- **Power-On Midscale**: Yes
- **Operating Temperature**: -40°C to +125°C
- **Features**: Low power consumption, single-supply operation, and high reliability.

These specifications are based on the AD8402ARU50 datasheet provided by Analog Devices.