The AD8402A-C from Analog Devices Inc. is a dual-channel, 8-bit resolution, digitally controlled variable resistor device. This digital potentiometer offers a compact and precise solution for adjusting and controlling voltages in a circuit, making it an ideal choice for applications requiring fine-tuning of resistance settings through digital interfaces.
Key Features
- Resolution: The AD8402A-C provides an 8-bit resolution, allowing for fine adjustments with 256 discrete steps for each channel.
- Dual Channel: With two independent channels, users can control and adjust two separate signal paths or use them in a differential manner for more complex applications.
- Interface: It features a user-friendly SPI (Serial Peripheral Interface), enabling easy communication with microcontrollers and other digital systems.
- Wide Operating Voltage: The device operates across a wide range of voltages, from 2.7V to 5.5V, providing versatility for different power supply requirements.
- Compact Package: The AD8402A-C comes in a small form factor, making it suitable for space-constrained applications.
- Reliability: Analog Devices Inc. is known for its high-quality components, ensuring that the AD8402A-C offers reliable performance for critical applications.
Applications
The AD8402A-C is used in various applications where precise resistance tuning is necessary. Some common use cases include:
- Audio equipment for volume and tone control
- Calibration and trimming systems within industrial equipment
- Automated product testing
- Programmable power supplies and filters
Technical Specifications
| Parameter |
Value |
| Channels |
2 |
| Resolution |
8-bit |
| Interface |
SPI |
| Supply Voltage |
2.7V to 5.5V |
| Package |
SOP, TSSOP, or other compact packages |
For detailed technical specifications and application support, it is recommended to consult the Analog Devices Inc. website or the AD8402A-C datasheet.