Overview
The AD5293BRUZ-50, produced by Analog Devices Inc., is a single-channel, 1024-position digital potentiometer. This device offers high resolution and precision, making it an ideal replacement for mechanical potentiometers. It features a calibrated 1% nominal resistor tolerance, ensuring low tolerance errors and superior temperature coefficient performance. The AD5293 operates in both single-supply and dual-supply modes, supporting a wide range of voltage requirements. It is packaged in a compact 14-lead TSSOP and is guaranteed to operate over the extended industrial temperature range of −40°C to +105°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 1 | |
| Number of Positions | 1024 | |
| Nominal Resistor Values | 20 kΩ, 50 kΩ, 100 kΩ | kΩ |
| Resistor Tolerance (max) | 1% | % |
| Temperature Coefficient (typ) | 35 ppm/°C | ppm/°C |
| Operating Temperature Range | −40°C to +105°C | °C |
| Single-Supply Power Range | 9 V to 33 V | V |
| Dual-Supply Power Range | ±9 V to ±16.5 V | V |
| Interface | SPI-compatible serial interface | |
| Package | 14-lead TSSOP |
Key Features
- High Resolution: 1024-position resolution for precise adjustments.
- Precision Tolerance: Calibrated 1% nominal resistor tolerance for accurate performance.
- Low Temperature Coefficient: 35 ppm/°C in rheostat mode and 5 ppm/°C in voltage divider mode.
- Flexible Power Supply: Supports both single-supply (9 V to 33 V) and dual-supply (±9 V to ±16.5 V) operations.
- SPI-Compatible Interface: Allows for easy communication and control via a serial interface.
- Compact Packaging: Available in a 14-lead TSSOP package.
- Extended Temperature Range: Guaranteed to operate over −40°C to +105°C.
Applications
- Precision Calibration and Tolerance Matching: The low resistor tolerance feature simplifies open-loop applications and precision calibration tasks.
- Audio and Signal Processing: Suitable for applications requiring high precision and low noise, such as audio equipment and signal processing circuits.
- Industrial Control Systems: Used in industrial control systems where precise adjustments and reliability are crucial.
- Medical Devices: Applicable in medical devices that require high accuracy and stability.
- Automotive Systems: Can be used in automotive systems for various control and adjustment functions.
Q & A
- What is the resolution of the AD5293BRUZ-50?
The AD5293BRUZ-50 has a resolution of 1024 positions.
- What are the nominal resistor values available for the AD5293BRUZ-50?
The nominal resistor values are 20 kΩ, 50 kΩ, and 100 kΩ.
- What is the temperature coefficient of the AD5293BRUZ-50?
The temperature coefficient is 35 ppm/°C in rheostat mode and 5 ppm/°C in voltage divider mode.
- What is the operating temperature range of the AD5293BRUZ-50?
The operating temperature range is −40°C to +105°C.
- What types of power supply does the AD5293BRUZ-50 support?
The device supports both single-supply (9 V to 33 V) and dual-supply (±9 V to ±16.5 V) operations.
- What interface does the AD5293BRUZ-50 use for communication?
The device uses an SPI-compatible serial interface.
- In what package is the AD5293BRUZ-50 available?
The device is available in a 14-lead TSSOP package.
- Is the AD5293BRUZ-50 RoHS compliant?
- What are some typical applications of the AD5293BRUZ-50?
Typical applications include precision calibration, audio and signal processing, industrial control systems, medical devices, and automotive systems.
- How does the AD5293BRUZ-50 compare to mechanical potentiometers?
The AD5293BRUZ-50 offers enhanced resolution, solid-state reliability, and superior low temperature coefficient performance compared to mechanical potentiometers.
