Overview
The AD5293BRUZ-100-RL7, produced by Analog Devices Inc., is a single-channel, 1024-position digital potentiometer. This device is designed to replace mechanical potentiometers, offering enhanced resolution, solid-state reliability, and superior low temperature coefficient performance. It features a calibrated 1% nominal resistor tolerance, ensuring high precision in various applications. The AD5293 operates in both single-supply (9 V to 33 V) and dual-supply (±9 V to ±16.5 V) modes and includes an SPI-compatible serial interface for easy control and wiper setting readback.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Positions | 1024 | - |
| Nominal Resistance | 100 kΩ | kΩ |
| Resistor Tolerance | 1% | - |
| Temperature Coefficient (Rheostat Mode) | 35 ppm/°C | ppm/°C |
| Temperature Coefficient (Voltage Divider Mode) | 5 ppm/°C | ppm/°C |
| Single-Supply Voltage Range | 9 V to 33 V | V |
| Dual-Supply Voltage Range | ±9 V to ±16.5 V | V |
| Digital Interface | SPI-compatible | - |
| Package Type | 14-Lead TSSOP | - |
| Operating Temperature Range | -40°C to +105°C | °C |
Key Features
- High-resolution digital potentiometer with 1024 positions.
- Calibrated 1% nominal resistor tolerance for precision applications.
- Low temperature coefficient of 5 ppm/°C in voltage divider mode and 35 ppm/°C in rheostat mode.
- Single-supply operation from 9 V to 33 V and dual-supply operation from ±9 V to ±16.5 V.
- SPI-compatible serial interface for easy control and wiper setting readback.
- Compact 14-lead TSSOP package.
- Operates over an extended industrial temperature range of -40°C to +105°C.
Applications
- Mechanical potentiometer replacement.
- Instrumentation: gain and offset adjustment.
- Programmable voltage-to-current conversion.
- Programmable filters, delays, and time constants.
- Programmable power supply.
- Low resolution DAC replacements.
- Sensor calibration.
Q & A
- What is the nominal resistance of the AD5293BRUZ-100-RL7?
The nominal resistance of the AD5293BRUZ-100-RL7 is 100 kΩ.
- What is the temperature coefficient of the AD5293 in rheostat mode?
The temperature coefficient in rheostat mode is 35 ppm/°C.
- What is the operating temperature range of the AD5293?
The operating temperature range is -40°C to +105°C.
- What type of digital interface does the AD5293 use?
The AD5293 uses an SPI-compatible serial interface.
- What are some common applications of the AD5293?
Common applications include mechanical potentiometer replacement, instrumentation for gain and offset adjustment, programmable voltage-to-current conversion, and sensor calibration.
- What is the package type of the AD5293BRUZ-100-RL7?
The package type is a 14-lead TSSOP.
- What is the resistor tolerance of the AD5293?
The resistor tolerance is calibrated to 1%.
- Can the AD5293 operate in both single-supply and dual-supply modes?
Yes, the AD5293 can operate in both single-supply (9 V to 33 V) and dual-supply (±9 V to ±16.5 V) modes.
- What is the wiper memory type of the AD5293?
The wiper memory is volatile.
- How many positions does the AD5293 digital potentiometer have?
The AD5293 has 1024 positions.
