Overview
The AD5292BRUZ-100-RL7 is a single-channel, 256-/1024-position digital potentiometer produced by Analog Devices Inc. This device combines industry-leading variable resistor performance with nonvolatile memory (NVM) in a compact 14-lead TSSOP package. It is designed to operate across a wide voltage range, supporting both single-supply and dual-supply operations, and features a maximum ±1% nominal resistor tolerance error, making it suitable for precision calibration and tolerance matching applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Resistance | 20 kΩ, 50 kΩ, 100 kΩ | |
| Resolution | 256-/1024-position | |
| Resistor Tolerance Error | Maximum ±1% | |
| Temperature Coefficient (Rheostat Mode) | 35 ppm/°C | |
| Temperature Coefficient (Voltage Divider Mode) | 5 ppm/°C | |
| Supply Voltage Range | +9 V to +33 V (single-supply), ±9 V to ±16.5 V (dual-supply) | |
| Operating Temperature Range | −40°C to +105°C | |
| Interface | SPI-compatible serial interface | |
| Memory | 20-times programmable (20-TP) wiper memory |
Key Features
- Single-channel, 256-/1024-position resolution
- 20 kΩ, 50 kΩ, and 100 kΩ nominal resistance options
- Maximum ±1% nominal resistor tolerance error
- 20-times programmable wiper memory
- SPI-compatible serial interface for wiper setting control and readback
- Power-on refresh from 20-TP memory
- Compact 14-lead TSSOP package
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 replacement
- Sensor calibration
Q & A
- What is the resolution of the AD5292BRUZ-100-RL7 digital potentiometer?
The AD5292BRUZ-100-RL7 has a resolution of 256-/1024-position. - What are the nominal resistance values available for this device?
The device is available with nominal resistances of 20 kΩ, 50 kΩ, and 100 kΩ. - What is the maximum resistor tolerance error for this device?
The maximum nominal resistor tolerance error is ±1%. - What is the temperature coefficient for the rheostat mode?
The temperature coefficient for the rheostat mode is 35 ppm/°C. - What is the temperature coefficient for the voltage divider mode?
The temperature coefficient for the voltage divider mode is 5 ppm/°C. - What is the operating temperature range of the AD5292BRUZ-100-RL7?
The device operates over a temperature range of −40°C to +105°C. - What type of interface does the AD5292BRUZ-100-RL7 use for wiper setting control?
The device uses an SPI-compatible serial interface. - How many times can the wiper memory be programmed?
The wiper memory can be programmed 20 times (20-TP). - What is the package type of the AD5292BRUZ-100-RL7?
The device is packaged in a 14-lead TSSOP. - What are some common applications of the AD5292BRUZ-100-RL7?
Common applications include mechanical potentiometer replacement, instrumentation, programmable voltage-to-current conversion, and sensor calibration.
