Overview
The AD5292BRUZ-50-RL7 is a single-channel, 1024-position digital potentiometer manufactured 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 configurations, making it versatile for various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Resistance | 50 kΩ | kΩ |
| Resolution | 1024 positions | - |
| Resistor Tolerance Error | ±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 |
| Operating Temperature Range | −40°C to +105°C | °C |
| Interface | SPI-compatible serial interface | - |
| Memory | 20-times programmable (20-TP) memory | - |
Key Features
- Single-channel, 1024-position resolution
- Maximum ±1% nominal resistor tolerance error (resistor performance mode)
- 20-times programmable wiper memory
- Rheostat mode temperature coefficient: 35 ppm/°C, Voltage divider temperature coefficient: 5 ppm/°C
- Supports both single-supply (+9 V to +33 V) and dual-supply (±9 V to ±16.5 V) operation
- SPI-compatible serial interface for wiper setting control and readback
- Power-on refreshed from 20-TP memory
- No external voltage supply required for fuse blow; 20 opportunities for permanent programming
- 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-50-RL7?
The AD5292BRUZ-50-RL7 has a resolution of 1024 positions.
- What is the nominal resistance of the AD5292BRUZ-50-RL7?
The nominal resistance is 50 kΩ.
- What is the resistor tolerance error of the AD5292BRUZ-50-RL7?
The resistor tolerance error is ±1%.
- What are the temperature coefficients for rheostat and voltage divider modes?
The temperature coefficient for rheostat mode is 35 ppm/°C, and for voltage divider mode, it is 5 ppm/°C.
- What are the supported voltage ranges for the AD5292BRUZ-50-RL7?
The device supports single-supply operation from +9 V to +33 V and dual-supply operation from ±9 V to ±16.5 V.
- What type of interface does the AD5292BRUZ-50-RL7 use?
The device uses an SPI-compatible serial interface.
- Does the AD5292BRUZ-50-RL7 have nonvolatile memory?
Yes, it has 20-times programmable (20-TP) memory.
- What is the operating temperature range of the AD5292BRUZ-50-RL7?
The operating temperature range is −40°C to +105°C.
- What package type is the AD5292BRUZ-50-RL7 available in?
The device is available in a compact 14-lead TSSOP package.
- What are some common applications of the AD5292BRUZ-50-RL7?
Common applications include mechanical potentiometer replacement, instrumentation, programmable voltage-to-current conversion, programmable filters, and sensor calibration.
