Overview
The AD5232BRUZ100, produced by Analog Devices Inc., is a nonvolatile, dual-channel, digitally controlled variable resistor (VR) with 256-position resolution. This device functions as an electronic replacement for mechanical potentiometers, offering enhanced resolution, solid-state reliability, and superior low temperature coefficient performance. It operates within a single-supply range of 3 V to 5 V or a dual-supply range of ±2.5 V, making it versatile for various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | |
| Number of Taps | 256 | |
| Nominal Terminal Resistance | 10 kΩ, 50 kΩ, 100 kΩ | Ω |
| Temperature Coefficient | 600 ppm/°C | ppm/°C |
| Memory Type | Non-Volatile | |
| Interface | SPI-compatible serial interface | |
| Supply Voltage | 3 V to 5 V (single-supply), ±2.5 V (dual-supply) | V |
| Package | 16-Lead TSSOP | |
| Operating Temperature Range | -40°C to +85°C | °C |
| Data Retention | 100 years (typical at TA = 55°C) | years |
Key Features
- Dual-channel, 256-position resolution for precise control.
- Nonvolatile memory to maintain wiper settings even after power-off.
- SPI-compatible serial interface for easy communication with microcontrollers.
- Predefined linear and logarithmic increment/decrement instructions.
- 14 bytes of general-purpose user EEMEM for additional data storage.
- Permanent memory write protection to secure settings.
- Internal preset strobe for automatic wiper position setting at power-on.
- Low temperature coefficient and high reliability.
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 AD5232BRUZ100?
The AD5232BRUZ100 has a resolution of 256 positions.
- What are the nominal terminal resistances available for the AD5232BRUZ100?
The nominal terminal resistances are 10 kΩ, 50 kΩ, and 100 kΩ.
- What type of memory does the AD5232BRUZ100 use?
The AD5232BRUZ100 uses nonvolatile memory.
- What is the operating temperature range of the AD5232BRUZ100?
The operating temperature range is -40°C to +85°C.
- What interface does the AD5232BRUZ100 use for communication?
The AD5232BRUZ100 uses an SPI-compatible serial interface.
- How many bytes of general-purpose user EEMEM does the AD5232BRUZ100 have?
The AD5232BRUZ100 has 14 bytes of general-purpose user EEMEM.
- What is the typical data retention time for the AD5232BRUZ100?
The typical data retention time is 100 years at TA = 55°C.
- What package type is the AD5232BRUZ100 available in?
The AD5232BRUZ100 is available in a 16-Lead TSSOP package.
- Can the AD5232BRUZ100 be used to replace mechanical potentiometers?
- What are some common applications of the AD5232BRUZ100?
