Overview
The AD5232BRU100-REEL7 is a digital potentiometer produced by Analog Devices Inc. This device is designed to operate as a true variable resistor replacement for analog signals. It features a nonvolatile, dual-channel, digitally controlled variable resistor with 256-position settings. The AD5232 is suitable for a wide range of applications, including mechanical potentiometer replacement, instrumentation, and sensor calibration. It operates on a single supply of 3 V to 5 V or a dual supply of ±2.5 V and is available in a 16-lead TSSOP package, ensuring compact and efficient integration into various systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resistance Range | 100 kΩ | Ω |
| Number of Positions | 256 | - |
| Supply Voltage | 3 V to 5 V (single supply), ±2.5 V (dual supply) | V |
| Operating Temperature | −40°C to +85°C | °C |
| Package Type | 16-lead TSSOP | - |
| Interface | SPI-compatible serial interface | - |
| Bandwidth (−3 dB) | 500 kHz (for 10 kΩ) | kHz |
| Total Harmonic Distortion (THD) | 0.022% (for 10 kΩ at 1 kHz) | % |
| Settling Time | 0.65/3/6 µs (for 0.50% error band) | µs |
Key Features
- Nonvolatile memory with 100-year typical data retention at 55°C.
- Dual-channel, digitally controlled variable resistor with 256-position settings.
- SPI-compatible serial interface for wiper settings and EEMEM readback.
- Permanent memory write protection and 14 bytes of general-purpose user EEMEM.
- Increment and decrement command instructions for wiper position adjustment.
- Left/right shift command instructions for exponential/logarithmic changes in wiper setting.
- Compact 16-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 primary function of the AD5232BRU100-REEL7? The AD5232BRU100-REEL7 is a digital potentiometer designed to replace mechanical potentiometers and provide precise digital control over resistance settings.
- What are the operating voltage ranges for the AD5232BRU100-REEL7? The device operates on a single supply of 3 V to 5 V or a dual supply of ±2.5 V.
- How many positions does the AD5232BRU100-REEL7 have? It has 256-position settings.
- What type of interface does the AD5232BRU100-REEL7 use? It uses an SPI-compatible serial interface.
- What is the operating temperature range of the AD5232BRU100-REEL7? The device operates over the extended industrial temperature range of −40°C to +85°C.
- What is the package type of the AD5232BRU100-REEL7? It is available in a 16-lead TSSOP package.
- Does the AD5232BRU100-REEL7 have nonvolatile memory? Yes, it has nonvolatile memory with 100-year typical data retention at 55°C.
- What are some common applications of the AD5232BRU100-REEL7? Common applications include mechanical potentiometer replacement, instrumentation, programmable voltage-to-current conversion, and sensor calibration.
- How does the AD5232BRU100-REEL7 adjust the wiper position? The wiper position can be adjusted using increment and decrement command instructions, as well as left/right shift commands for exponential/logarithmic changes.
- Is the AD5232BRU100-REEL7 suitable for audio applications? Yes, it is suitable for audio applications due to its ability to adjust wiper settings in ±6 dB steps.
