Overview
The AD5232BRU100, produced by Analog Devices Inc., is a dual-channel, digitally controlled variable resistor (digital potentiometer) designed to provide precise voltage control in various electronic applications. This device features a non-volatile memory to store the wiper position, ensuring that settings are retained even when the device is powered off. It operates with a serial peripheral interface (SPI) for easy integration with microcontrollers and digital signal processors (DSPs).
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Circuits | 2 | |
| Number of Taps | 256 | |
| Resistance (Ohms) | 100k | Ω |
| Interface | SPI | |
| Memory Type | Non-Volatile | |
| Supply Voltage | 2.7 V ~ 5.5 V, ±2.25 V ~ 2.75 V | V |
| Operating Temperature | -40°C ~ 85°C | °C |
| Package/Case | 16-TSSOP (0.173", 4.40mm Width) | |
| Temperature Coefficient (Typ) | 600 ppm/°C | |
| Resistor Noise Voltage (Typ) | 9 nV/√Hz | nV/√Hz |
Key Features
- High Resolution: With 256 taps, the AD5232BRU100 offers fine adjustment capability, enabling precise voltage control.
- Digital Interface: Features a serial peripheral interface (SPI) for digital communication, allowing easy interfacing with microcontrollers and DSPs.
- Low Temperature Coefficient: The resistor array is designed to minimize temperature-induced variations in resistance, ensuring stable and accurate voltage output over a wide temperature range.
- Wide Voltage Range: Supports a wide voltage range, typically from 2.7V to 5.5V, making it suitable for various low-power and battery-operated applications.
- Non-Volatile Memory: Incorporates non-volatile memory to store the wiper position, allowing the device to retain its settings even when powered off.
Applications
- Audio Equipment: Can be employed for volume control, providing precise adjustment of audio signal levels for optimal listening experiences.
- Instrumentation and Measurement Systems: Can be utilized for calibration and fine-tuning of sensor outputs, ensuring accurate and reliable measurements.
- Programmable Power Supplies: Can be integrated to control the output voltage with high precision, facilitating precise voltage regulation in electronic circuits and systems.
Q & A
- What is the AD5232BRU100 used for?
The AD5232BRU100 is used as a digitally controlled variable resistor (digital potentiometer) for precise voltage control in various electronic applications. - What is the interface type of the AD5232BRU100?
The interface type is SPI (Serial Peripheral Interface). - What is the resistance range of the AD5232BRU100?
The resistance range is 100 kΩ. - What is the operating temperature range of the AD5232BRU100?
The operating temperature range is -40°C to 85°C. - Does the AD5232BRU100 have non-volatile memory?
Yes, it incorporates non-volatile memory to store the wiper position. - What is the package type of the AD5232BRU100?
The package type is 16-TSSOP (0.173", 4.40mm Width). - What are some common applications of the AD5232BRU100?
Common applications include audio equipment, instrumentation and measurement systems, and programmable power supplies. - What is the temperature coefficient of the AD5232BRU100?
The temperature coefficient is typically 600 ppm/°C. - How many taps does the AD5232BRU100 have?
The AD5232BRU100 has 256 taps. - What is the supply voltage range of the AD5232BRU100?
The supply voltage range is 2.7 V ~ 5.5 V, ±2.25 V ~ 2.75 V.
