AD5272BRMZ-20

The AD5272BRMZ-20 is a dual-channel, 256-position, I2C-compatible digital potentiometer designed for precision resistor applications. This IC offers a resistance range from 0 to 20kΩ, making it suitable for various analog circuit adjustments and calibration tasks.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VH: High Terminal of the Potentiometer
• VSS: Negative Supply Voltage
• W1: Wiper Terminal of Potentiometer 1
• A1: Terminal A of Potentiometer 1
• B1: Terminal B of Potentiometer 1
• W2: Wiper Terminal of Potentiometer 2
• A2: Terminal A of Potentiometer 2
• B2: Terminal B of Potentiometer 2
• VLOGIC: Digital Supply Voltage

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the AD5272BRMZ-20 IC for a visual representation.

Key Features

• Dual-Channel Design: Features two independent potentiometers for separate control.
• 256-Position Resolution: Offers fine granularity in resistance adjustments for precision applications.
• I2C Compatibility: Allows for digital communication and easy integration with microcontrollers and other digital circuitry.
• Wide Resistance Range: Ranges from 0Ω to 20kΩ, providing flexibility in analog circuit design.
• Non-Volatile Memory: Retains resistance settings even when powered off, ensuring persistent configurations.
• Compact Package: Housed in a small MSOP-10 package for space-efficient PCB designs.

Note: For detailed technical specifications, please refer to the AD5272BRMZ-20 datasheet.

Application

• Gain Adjustment: Ideal for adjusting gains in operational amplifier circuits and instrumentation applications.
• System Calibration: Suitable for calibrating sensor networks and precision measurement equipment.
• Audio Volume Control: Used in audio systems for volume adjustments and tone control applications.

Functionality

The AD5272BRMZ-20 digital potentiometer provides precise voltage control in analog circuits, offering fine adjustments for various applications requiring resistance tuning.

Usage Guide

• Power Supply: Connect VH (Pin 1) to the high terminal voltage and VSS (Pin 2) to the negative supply.
• Control Interface: Use the I2C interface to communicate with the digital potentiometer for resistance adjustments.
• Terminal Connections: Connect the wiper terminals (W1, W2) to the desired circuit nodes for resistance control.

Frequently Asked Questions

Q: Is the AD5272BRMZ-20 suitable for audio applications?
A: Yes, the AD5272BRMZ-20 can be used for audio volume control and tone adjustment in audio systems.

Q: What is the resolution of the resistance settings in the AD5272BRMZ-20?
A: The digital potentiometer offers a resolution of 256 positions for precise resistance adjustments.