AD5172BRM2.5-RL7

Product Overview

Category

The AD5172BRM2.5-RL7 belongs to the category of digital potentiometers.

Use

It is primarily used for electronic circuitry and systems that require adjustable resistance values.

Characteristics

• Digital control interface
• Non-volatile memory
• Low power consumption
• Wide operating voltage range
• High resolution

Package

The AD5172BRM2.5-RL7 is available in a small outline package (SOP) with 8 pins.

Essence

The essence of the AD5172BRM2.5-RL7 lies in its ability to provide digitally controlled variable resistance, allowing precise adjustment of resistance values in electronic circuits.

Packaging/Quantity

The product is typically packaged in reels or tubes, with a quantity of 2500 units per reel.

Specifications

• Resolution: 256 steps
• Resistance Range: 0Ω to 10kΩ
• Operating Voltage Range: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Interface: I2C-compatible

Detailed Pin Configuration

1. VDD: Power supply voltage input
2. SDA: Serial data input/output for I2C communication
3. SCL: Serial clock input for I2C communication
4. A0: Address selection bit 0
5. A1: Address selection bit 1
6. WP: Write protect input
7. GND: Ground reference
8. VOUT: Output terminal for the variable resistance

Functional Features

• Digital control: The AD5172BRM2.5-RL7 can be controlled digitally through the I2C interface, allowing for easy integration into digital systems.
• Non-volatile memory: The device retains its resistance settings even when power is removed, ensuring consistent performance upon power-up.
• Low power consumption: The product is designed to minimize power consumption, making it suitable for battery-powered applications.
• Wide operating voltage range: The AD5172BRM2.5-RL7 can operate within a wide voltage range, providing flexibility in various electronic systems.
• High resolution: With 256 steps of resolution, the device offers precise adjustment of resistance values.

Advantages and Disadvantages

Advantages

• Precise and accurate resistance adjustment
• Non-volatile memory ensures consistent performance
• Low power consumption extends battery life
• Wide operating voltage range allows for versatile applications
• Compact package size facilitates integration into small form factor designs

Disadvantages

• Limited resistance range compared to some other digital potentiometers
• Requires I2C interface for control, which may not be compatible with all systems

Working Principles

The AD5172BRM2.5-RL7 utilizes a combination of digital control and analog circuitry to achieve variable resistance. It consists of a resistive ladder network and a wiper that can be digitally positioned at different points along the ladder. By adjusting the position of the wiper, the effective resistance between the input and output terminals can be varied. This digital potentiometer uses non-volatile memory to store the wiper position, ensuring that the resistance setting is maintained even after power cycles.

Detailed Application Field Plans

The AD5172BRM2.5-RL7 finds application in various fields, including:

1. Audio Systems: It can be used for volume control and tone adjustment in audio amplifiers and mixers.
2. Industrial Control: The device enables precise calibration and adjustment of sensor circuits in industrial control systems.
3. Test and Measurement Equipment: It can be utilized for fine-tuning signal levels and impedance matching in test and measurement instruments.
4. Communication Systems: The digital potentiometer can be employed for gain control and signal conditioning in communication systems.
5. Automotive Electronics: It finds application in automotive electronics for controlling various parameters, such as brightness and contrast in displays.

Detailed and Complete Alternative Models

1. AD8400ARZ10 - 8-bit digital potentiometer with a resistance range of 0Ω to 10kΩ.
2. MCP4131-103E/P - 7-bit digital potentiometer with a resistance range of 0Ω to 10kΩ.
3. MAX5486EUD+T - 256-tap digital potentiometer with a resistance range of 0Ω to 50kΩ.

These alternative models offer similar functionality and can be considered based on specific requirements and compatibility with the system.

In conclusion, the AD5172BRM2.5-RL7 is a digital potentiometer that provides precise and digitally controlled variable resistance. With its compact package, low power consumption, and wide operating voltage range, it offers versatility in various