AD5258BRMZ1-R7

Product Overview

Category

AD5258BRMZ1-R7 belongs to the category of digital potentiometers.

Use

It is used as a variable resistor in electronic circuits, providing a digitally controlled resistance value.

Characteristics

• Digital control: The AD5258BRMZ1-R7 can be controlled digitally using a microcontroller or other digital interface.
• Programmable resistance: It allows for setting the resistance value electronically, eliminating the need for manual adjustment.
• Non-volatile memory: The device retains its programmed resistance value even when power is removed.
• Low power consumption: It operates with low power requirements, making it suitable for battery-powered applications.

Package

The AD5258BRMZ1-R7 comes in a small form factor package, specifically the MSOP-10 package.

Essence

The essence of AD5258BRMZ1-R7 lies in its ability to provide a digitally controlled variable resistance, offering flexibility and convenience in circuit design.

Packaging/Quantity

The product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Resolution: 256 taps
• Resistance Range: 0Ω to 100kΩ
• Supply Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Interface: I2C-compatible

Detailed Pin Configuration

The AD5258BRMZ1-R7 has the following 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. GND: Ground reference
5. A0: Address selection bit 0
6. A1: Address selection bit 1
7. WP: Write protect input
8. VSS: Negative power supply voltage input
9. RH: Terminal A of the potentiometer
10. RL: Terminal B of the potentiometer

Functional Features

• Digital control allows for precise and repeatable resistance settings.
• Non-volatile memory ensures that the programmed resistance value is retained even after power loss.
• I2C interface enables easy integration with microcontrollers and other digital devices.
• Wide temperature range makes it suitable for various operating environments.

Advantages and Disadvantages

Advantages

• Easy to integrate into digital circuits.
• Precise and repeatable resistance settings.
• Non-volatile memory retains resistance value.
• Low power consumption.

Disadvantages

• Limited resolution compared to analog potentiometers.
• Requires digital control interface.

Working Principles

The AD5258BRMZ1-R7 utilizes a combination of digital control and resistive elements to provide variable resistance. The digital control interface, such as I2C, allows for setting the desired resistance value. The device then adjusts the resistive elements accordingly to achieve the specified resistance.

Detailed Application Field Plans

The AD5258BRMZ1-R7 finds applications in various fields, including:

1. Audio equipment: It can be used for volume control in audio amplifiers and mixers.
2. Industrial automation: It is suitable for calibration and adjustment of industrial control systems.
3. Test and measurement: It can be utilized in test equipment for signal conditioning and calibration purposes.
4. Consumer electronics: It finds use in devices like TVs, gaming consoles, and home appliances for user-controlled adjustments.

Detailed and Complete Alternative Models

1. AD5241: 256-tap digital potentiometer with similar specifications.
2. MCP401X: Microchip's digital potentiometer series with various resolution options.
3. MAX548X: Maxim Integrated's digital potentiometer series with higher resolution and additional features.

These alternative models offer similar functionality and can be considered based on specific requirements and preferences.

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