AD8402ARUZ100-REEL

Product Overview

Category

The AD8402ARUZ100-REEL belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for digital potentiometer applications.

Characteristics

• Digital potentiometer with 256 positions
• Dual-channel configuration
• Low temperature coefficient
• Wide operating voltage range
• High resolution and accuracy

Package

The AD8402ARUZ100-REEL is available in a small outline package (SOIC) with 16 pins.

Essence

The essence of this product lies in its ability to digitally control resistance, providing precise and reliable adjustments in various electronic circuits.

Packaging/Quantity

The AD8402ARUZ100-REEL is typically packaged in reels containing 2500 units.

Specifications

• Resolution: 8 bits
• Supply Voltage Range: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Resistance Tolerance: ±20%
• Power Consumption: 1mW (typical)

Pin Configuration

The AD8402ARUZ100-REEL has 16 pins arranged as follows:

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| | | 1 2 3 4 5 6 7 8 | | | | 9 10 11 12 13 14 15 16 | |_______________________________________| ```

Functional Features

• Dual-channel operation allows independent control of two resistive elements.
• Non-volatile memory stores the wiper position, ensuring settings are retained even after power loss.
• Serial interface enables easy integration with microcontrollers and digital systems.
• Low power consumption makes it suitable for battery-powered applications.
• High resolution and accuracy provide precise control over resistance values.

Advantages

• Compact size and easy integration into various electronic circuits.
• Wide operating voltage range allows compatibility with different power supply configurations.
• Non-volatile memory ensures settings are retained, eliminating the need for recalibration.
• High resolution and accuracy enable fine adjustments in resistance values.

Disadvantages

• Limited resistance tolerance of ±20% may not be suitable for applications requiring extremely precise resistance values.
• Lack of built-in protection features against overvoltage or ESD events.

Working Principles

The AD8402ARUZ100-REEL operates by digitally controlling the resistance between its terminals. It utilizes a combination of resistive elements and switches to achieve precise adjustments. The digital potentiometer receives control signals through its serial interface, allowing the user to set the desired resistance value. The non-volatile memory stores the wiper position, ensuring that the resistance setting is maintained even when power is removed.

Detailed Application Field Plans

The AD8402ARUZ100-REEL finds applications in various fields, including:

1. Audio Equipment: Used for volume control and tone adjustment in amplifiers and audio mixers.
2. Industrial Automation: Enables precise control of process variables in industrial control systems.
3. Test and Measurement Instruments: Provides programmable resistance for calibration and testing purposes.
4. Medical Devices: Used in equipment requiring accurate resistance adjustments, such as patient monitoring systems.
5. Automotive Electronics: Utilized in vehicle control systems for sensor calibration and signal conditioning.

Detailed and Complete Alternative Models

1. AD8400ARZ10 - Single-channel digital potentiometer with 256 positions.
2. AD8403ARUZ100 - Triple-channel digital potentiometer with 256 positions.
3. MCP4131-103E/P - Single-channel digital potentiometer with 128 positions.
4. MAX5481EUD+T - Dual-channel digital potentiometer with 256 positions and I2C interface.

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

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