AD5262BRU50-REEL7

Product Overview

Category

AD5262BRU50-REEL7 belongs to the category of integrated digital potentiometers.

Use

This product is primarily used for electronic circuitry and systems that require adjustable resistance values. It can be utilized in a wide range of applications, including audio equipment, instrumentation, and industrial control systems.

Characteristics

• Integrated digital potentiometer with 256 positions
• Dual-channel configuration
• Low temperature coefficient
• High resolution and accuracy
• Wide operating voltage range
• Non-volatile memory for storing settings

Package

AD5262BRU50-REEL7 is available in a small outline integrated circuit (SOIC) package. This package provides ease of integration into various circuit boards and systems.

Essence

The essence of AD5262BRU50-REEL7 lies in its ability to replace traditional mechanical potentiometers with a compact and digitally controlled alternative. This allows for precise and reliable adjustment of resistance values in electronic circuits.

Packaging/Quantity

AD5262BRU50-REEL7 is typically packaged in reels containing 250 units. This packaging format ensures convenient handling and storage during manufacturing processes.

Specifications

• Resolution: 8 bits (256 positions)
• Supply Voltage Range: 2.7V to 5.5V
• Temperature Coefficient: ±35 ppm/°C
• Operating Temperature Range: -40°C to +125°C
• Digital Interface: SPI-compatible

Detailed Pin Configuration

1. VDD: Power supply voltage
2. SDO: Serial data output
3. SDI: Serial data input
4. CS: Chip select
5. SCLK: Serial clock input
6. GND: Ground
7. A1: Channel A terminal 1
8. W1: Channel A wiper terminal
9. B1: Channel A terminal 2
10. A2: Channel B terminal 1
11. W2: Channel B wiper terminal
12. B2: Channel B terminal 2

Functional Features

• Dual-channel configuration allows independent control of two resistive elements.
• Non-volatile memory ensures that resistance settings are retained even when power is disconnected.
• SPI-compatible digital interface enables easy integration with microcontrollers and other digital systems.
• High resolution and accuracy provide precise adjustment of resistance values.

Advantages and Disadvantages

Advantages

• Compact size and integrated design save space in electronic circuits.
• Digital control allows for precise and repeatable resistance adjustments.
• Non-volatile memory eliminates the need for recalibration after power cycles.
• Wide operating voltage range enables compatibility with various power supply systems.

Disadvantages

• Limited resolution compared to some higher-end digital potentiometers.
• Temperature coefficient may introduce slight variations in resistance values with temperature changes.
• Relatively higher cost compared to traditional mechanical potentiometers.

Working Principles

AD5262BRU50-REEL7 utilizes a combination of digital-to-analog converters (DACs) and resistive ladder networks to achieve adjustable resistance values. The digital control signals received through the SPI interface are converted into analog voltages, which in turn control the resistance levels of the potentiometer.

Detailed Application Field Plans

AD5262BRU50-REEL7 finds applications in various fields, including:

1. Audio Equipment: Volume control, tone adjustment, and equalization circuits.
2. Instrumentation: Calibration and signal conditioning circuits.
3. Industrial Control Systems: Variable speed drives, motor control, and process control circuits.

Detailed and Complete Alternative Models

1. AD8400ARZ10 - Single-channel digital potentiometer with 256 positions.
2. MCP4131-103E/P - Single-channel digital potentiometer with 128 positions.
3. MAX5486EUD+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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