AD5262BRU20-REEL7

Product Overview

Category

The AD5262BRU20-REEL7 belongs to the category of digital potentiometers.

Use

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

Characteristics

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

Package

The AD5262BRU20-REEL7 comes in a small outline integrated circuit (SOIC) package.

Essence

This product serves as a replacement for traditional mechanical potentiometers, offering greater precision and flexibility in electronic circuits.

Packaging/Quantity

The AD5262BRU20-REEL7 is typically packaged in reels containing 250 units.

Specifications

• Resolution: 10-bit
• Number of Channels: 2
• Resistance Range: 0Ω to 20kΩ
• Operating Voltage Range: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AD5262BRU20-REEL7 has a total of 16 pins, which are configured as follows:

1. VDD: Power supply voltage
2. GND: Ground reference
3. SDA: Serial data input/output
4. SCL: Serial clock input
5. A0: Address bit 0
6. A1: Address bit 1
7. WP: Write protect
8. VLOGIC: Logic supply voltage
9. VSS: Negative supply voltage
10. RDAC2B: Terminal B of channel 2 resistor ladder
11. RDAC2W: Wiper terminal of channel 2
12. RDAC2A: Terminal A of channel 2 resistor ladder
13. RDAC1B: Terminal B of channel 1 resistor ladder
14. RDAC1W: Wiper terminal of channel 1
15. RDAC1A: Terminal A of channel 1 resistor ladder
16. NC: No connection

Functional Features

• Digital control interface allows for easy adjustment of resistance values.
• Non-volatile memory ensures that the resistance settings are retained even when power is removed.
• Low power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range enables compatibility with various electronic systems.

Advantages and Disadvantages

Advantages

• Precise and accurate resistance control
• Compact size and easy integration into circuits
• Eliminates mechanical wear and tear associated with traditional potentiometers
• Offers flexibility in circuit design and testing

Disadvantages

• Limited resolution compared to higher-end digital potentiometers
• Relatively higher cost compared to mechanical potentiometers

Working Principles

The AD5262BRU20-REEL7 utilizes a resistor ladder network controlled by digital signals. The resistance value is adjusted by changing the position of the wiper terminal along the ladder. This is achieved through the digital control interface, which communicates with the internal non-volatile memory to store and recall resistance settings.

Detailed Application Field Plans

The AD5262BRU20-REEL7 finds application in various fields, including:

1. Audio equipment: Volume control, tone adjustment, and equalization circuits.
2. Industrial automation: Variable resistance for motor speed control, light intensity adjustment, and sensor calibration.
3. Test and measurement instruments: Calibration and fine-tuning of signal generators, oscilloscopes, and data acquisition systems.
4. Automotive electronics: Control of fan speed, temperature regulation, and lighting intensity.

Detailed and Complete Alternative Models

1. AD5260: Single-channel digital potentiometer with similar specifications.
2. AD5264: Four-channel digital potentiometer with expanded functionality.
3. MCP4131: Low-cost alternative with comparable features.

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