AD5251BRU10-RL7

Product Overview

Category

The AD5251BRU10-RL7 belongs to the category of digital potentiometers.

Use

It is primarily used for electronic circuitry and control systems where variable resistance is required.

Characteristics

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

Package

The AD5251BRU10-RL7 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 AD5251BRU10-RL7 is typically packaged in reels and is available in quantities of 2500 units per reel.

Specifications

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

Detailed Pin Configuration

The AD5251BRU10-RL7 has a total of 14 pins, which are configured as follows:

1. VDD: Power supply voltage
2. SDA: Serial data input/output
3. SCL: Serial clock input
4. A0: Address bit 0
5. A1: Address bit 1
6. WP: Write protect
7. VSS: Ground
8. RDAC: Resistor terminal A
9. RDAC: Resistor terminal B
10. RH: Terminal H
11. RL: Terminal L
12. VLOGIC: Logic supply voltage
13. NC: No connection
14. NC: No connection

Functional Features

• Digital control allows for precise adjustment of resistance.
• Non-volatile memory retains settings even when power is disconnected.
• Low power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range enables compatibility with various systems.
• High resolution provides fine-grained control over resistance.

Advantages and Disadvantages

Advantages

• Greater precision compared to mechanical potentiometers.
• Flexible and programmable resistance adjustment.
• Compact size and easy integration into electronic circuits.
• Non-volatile memory ensures settings are retained.

Disadvantages

• Limited resistance range compared to some other digital potentiometers.
• Relatively higher cost compared to mechanical alternatives.
• Sensitivity to electrostatic discharge (ESD) requires careful handling during installation.

Working Principles

The AD5251BRU10-RL7 utilizes a combination of digital control and integrated resistive elements to achieve variable resistance. The digital control interface, such as I2C, allows for precise adjustment of the resistance value. The non-volatile memory ensures that the resistance setting is retained even when power is disconnected. The integrated resistive elements provide the desired resistance range and accuracy.

Detailed Application Field Plans

The AD5251BRU10-RL7 finds applications in various fields, including:

1. Audio Equipment: Volume control, tone adjustment, and equalization circuits.
2. Industrial Automation: Variable resistance for motor speed control, light dimming, and process control.
3. Test and Measurement Instruments: Calibration and signal conditioning circuits.
4. Automotive Electronics: Climate control, dashboard controls, and audio systems.
5. Medical Devices: Precision control in diagnostic equipment and therapy devices.

Detailed and Complete Alternative Models

1. AD5241BRUZ10-RL7: 10 kΩ digital potentiometer with similar specifications.
2. AD5260BRUZ10-RL7: 10 kΩ digital potentiometer with higher resolution and extended temperature range.
3. AD8400ARZ10-RL7: 10 kΩ digital potentiometer with parallel interface and lower cost.

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

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