AD5251BRU50-RL7

Product Overview

Category

The AD5251BRU50-RL7 belongs to the category of digital potentiometers.

Use

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

Characteristics

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

Package

The AD5251BRU50-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 adjusting resistance values.

Packaging/Quantity

The AD5251BRU50-RL7 is typically packaged in reels and available in quantities of 2500 units per reel.

Specifications

• Resistance Range: 0Ω to 50kΩ
• Resolution: 256 steps
• Supply Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Interface: I2C-compatible

Detailed Pin Configuration

The AD5251BRU50-RL7 has a total of 16 pins, which are configured as follows:

1. VDD: Power supply input
2. SDA: Serial data input/output for I2C communication
3. SCL: Serial clock input for I2C communication
4. GND: Ground connection
5. A0: Address selection bit 0
6. A1: Address selection bit 1
7. WP: Write protect input
8. RDY: Ready output
9. VSS: Negative power supply input
10. RST: Reset input
11. WIP: Work-in-progress output
12. VLOGIC: Logic power supply input
13. VOUT: Potentiometer output
14. NC: No connection
15. NC: No connection
16. VLOGIC: Logic power supply input

Functional Features

• Digital control interface allows for precise resistance adjustments.
• Non-volatile memory retains settings even when power is disconnected.
• Low power consumption ensures energy efficiency.
• Wide operating voltage range enables compatibility with various systems.

Advantages and Disadvantages

Advantages

• Greater precision compared to mechanical potentiometers.
• Adjustable resistance values without physical manipulation.
• Non-volatile memory preserves settings, eliminating the need for recalibration.
• Low power consumption reduces energy usage.

Disadvantages

• Limited resistance range compared to some other digital potentiometers.
• Higher cost compared to traditional mechanical potentiometers.

Working Principles

The AD5251BRU50-RL7 utilizes a combination of digital control circuitry and resistive elements to achieve adjustable resistance values. The digital control interface communicates with the internal non-volatile memory, allowing users to set specific resistance levels. These settings are retained even when power is disconnected, ensuring consistent performance.

Detailed Application Field Plans

The AD5251BRU50-RL7 finds applications in various electronic systems, including:

1. Audio equipment: Allows for precise volume control in amplifiers and audio mixers.
2. Industrial automation: Enables fine-tuning of resistance values in control systems.
3. Test and measurement instruments: Provides adjustable reference resistances for calibration purposes.
4. Automotive electronics: Used in vehicle control modules for resistance-based adjustments.
5. Medical devices: Offers precise resistance control in medical equipment.

Detailed and Complete Alternative Models

1. AD5241BRUZ20-RL7: Similar to AD5251BRU50-RL7 but with a resistance range of 0Ω to 20kΩ.
2. AD5261BRUZ50-RL7: Offers a resistance range of 0Ω to 50kΩ with higher resolution (1024 steps).
3. AD5271BRUZ10-RL7: Provides a resistance range of 0Ω to 10kΩ with an extended temperature range (-40°C to +150°C).

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

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