AD5251BRU1-RL7

Product Overview

Category

AD5251BRU1-RL7 belongs to the category of digital potentiometers.

Use

It is primarily used for electronic circuitry and system control applications.

Characteristics

• Digital potentiometer with non-volatile memory
• Single-channel, 256-position resolution
• I2C-compatible interface
• Wide operating voltage range: 2.7V to 5.5V
• Low power consumption
• Small package size

Package

The AD5251BRU1-RL7 comes in a small MSOP-10 package.

Essence

The essence of AD5251BRU1-RL7 lies in its ability to provide a digitally controlled variable resistance, allowing precise control over circuit parameters.

Packaging/Quantity

The product is typically packaged in reels, with 2500 units per reel.

Specifications

• Resolution: 8-bit (256 positions)
• Operating Voltage Range: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Interface: I2C-compatible
• Package Type: MSOP-10

Detailed Pin Configuration

The AD5251BRU1-RL7 has the following pin configuration:

1. VDD: Power supply voltage
2. SDA: Serial data input/output for I2C communication
3. SCL: Serial clock input for I2C communication
4. GND: Ground
5. A0: Address bit 0
6. A1: Address bit 1
7. WP: Write protect input
8. H/L: High/Low terminal of the resistor element
9. W: Wiper terminal of the resistor element
10. B: Bottom terminal of the resistor element

Functional Features

• Non-volatile memory: The AD5251BRU1-RL7 retains its settings even when power is removed.
• I2C interface: Allows for easy digital control and communication with other devices.
• Wide operating voltage range: Can be used in a variety of applications with different power supply voltages.
• Low power consumption: Helps to minimize energy usage and extend battery life.
• Small package size: Enables space-saving designs in compact electronic systems.

Advantages

• Precise control: The 256-position resolution allows for fine adjustments in circuit parameters.
• Non-volatile memory: Settings are retained, ensuring consistent performance even after power cycles.
• Easy integration: The I2C interface simplifies communication with microcontrollers and other devices.
• Versatile: Suitable for a wide range of applications due to its wide operating voltage range.

Disadvantages

• Limited resolution: While the 8-bit resolution is sufficient for many applications, higher resolutions may be required for more precise control.
• Single-channel: Only one channel is available, limiting its use in multi-channel applications.

Working Principles

The AD5251BRU1-RL7 operates by digitally controlling the resistance between the wiper terminal (W) and the high/low terminals (H/L). This is achieved through the use of a non-volatile memory that stores the resistance value. The I2C interface allows for easy communication with external devices, enabling precise control over the resistance value.

Detailed Application Field Plans

The AD5251BRU1-RL7 can be used in various applications, including:

1. Audio equipment: Volume control, tone adjustment
2. Industrial automation: Process control, calibration
3. Test and measurement instruments: Fine adjustment of signal levels
4. Consumer electronics: Display brightness control, user interface settings
5. Automotive electronics: Climate control, lighting control

Detailed and Complete Alternative Models

1. AD5252BRUZ1-RL7: Dual-channel digital potentiometer with similar specifications and features.
2. AD8400ARZ10: Single-channel digital potentiometer with higher resolution (10-bit) and SPI interface.
3. MCP4018T-503E/LT: Single-channel digital potentiometer with lower power consumption and smaller package size.

These alternative models offer different features and specifications, providing options for various application requirements.

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