AD5161BRM50-RL7

Product Overview

Category

AD5161BRM50-RL7 belongs to the category of integrated digital potentiometers.

Use

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

Characteristics

• Integrated digital potentiometer with non-volatile memory
• 256 positions for precise resistance/voltage adjustment
• Low temperature coefficient and high resolution
• Wide operating voltage range
• Serial interface for easy integration into digital systems

Package

The AD5161BRM50-RL7 is available in a small outline package (SOP) with 8 pins. This compact form factor allows for space-efficient integration into various electronic devices.

Essence

The essence of AD5161BRM50-RL7 lies in its ability to provide accurate and programmable resistance/voltage control in a compact and versatile package.

Packaging/Quantity

This product is typically packaged in reels, containing a quantity of 2500 units per reel.

Specifications

• Resolution: 8-bit (256 positions)
• Operating Voltage Range: 2.7V to 5.5V
• Temperature Coefficient: ±35 ppm/°C
• End-to-End Resistance Range: 10kΩ
• Interface: Serial Peripheral Interface (SPI)

Detailed Pin Configuration

The AD5161BRM50-RL7 has the following pin configuration:

1. VDD - Power supply voltage
2. CS - Chip select input for SPI communication
3. SCLK - Serial clock input for SPI communication
4. SDI - Serial data input for SPI communication
5. SDO - Serial data output for SPI communication
6. GND - Ground connection
7. RH - Terminal A of the potentiometer
8. RL - Terminal B of the potentiometer

Functional Features

• Non-volatile memory: The AD5161BRM50-RL7 retains its programmed resistance/voltage settings even when power is disconnected.
• Digital control: The integrated digital interface allows for precise and convenient adjustment of resistance/voltage levels.
• Low temperature coefficient: The device exhibits minimal changes in resistance/voltage with temperature variations, ensuring stable performance over a wide temperature range.

Advantages and Disadvantages

Advantages

• High resolution and accuracy
• Compact form factor for space-constrained applications
• Non-volatile memory for retaining settings
• Easy integration into digital systems

Disadvantages

• Limited end-to-end resistance range (10kΩ)
• Requires serial communication interface for control

Working Principles

The AD5161BRM50-RL7 utilizes a combination of digital control and analog circuitry to achieve variable resistance/voltage control. The digital interface communicates with the internal non-volatile memory, which stores the desired resistance/voltage settings. The analog circuitry then adjusts the resistance/voltage across the potentiometer terminals based on the programmed values.

Detailed Application Field Plans

The AD5161BRM50-RL7 can be applied in various fields, including:

1. Audio Equipment: Precise volume control in amplifiers, mixers, and audio processors.
2. Instrumentation: Calibration and adjustment of measurement devices such as multimeters and oscilloscopes.
3. Industrial Control Systems: Variable resistance/voltage control in motor speed controllers, lighting systems, and process control equipment.

Detailed and Complete Alternative Models

1. AD5204BRUZ10-RL7: 4-channel digital potentiometer with 10kΩ resistance range and I2C interface.
2. MCP4131-103E/P: Single-channel digital potentiometer with 10kΩ resistance range and SPI interface.
3. MAX5486EUD+: Dual-channel digital potentiometer with 100kΩ resistance range and I2C interface.

These alternative models offer similar functionality and can be considered as alternatives to the AD5161BRM50-RL7 based on specific application requirements.

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