MCP4651T-503E/ST

Introduction

The MCP4651T-503E/ST is a digital potentiometer belonging to the category of integrated circuits. It is commonly used in electronic devices and systems for its unique characteristics and versatile applications.

Basic Information Overview

• Category: Integrated Circuit
• Use: Digital Potentiometer
• Characteristics: Programmable, Non-volatile Memory, Low Power Consumption
• Package: 8-pin TDFN (Thin Dual Flat No-Lead) Package
• Essence: Provides digitally controlled resistance for circuit adjustments
• Packaging/Quantity: Available in tape and reel packaging with quantities as per order

Specifications

• Resolution: 7-bit
• End-to-End Resistance: 50 kΩ
• Operating Voltage: 2.7V to 5.5V
• Interface: SPI (Serial Peripheral Interface)
• Temperature Range: -40°C to +125°C
• Wiper Current: 1 mA maximum

Detailed Pin Configuration

The MCP4651T-503E/ST features an 8-pin TDFN package with the following pin configuration: 1. VSS (Ground) 2. A (Terminal A of Potentiometer) 3. B (Terminal B of Potentiometer) 4. W (Wiper Terminal of Potentiometer) 5. CS (Chip Select) 6. SCK (Serial Clock) 7. SI (Serial Input) 8. VDD (Power Supply)

Functional Features

• Digitally programmable resistance
• Non-volatile memory for wiper position storage
• Low power consumption for energy-efficient operation
• SPI interface for seamless integration into digital systems

Advantages and Disadvantages

Advantages

• Precise and accurate resistance adjustment
• Retains settings without power supply
• Compact and space-saving package
• Easy interfacing with microcontrollers and digital systems

Disadvantages

• Limited resolution compared to higher-bit digital potentiometers
• Restricted operating voltage range may not be suitable for all applications

Working Principles

The MCP4651T-503E/ST operates by digitally controlling the resistance between terminals A and B using the wiper terminal. The non-volatile memory ensures that the wiper position is retained even when the power is turned off, providing consistent performance across power cycles.

Detailed Application Field Plans

The MCP4651T-503E/ST finds extensive use in various electronic applications, including: - Analog signal conditioning - Audio equipment - Instrumentation and measurement devices - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

For applications requiring different specifications or features, alternative models to consider include: - MCP4131T-103E/ST: 10 kΩ, 7-bit resolution, similar package and interface - MCP4161T-104E/ST: 100 kΩ, 7-bit resolution, compatible package and interface - MCP4251T-503E/ST: 50 kΩ, 8-bit resolution, expanded range of resistance values

In conclusion, the MCP4651T-503E/ST digital potentiometer offers a versatile and reliable solution for digitally controlled resistance adjustments in electronic systems, with its compact package, non-volatile memory, and low power consumption making it suitable for a wide range of applications.

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