MCP4361T-104E/ST

Introduction

The MCP4361T-104E/ST is a digital potentiometer belonging to the category of integrated circuits. It is commonly used in various electronic devices and systems to provide variable resistance, offering flexibility and control in circuit design.

Basic Information Overview

• Category: Integrated Circuit
• Use: Provides variable resistance in electronic circuits
• Characteristics: Digital control, programmable resistance, compact size
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Offers precise and flexible resistance adjustment
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Resolution: 8-bit
• Number of Potentiometers: 1
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Endurance: 1,000,000 write cycles
• Wiper Current: 25 mA

Detailed Pin Configuration

The MCP4361T-104E/ST features a standard 8-pin TSSOP package with the following pin configuration: 1. VDD - Power supply input 2. CS - Chip select for SPI interface 3. SCK - Serial clock input 4. SI - Serial data input 5. SO - Serial data output 6. WP - Write protect 7. A - Terminal A of potentiometer 8. B - Terminal B of potentiometer

Functional Features

• Digital control for precise resistance adjustment
• Non-volatile memory for storing settings
• SPI interface for easy integration into digital systems
• Low power consumption for energy-efficient operation

Advantages and Disadvantages

Advantages: - Precise and flexible resistance adjustment - Compact size for space-constrained designs - Non-volatile memory for retaining settings

Disadvantages: - Limited resolution compared to higher-bit digital potentiometers - Limited wiper current may not be suitable for high-power applications

Working Principles

The MCP4361T-104E/ST operates by digitally controlling the position of its wiper, which in turn adjusts the resistance between its terminals A and B. This digital potentiometer utilizes non-volatile memory to retain its settings even when powered off, providing consistent performance across power cycles.

Detailed Application Field Plans

The MCP4361T-104E/ST finds application in various electronic systems, including: - Audio equipment for volume control - Instrumentation for calibration and fine-tuning - Industrial control systems for parameter adjustment - Consumer electronics for user-adjustable settings

Detailed and Complete Alternative Models

1. MCP4131: 7-bit digital potentiometer with similar SPI interface
2. AD8403: 12-bit digital potentiometer for higher resolution applications
3. X9C103S: Non-volatile 10kΩ digital potentiometer with simple 3-wire interface

In conclusion, the MCP4361T-104E/ST digital potentiometer offers precise and flexible resistance adjustment in a compact package, making it suitable for a wide range of electronic applications.

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