MCP4642T-503E/UN

Product Overview

The MCP4642T-503E/UN belongs to the category of digital potentiometers and is commonly used in electronic circuits for various applications. This device offers precise resistance adjustments and is characterized by its compact package, high resolution, and non-volatile memory. The MCP4642T-503E/UN is typically available in small surface-mount packages and is widely used in audio equipment, instrumentation, and industrial control systems.

Basic Information

• Category: Digital Potentiometer
• Use: Electronic circuitry for resistance adjustments
• Characteristics: Compact, high resolution, non-volatile memory
• Package: Small surface-mount package
• Essence: Precise resistance adjustments in electronic circuits
• Packaging/Quantity: Typically available in reels of 2500 units

Specifications

• Resolution: 7-bit (128 wiper steps)
• Interface: I2C
• Operating Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Endurance: 1,000,000 write cycles per bit
• Tolerance: ±20%

Detailed Pin Configuration

The MCP4642T-503E/UN features a standard 8-pin configuration with the following pinout: 1. VDD - Power supply input 2. SDA - I2C serial data input 3. SCL - I2C serial clock input 4. A0 - Address input 5. A1 - Address input 6. W - Wiper terminal 7. B - Terminal B 8. VSS - Ground

Functional Features

• Non-volatile memory for storing settings
• High resolution for precise adjustments
• I2C interface for easy integration
• Wide operating voltage range for flexibility

Advantages and Disadvantages

Advantages

• Precise resistance adjustments
• Non-volatile memory
• Small form factor
• Easy integration with I2C interface

Disadvantages

• Limited resolution compared to higher-bit devices
• Tolerance of ±20% may not be suitable for all applications

Working Principles

The MCP4642T-503E/UN operates by digitally adjusting the resistance between the W and B terminals using the I2C interface. The non-volatile memory ensures that the settings are retained even when power is removed, making it suitable for applications requiring persistent resistance values.

Detailed Application Field Plans

The MCP4642T-503E/UN finds extensive use in the following application fields: - Audio equipment: Volume control, tone adjustment - Instrumentation: Calibration, signal conditioning - Industrial control systems: Variable resistance control, feedback loops

Detailed and Complete Alternative Models

Some alternative models to the MCP4642T-503E/UN include: - MCP4161-103E/P - AD5241BRUZ10 - MAX5486EUD+

In conclusion, the MCP4642T-503E/UN digital potentiometer offers precise resistance adjustments and non-volatile memory in a compact package, making it suitable for various electronic circuit applications.

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