MCP4161-503E/MS

Product Overview

The MCP4161-503E/MS belongs to the category of digital potentiometers and is commonly used in electronic circuits for various applications. This device offers unique characteristics, comes in a small package, and provides essential functionality for circuit design. The MCP4161-503E/MS is available in a specific packaging/quantity configuration that suits its intended use.

Basic Information

• Category: Digital Potentiometer
• Use: Electronic circuit design
• Characteristics: Small form factor, digital control, precise resistance adjustment
• Package: Surface mount
• Essence: Provides variable resistance in electronic circuits
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Resistance Value: 50 kΩ
• Tolerance: ±20%
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Wiper Current: 1 mA
• Endurance: 100,000 write cycles

Detailed Pin Configuration

The MCP4161-503E/MS features a standard pin configuration with the following connections: 1. VDD - Power supply input 2. CS - Chip select for SPI interface 3. SCK - Serial clock for SPI interface 4. SI - Serial data input for SPI interface 5. SO - Serial data output for SPI interface 6. VSS - Ground connection 7. A - Terminal A of the potentiometer 8. B - Terminal B of the potentiometer 9. W - Wiper terminal of the potentiometer

Functional Features

• Digital control for precise resistance adjustment
• SPI interface for easy integration into digital systems
• Non-volatile memory for retaining settings during power-off
• Low wiper resistance for minimal signal distortion

Advantages and Disadvantages

Advantages

• Precise digital control
• Compact form factor
• Non-volatile memory
• Wide operating voltage range

Disadvantages

• Limited endurance compared to mechanical potentiometers
• Higher cost compared to traditional potentiometers

Working Principles

The MCP4161-503E/MS operates by digitally controlling the position of the wiper terminal, effectively changing the resistance between terminals A and B. This digital potentiometer uses an internal non-volatile memory to store the wiper position, ensuring that the setting is retained even when the power is turned off.

Detailed Application Field Plans

The MCP4161-503E/MS finds extensive application in various electronic systems, including: - Audio equipment for volume control - Instrumentation for calibration and offset adjustments - Industrial control systems for parameter tuning - Automotive electronics for sensor calibration

Detailed and Complete Alternative Models

• MCP4161-103E/MS: 10 kΩ resistance value
• MCP4161-253E/MS: 25 kΩ resistance value
• MCP4161-104E/MS: 100 kΩ resistance value

In conclusion, the MCP4161-503E/MS digital potentiometer offers precise digital control and is suitable for a wide range of electronic applications. Its compact size and digital interface make it an ideal choice for modern circuit designs.

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