MCP4142T-502E/MS

Product Overview

Category

The MCP4142T-502E/MS belongs to the category of digital potentiometers.

Use

It is primarily used for electronic circuitry and system control applications.

Characteristics

• Digital control interface
• Non-volatile memory storage
• Low power consumption
• Wide operating voltage range
• High resolution

Package

The MCP4142T-502E/MS is available in a small MSOP-10 package.

Essence

This product serves as a digitally controlled variable resistor, allowing precise adjustment of resistance values in electronic circuits.

Packaging/Quantity

The MCP4142T-502E/MS is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

• Resistance Range: 0Ω to 5kΩ
• Resolution: 8 bits (256 steps)
• Operating Voltage Range: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Interface: SPI (Serial Peripheral Interface)

Detailed Pin Configuration

1. VDD - Power supply voltage
2. CS - Chip select input
3. SCK - Serial clock input
4. SI - Serial data input
5. SO - Serial data output
6. WP - Write protect input
7. VSS - Ground
8. A - Terminal A of the potentiometer
9. B - Terminal B of the potentiometer
10. W - Wiper terminal of the potentiometer

Functional Features

• Digital control allows precise adjustment of resistance values.
• Non-volatile memory ensures that the resistance setting is retained even when power is removed.
• SPI interface enables easy integration with microcontrollers and other digital systems.
• Low power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range provides flexibility in various electronic circuits.

Advantages and Disadvantages

Advantages

• Precise resistance adjustment
• Non-volatile memory storage
• Low power consumption
• Wide operating voltage range
• Compact package size

Disadvantages

• Limited resolution (8 bits)
• Requires SPI interface for control

Working Principles

The MCP4142T-502E/MS operates by digitally controlling the resistance between terminals A and B using a series of internal switches. The desired resistance value is set through the SPI interface, and the non-volatile memory ensures that the setting is retained even when power is removed. The wiper terminal W allows the user to tap into different points along the potentiometer's resistance range.

Detailed Application Field Plans

The MCP4142T-502E/MS finds applications in various fields, including:

1. Audio Equipment: Precise volume control in amplifiers, mixers, and audio processors.
2. Industrial Control Systems: Adjustable settings in industrial automation and process control systems.
3. Test and Measurement Instruments: Calibration and fine-tuning of measurement devices.
4. Automotive Electronics: Control of lighting intensity, motor speed, and other adjustable parameters.
5. Consumer Electronics: User-adjustable settings in televisions, gaming consoles, and home appliances.

Detailed and Complete Alternative Models

1. MCP4131 - 7-bit digital potentiometer with similar features but lower resolution.
2. MCP4161 - 10-bit digital potentiometer with higher resolution and extended temperature range.
3. MCP4251 - Dual-channel digital potentiometer for applications requiring independent control of two resistors.

This concludes the encyclopedia entry for the MCP4142T-502E/MS digital potentiometer.