MCP4141-104E/MS

Product Overview

Category

The MCP4141-104E/MS belongs to the category of digital potentiometers.

Use

It is commonly used in electronic circuits for controlling resistance values digitally.

Characteristics

• Digital control of resistance
• Compact package size
• High resolution and accuracy
• Low power consumption

Package

The MCP4141-104E/MS is available in a small MSOP-10 package.

Essence

This product serves as a replacement for traditional mechanical potentiometers, offering precise and programmable resistance control.

Packaging/Quantity

The MCP4141-104E/MS is typically packaged in reels containing 2500 units.

Specifications

• Resolution: 8 bits
• Resistance Range: 0Ω to 10kΩ
• Supply Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Non-Volatile Memory: Yes
• 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 for precise adjustment of resistance values.
• Non-volatile memory retains settings even when power is disconnected.
• SPI interface enables easy integration with microcontrollers and other digital systems.
• Low power consumption makes it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• High resolution and accuracy
• Compact package size
• Programmable resistance control
• Non-volatile memory for retaining settings

Disadvantages

• Limited resistance range (0Ω to 10kΩ)
• Requires an external microcontroller or digital system for control

Working Principles

The MCP4141-104E/MS utilizes a combination of digital logic and resistive elements to achieve precise resistance control. The digital signals received through the SPI interface are converted into corresponding resistance values, allowing for accurate adjustment of the potentiometer's wiper position.

Detailed Application Field Plans

The MCP4141-104E/MS finds applications in various fields, including:

1. Audio Equipment: Precise volume control in amplifiers and audio mixers.
2. Industrial Automation: Adjustable resistance for calibration and control purposes.
3. Test and Measurement Instruments: Fine-tuning of signal levels and calibration.
4. Consumer Electronics: Digital control of brightness, contrast, and other parameters.
5. Automotive Electronics: Control of various electrical systems and sensors.

Detailed and Complete Alternative Models

1. MCP41010: 8-bit digital potentiometer with a resistance range of 0Ω to 10kΩ.
2. MCP4161: 7-bit digital potentiometer with a resistance range of 0Ω to 10kΩ.
3. MCP4251: 8-bit dual-channel digital potentiometer with a resistance range of 0Ω to 10kΩ.
4. MCP4131: 8-bit digital potentiometer with a resistance range of 0Ω to 100kΩ.

In conclusion, the MCP4141-104E/MS is a versatile digital potentiometer offering high resolution, accuracy, and programmable resistance control. Its compact size and low power consumption make it suitable for various applications in different industries.