MCP41HV51T-503E/ST

Product Overview

Category

The MCP41HV51T-503E/ST belongs to the category of digital potentiometers.

Use

It is primarily used as a variable resistor in electronic circuits, providing a digitally controlled resistance value.

Characteristics

• High voltage capability
• Digital control interface
• Low power consumption
• Wide operating temperature range

Package

The MCP41HV51T-503E/ST is available in a small surface mount package.

Essence

This digital potentiometer serves as a replacement for traditional mechanical potentiometers, offering precise and reliable resistance adjustment.

Packaging/Quantity

The MCP41HV51T-503E/ST is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Resistance Range: 0Ω to 50kΩ
• Resolution: 8 bits (256 steps)
• Supply Voltage: 2.7V to 5.5V
• Operating 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. GND: Ground connection
7. A Terminal: One end of the potentiometer
8. W Terminal: Wiper terminal of the potentiometer
9. B Terminal: Other end of the potentiometer

Functional Features

• Non-volatile memory: The MCP41HV51T-503E/ST retains its resistance setting even when power is removed.
• Increment/Decrement control: Allows for easy adjustment of resistance value.
• Low power consumption: Ideal for battery-powered applications.
• High voltage capability: Can handle voltages up to 36V.

Advantages and Disadvantages

Advantages

• Precise resistance control
• Compact size
• Non-volatile memory
• Wide operating temperature range

Disadvantages

• Limited resolution compared to higher-bit digital potentiometers
• Requires an SPI interface for control

Working Principles

The MCP41HV51T-503E/ST utilizes a series of resistive elements and switches controlled by digital signals. The resistance value is adjusted by changing the position of the wiper terminal along the resistive track. This adjustment is achieved through the SPI interface, which sends commands to increment or decrement the resistance value.

Detailed Application Field Plans

The MCP41HV51T-503E/ST finds application in various fields, including:

1. Audio Equipment: Used for volume control and tone adjustment in amplifiers and audio mixers.
2. Industrial Automation: Provides precise resistance control in industrial control systems.
3. Test and Measurement Instruments: Enables calibration and fine-tuning of measurement equipment.
4. Automotive Electronics: Used in automotive climate control systems and lighting controls.

Detailed and Complete Alternative Models

1. MCP4131-103E/P: 10kΩ digital potentiometer with 8-bit resolution.
2. MCP4161-502E/P: 5kΩ digital potentiometer with 8-bit resolution and non-volatile memory.
3. MCP4251-502E/P: 5kΩ dual-channel digital potentiometer with 8-bit resolution.

(Note: These alternative models are provided as examples and may not cover all available options.)

In conclusion, the MCP41HV51T-503E/ST is a versatile digital potentiometer offering precise resistance control, high voltage capability, and low power consumption. Its compact size and non-volatile memory make it suitable for various applications in different industries.