MCP41HV31-104E/MQ

Product Overview

Category

The MCP41HV31-104E/MQ belongs to the category of digital potentiometers.

Use

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

Characteristics

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

Package

The MCP41HV31-104E/MQ is available in a compact MQ package.

Essence

This digital potentiometer provides precise and reliable control over resistance values in electronic circuits.

Packaging/Quantity

The MCP41HV31-104E/MQ is typically packaged in reels, with a quantity of 2500 units per reel.

Specifications

• Operating Voltage Range: 2.7V to 5.5V
• Resistance Range: 10kΩ
• Resolution: 8 bits
• Temperature Range: -40°C to +125°C
• Interface: SPI (Serial Peripheral Interface)
• Memory Type: Non-volatile EEPROM

Detailed Pin Configuration

The MCP41HV31-104E/MQ features a total of 14 pins, each serving a specific function:

1. VDD: Power supply voltage input
2. VSS: Ground reference
3. CS: Chip select input
4. SCK: Serial clock input
5. SDI: Serial data input
6. SDO: Serial data output
7. SHDN: Shutdown control input
8. A0-A7: Address inputs
9. WP: Write protect input
10. HIZ: High impedance terminal
11. B: Terminal B of the potentiometer
12. W: Wiper terminal of the potentiometer
13. A: Terminal A of the potentiometer
14. VREG: Voltage reference output

Functional Features

• Digital control interface allows for easy integration into digital systems
• Wide operating voltage range enables compatibility with various power supply configurations
• Low power consumption ensures energy efficiency
• High resolution provides precise resistance control
• Non-volatile memory retains settings even when power is disconnected
• Small package size allows for space-saving designs

Advantages and Disadvantages

Advantages

• Precise resistance control
• Easy integration into digital systems
• Energy-efficient operation
• Retains settings without power
• Compact design

Disadvantages

• Limited resistance range (10kΩ)
• Requires SPI interface for control

Working Principles

The MCP41HV31-104E/MQ operates by digitally controlling the resistance between terminals A and B using a potentiometer. The desired resistance value is set through the SPI interface, which communicates with the internal non-volatile memory. The potentiometer's wiper terminal (W) adjusts the resistance based on the digital control input, allowing for precise resistance control in electronic circuits.

Detailed Application Field Plans

The MCP41HV31-104E/MQ finds applications in various fields, including:

1. Audio Systems: Precise volume control in audio amplifiers and mixers.
2. Industrial Automation: Resistance adjustment in control systems and instrumentation.
3. Automotive Electronics: Fine-tuning of circuit parameters in automotive control units.
4. Consumer Electronics: Control of brightness or contrast in displays and monitors.
5. Medical Devices: Resistance adjustment in medical equipment for accurate measurements.

Detailed and Complete Alternative Models

1. MCP4131-103E/P: 10kΩ digital potentiometer with similar specifications and package options.
2. MCP4161-503E/P: 50kΩ digital potentiometer with comparable features and pin configuration.
3. MCP4251-103E/P: 10kΩ digital potentiometer with additional features such as dual-channel control.

(Note: These alternative models are provided for reference and may have slight variations in specifications and package options.)

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