MCP41HV31T-103E/ST

Product Overview

Category

The MCP41HV31T-103E/ST belongs to the category of digital potentiometers.

Use

It is primarily used for electronic circuitry and systems that require variable resistance or voltage control.

Characteristics

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

Package

The MCP41HV31T-103E/ST is available in a small outline transistor (SOT) package.

Essence

The essence of this product lies in its ability to provide precise and programmable resistance values, making it suitable for various applications requiring adjustable resistance.

Packaging/Quantity

The MCP41HV31T-103E/ST is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

• Resistance Range: 10 kΩ
• Number of Channels: Single channel
• Interface Type: SPI (Serial Peripheral Interface)
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Resolution: 8 bits

Detailed Pin Configuration

The MCP41HV31T-103E/ST features the following pin configuration:

1. VDD - Power supply voltage input
2. CS - Chip select input
3. SCK - Serial clock input
4. SDI - Serial data input
5. SDO - Serial data output
6. GND - Ground connection
7. H - Terminal A of the potentiometer
8. W - Wiper terminal of the potentiometer
9. L - Terminal B of the potentiometer

Functional Features

• Programmable resistance control
• Non-volatile memory for storing settings
• High voltage tolerance up to 36V
• Low temperature coefficient for accurate performance
• SPI interface for easy integration with microcontrollers

Advantages and Disadvantages

Advantages

• Precise and programmable resistance control
• Compact size for space-constrained applications
• Wide operating temperature range allows for versatile usage
• Non-volatile memory ensures settings are retained even after power loss

Disadvantages

• Limited resolution (8 bits)
• Requires an external microcontroller or SPI interface for control

Working Principles

The MCP41HV31T-103E/ST operates by digitally controlling the resistance value using a series of internal switches. The digital control interface, connected to a microcontroller or other control device, sends commands to adjust the resistance level. These commands are then translated into specific switch configurations, altering the effective resistance between terminals A and B.

Detailed Application Field Plans

The MCP41HV31T-103E/ST finds application in various fields, including:

1. Audio Equipment: Volume control, tone adjustment
2. Industrial Automation: Variable voltage control, calibration
3. Test and Measurement Instruments: Programmable resistance simulation
4. Automotive Electronics: Sensor calibration, adjustable circuitry

Detailed and Complete Alternative Models

1. MCP401X - Lower voltage range, single-channel digital potentiometers
2. MCP42XXX - Higher resolution, dual-channel digital potentiometers
3. MAX548X - Precision digital potentiometers with integrated EEPROM

These alternative models offer different specifications and features to cater to specific application requirements.

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