MCP41050T-I/SN

Product Overview

Category

The MCP41050T-I/SN 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 size
• Low power consumption
• Wide operating voltage range

Package

The MCP41050T-I/SN is available in a small outline integrated circuit (SOIC) package.

Essence

This digital potentiometer serves as a replacement for traditional mechanical potentiometers, providing precise and programmable resistance control.

Packaging/Quantity

The MCP41050T-I/SN is typically packaged in reels containing 2500 units.

Specifications

• Resistance Range: 0Ω to 10kΩ
• Resolution: 8 bits (256 steps)
• Operating Voltage Range: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Interface: Serial Peripheral Interface (SPI)

Detailed Pin Configuration

The MCP41050T-I/SN has a total of 8 pins:

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. Potentiometer Terminal A - One end of the variable resistor

Functional Features

• Digital control of resistance allows for precise adjustment in electronic circuits.
• SPI interface enables easy integration with microcontrollers and other digital devices.
• Non-volatile memory retains the resistance value even when power is disconnected.
• Low power consumption makes it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• Precise and programmable resistance control
• Compact size for space-constrained designs
• Wide operating voltage range allows for versatile applications
• Non-volatile memory ensures resistance value retention

Disadvantages

• Limited resolution compared to higher-bit digital potentiometers
• Lack of physical adjustment knob may not be suitable for certain user interfaces

Working Principles

The MCP41050T-I/SN utilizes a series of resistive elements and switches controlled by digital signals. The resistance value is adjusted by changing the position of the switches, which are controlled through the SPI interface. This digital control eliminates the need for mechanical adjustments and provides precise resistance values.

Detailed Application Field Plans

The MCP41050T-I/SN finds applications in various fields, including:

1. Audio Equipment: Volume control circuits in audio amplifiers and mixers.
2. Industrial Automation: Precise resistance adjustment in control systems.
3. Test and Measurement: Calibration and fine-tuning of test equipment.
4. Automotive Electronics: Control of lighting intensity or motor speed.

Detailed and Complete Alternative Models

1. MCP41100T-I/SN: Similar to MCP41050T-I/SN but with a higher resolution of 10 bits.
2. MCP41310T-I/SN: Offers dual-channel functionality for independent control of two resistors.
3. MCP41610T-I/SN: Provides a higher resistance range of 0Ω to 100kΩ.

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

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