MCP4261-503E/P

Product Overview

Category

The MCP4261-503E/P 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
• Non-volatile memory for storing settings

Package

The MCP4261-503E/P is available in a small form factor package, making it suitable for space-constrained applications.

Essence

The essence of the MCP4261-503E/P lies in its ability to provide precise digital control over resistance values, offering flexibility and convenience in various electronic circuits.

Packaging/Quantity

This product 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
• Number of Channels: 2
• Interface: SPI (Serial Peripheral Interface)
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP4261-503E/P has the following pin configuration:

1. VDD - Power supply voltage input
2. VSS - Ground reference
3. CS - Chip select input for SPI communication
4. SCK - Serial clock input for SPI communication
5. SDI - Serial data input for SPI communication
6. SDO - Serial data output for SPI communication
7. A - Terminal A of the first channel
8. B - Terminal B of the first channel
9. W - Wiper terminal of the first channel
10. H - Terminal H of the second channel
11. G - Terminal G of the second channel
12. W - Wiper terminal of the second channel

Functional Features

• Digital control of resistance values
• Non-volatile memory for storing settings
• SPI interface for easy integration with microcontrollers
• Low power consumption for energy-efficient applications
• High resolution and accuracy for precise control

Advantages and Disadvantages

Advantages

• Provides digital control over resistance, offering flexibility in circuit design
• Non-volatile memory ensures that settings are retained even when power is disconnected
• Compact package size allows for space-saving integration
• High resolution and accuracy enable precise control over resistance values
• Low power consumption makes it suitable for battery-powered devices

Disadvantages

• Limited resistance range compared to some other digital potentiometers
• Requires an SPI interface for communication, which may add complexity to the circuit design

Working Principles

The MCP4261-503E/P operates by using a combination of resistive elements and electronic switches. The digital control signals received through the SPI interface determine the position of the wiper terminal, effectively changing the resistance value between the A and B terminals. The non-volatile memory ensures that the resistance settings are retained even when power is disconnected.

Detailed Application Field Plans

The MCP4261-503E/P finds applications in various fields, including:

1. Audio Equipment: Used for volume control and tone adjustment.
2. Industrial Automation: Enables precise control of parameters in industrial processes.
3. Test and Measurement Instruments: Provides programmable resistance for calibration purposes.
4. Automotive Electronics: Used in vehicle systems for sensor calibration and control.
5. Consumer Electronics: Integrated into devices for user-adjustable settings.

Detailed and Complete Alternative Models

1. MCP4131-103E/P: 10kΩ digital potentiometer with 8-bit resolution and single-channel configuration.
2. MCP4251-502E/P: 5kΩ digital potentiometer with 8-bit resolution and dual-channel configuration.
3. MCP4161-503E/P: 50kΩ digital potentiometer with 10-bit resolution and single-channel configuration.
4. MCP4201-502E/P: 2kΩ digital potentiometer with 8-bit resolution and dual-channel configuration.

These alternative models offer different resistance ranges, resolutions, and channel configurations to suit specific application requirements.

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