MCP4261-103E/ML

Product Overview

Category

The MCP4261-103E/ML belongs to the category of digital potentiometers.

Use

It is primarily used for electronic circuitry and systems that require variable resistance adjustments.

Characteristics

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

Package

The MCP4261-103E/ML comes in a small outline package (SOIC) with 8 pins.

Essence

The essence of the MCP4261-103E/ML lies in its ability to provide precise and programmable resistance values in electronic circuits.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Resolution: 8 bits
• Number of Channels: Dual-channel
• Resistance Range: 0Ω to 10kΩ
• Operating Voltage Range: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Interface: SPI (Serial Peripheral Interface)
• Memory Type: Non-volatile EEPROM

Detailed Pin Configuration

The MCP4261-103E/ML has the following pin configuration:

1. VDD - Power supply voltage input
2. CS - Chip select input for SPI communication
3. SCK - Serial clock input for SPI communication
4. SDI - Serial data input for SPI communication
5. SDO - Serial data output for SPI communication
6. A - Terminal A of the potentiometer
7. B - Terminal B of the potentiometer
8. GND - Ground reference

Functional Features

• Programmable resistance adjustment
• Non-volatile memory storage for retaining settings
• SPI interface for easy communication with microcontrollers
• Dual-channel configuration for independent control of two potentiometers

Advantages and Disadvantages

Advantages

• Precise resistance adjustment
• Low power consumption
• Compact package size
• Wide operating voltage range
• Non-volatile memory storage for retaining settings

Disadvantages

• Limited resolution (8 bits)
• Restricted resistance range (0Ω to 10kΩ)

Working Principles

The MCP4261-103E/ML utilizes digital potentiometer technology to adjust resistance values. It employs a non-volatile EEPROM memory to store the resistance settings, ensuring that the desired resistance values are retained even after power cycles. The SPI interface allows for easy communication with microcontrollers, enabling precise and programmable resistance adjustments.

Detailed Application Field Plans

The MCP4261-103E/ML finds applications in various fields, including:

1. Audio Equipment: Volume control, tone adjustment
2. Industrial Automation: Calibration, process control
3. Test and Measurement Instruments: Signal conditioning, calibration
4. Automotive Electronics: Climate control, lighting control
5. Consumer Electronics: Display brightness control, user interface adjustment

Detailed and Complete Alternative Models

1. MCP4131-103E/ML: Single-channel digital potentiometer with similar specifications.
2. MCP4251-103E/ML: Quad-channel digital potentiometer with similar specifications.
3. MCP4461-103E/ML: Dual-channel digital potentiometer with higher resolution (10 bits).

These alternative models provide similar functionality and can be considered as alternatives to the MCP4261-103E/ML based on specific requirements.

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