MCP4261T-503E/ML

Product Overview

Category

The MCP4261T-503E/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
• Low power consumption
• Wide operating voltage range
• High resolution

Package

The MCP4261T-503E/ML comes in a small form factor package, suitable for surface mount technology (SMT) applications.

Essence

The essence of the MCP4261T-503E/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
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage Range: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP4261T-503E/ML has a total of 14 pins, which are as follows:

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. WP - Write protect input
8. A - Terminal A of channel 1
9. B - Terminal B of channel 1
10. W - Wiper terminal of channel 1
11. H - Terminal A of channel 2
12. G - Terminal B of channel 2
13. W - Wiper terminal of channel 2
14. VREF - Reference voltage input

Functional Features

• Non-volatile memory allows for the retention of resistance settings even when power is removed.
• SPI interface enables easy digital control and communication with microcontrollers or other devices.
• High resolution provides precise resistance adjustments, allowing for fine-tuning in various applications.
• Wide operating voltage range ensures compatibility with different power supply systems.
• Low power consumption makes it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• Precise and programmable resistance adjustments
• Non-volatile memory for retaining settings
• Easy digital control interface
• Wide operating voltage range
• Low power consumption

Disadvantages

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

Working Principles

The MCP4261T-503E/ML utilizes a combination of digital control and analog circuitry to achieve variable resistance adjustments. The digital potentiometer internally consists of resistive elements and switches that are controlled by the digital interface. When a specific resistance value is programmed, the corresponding switches are activated, resulting in the desired resistance between the wiper terminal and the end terminals.

Detailed Application Field Plans

The MCP4261T-503E/ML finds applications in various fields, including:

1. Audio Systems: Volume control, tone adjustment, and equalization circuits.
2. Industrial Automation: Variable resistance for calibration, feedback control, and signal conditioning.
3. Test and Measurement Equipment: Programmable resistance for simulating different load conditions.
4. Automotive Electronics: Adjustable resistance for sensor calibration and control systems.
5. Consumer Electronics: Digital control of resistance in user-adjustable settings.

Detailed and Complete Alternative Models

1. MCP4131-103E/P - 8-bit digital potentiometer with a resistance range of 0Ω to 10kΩ.
2. MCP4251-103E/P - Dual-channel digital potentiometer with similar specifications and features.
3. MCP4161T-503E/ML - Higher resolution (10-bit) digital potentiometer with extended temperature range.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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