MCP4361-104E/ML

Product Overview

Category

The MCP4361-104E/ML belongs to the category of digital potentiometers.

Use

It is commonly used in electronic circuits for controlling resistance values digitally.

Characteristics

• Digital control interface
• Wide resistance range
• High resolution
• Low power consumption
• Compact package size

Package

The MCP4361-104E/ML is available in a small form factor package, making it suitable for space-constrained applications.

Essence

This digital potentiometer offers a convenient and precise method of adjusting resistance values in electronic circuits.

Packaging/Quantity

The MCP4361-104E/ML is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

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

Detailed Pin Configuration

The MCP4361-104E/ML has a total of 14 pins, each serving a specific function. The pin configuration is 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. RST - Reset input
8. A0 - Address bit 0
9. A1 - Address bit 1
10. A2 - Address bit 2
11. HIZ - High impedance terminal
12. B - Terminal B of the potentiometer
13. W - Wiper terminal of the potentiometer
14. A - Terminal A of the potentiometer

Functional Features

• Digital control allows precise adjustment of resistance values.
• SPI interface enables easy integration with microcontrollers and other digital systems.
• Non-volatile memory retains settings even when power is disconnected.
• Low power consumption makes it suitable for battery-powered devices.
• High resolution provides fine-grained adjustment capabilities.

Advantages and Disadvantages

Advantages

• Precise and accurate resistance adjustment
• Compact size for space-constrained applications
• Easy integration with digital systems
• Non-volatile memory for retaining settings
• Low power consumption

Disadvantages

• Limited resistance range compared to some analog potentiometers
• Requires digital control interface, which may not be suitable for all applications

Working Principles

The MCP4361-104E/ML operates by digitally controlling the resistance between its terminal A and terminal B. The resistance value is adjusted by changing the position of the wiper terminal W along the resistive element. This movement is controlled through the SPI interface, allowing for precise and repeatable adjustments.

Detailed Application Field Plans

The MCP4361-104E/ML finds applications in various fields, including:

1. Audio Equipment: Used for volume control and tone adjustment in amplifiers, mixers, and audio processors.
2. Industrial Automation: Employed in control systems for setting reference voltages, gain control, and calibration.
3. Test and Measurement Instruments: Utilized for calibrating signal generators, attenuators, and programmable loads.
4. Consumer Electronics: Integrated into devices such as TVs, set-top boxes, and gaming consoles for user-controlled settings.
5. Automotive Electronics: Incorporated in automotive audio systems, climate control units, and dashboard controls.

Detailed and Complete Alternative Models

1. MCP4131-103E/ML: Similar to MCP4361-104E/ML but with a lower resistance range of 0Ω to 1kΩ.
2. MCP4251-502E/ML: Offers a higher resolution of 10 bits (1024 steps) for more precise adjustments.
3. MCP4161-503E/ML: Provides a wider resistance range of 0Ω to 50kΩ for applications requiring higher values.

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

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