MCP4361-104E/ST

Product Overview

Category

The MCP4361-104E/ST 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
• High resolution and accuracy
• Low power consumption
• Compact package size
• Wide operating voltage range

Package

The MCP4361-104E/ST is available in a small surface-mount package.

Essence

The essence of the MCP4361-104E/ST lies in its ability to replace traditional mechanical potentiometers with a digital alternative, offering greater precision and flexibility in circuit design.

Packaging/Quantity

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

Specifications

• Resolution: 8 bits
• Number of Channels: 4
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage Range: 2.7V to 5.5V
• Resistance Range: 0Ω to 10kΩ
• Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP4361-104E/ST has the following pin configuration:

1. VDD - Power supply voltage
2. VSS - Ground
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. H/L - Hardware lock input

Functional Features

• Non-volatile memory for storing wiper position
• Increment/decrement control for adjusting resistance value
• Software programmable resistance steps
• Multiple channels for independent control
• Write protection and hardware lock options

Advantages and Disadvantages

Advantages

• Precise digital control of resistance
• Eliminates mechanical wear and tear
• Allows for automated adjustment in electronic systems
• Compact size saves board space
• Non-volatile memory retains settings during power-off

Disadvantages

• Limited resolution compared to analog potentiometers
• Higher cost compared to traditional potentiometers
• Requires additional digital interface circuitry

Working Principles

The MCP4361-104E/ST utilizes a combination of digital-to-analog conversion and resistive ladder network techniques. The digital control signals received through the SPI interface are converted into corresponding resistance values, allowing precise adjustment of the wiper position.

Detailed Application Field Plans

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

1. Audio Equipment: Volume control, tone adjustment
2. Industrial Automation: Calibration, parameter adjustment
3. Test and Measurement Instruments: Fine-tuning, signal conditioning
4. Automotive Electronics: Climate control, sensor calibration
5. Consumer Electronics: Display brightness control, user interface adjustment

Detailed and Complete Alternative Models

1. MCP401X - Single-channel digital potentiometer with lower resolution
2. MCP425X - Dual-channel digital potentiometer with higher resolution
3. MCP413X - Single-channel digital potentiometer with integrated EEPROM
4. MCP416X - Dual-channel digital potentiometer with integrated EEPROM

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

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