MCP4361-502E/ST

Product Overview

Category

The MCP4361-502E/ST belongs to the category of digital potentiometers.

Use

It is primarily used for electronic circuitry and system applications where a variable resistance is required.

Characteristics

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

Package

The MCP4361-502E/ST is available in a small surface-mount package, making it suitable for compact designs.

Essence

The essence of the MCP4361-502E/ST 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 2500 units per reel/tube.

Specifications

• Resolution: 8 bits
• Resistance Range: 0Ω to 5kΩ
• 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 MCP4361-502E/ST has a total of 14 pins, which are assigned specific functions as follows:

1. VDD - Power supply voltage
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. H/L - High/Low terminal of the resistor network
9. A - Terminal A of the resistor network
10. B - Terminal B of the resistor network
11. W - Wiper terminal of the resistor network
12. VREF - Reference voltage input
13. VSS - Ground reference
14. VDD - Power supply voltage

Functional Features

• Programmable resistance value
• Non-volatile memory storage for resistance settings
• SPI interface for easy digital control
• High resolution and accuracy for precise adjustments
• Low power consumption for energy-efficient applications

Advantages and Disadvantages

Advantages

• Offers precise and programmable resistance values
• Non-volatile memory ensures resistance settings are retained even when power is lost
• Wide operating voltage range allows for versatile use in various electronic systems
• Compact surface-mount package enables space-saving designs
• High resolution and accuracy provide precise adjustments in circuits

Disadvantages

• Limited to 8-bit resolution, which may not be sufficient for certain high-precision applications
• Requires a microcontroller or other digital control interface for operation

Working Principles

The MCP4361-502E/ST operates by digitally controlling the resistance value through the SPI interface. The desired resistance value is programmed into the non-volatile memory, allowing it to be retained even when power is disconnected. The digital potentiometer then adjusts the resistance between the A and B terminals, providing the desired resistance value at the Wiper terminal.

Detailed Application Field Plans

The MCP4361-502E/ST finds application in various fields, including:

1. Audio Systems: Used for volume control and tone adjustment in audio amplifiers and mixers.
2. Industrial Control: Employed in process control systems for precise resistance adjustments.
3. Test and Measurement Equipment: Utilized for calibration and fine-tuning of test instruments.
4. Automotive Electronics: Integrated into automotive systems for sensor calibration and control.
5. Consumer Electronics: Incorporated in devices such as TVs, gaming consoles, and home appliances for adjustable settings.

Detailed and Complete Alternative Models

1. MCP4011-502E/ST: 8-bit digital potentiometer with a resistance range of 0Ω to 5kΩ.
2. MCP4261-502E/ST: 8-bit dual-channel digital potentiometer with similar specifications.
3. MCP4131-502E/ST: 8-bit digital potentiometer with an extended temperature range.

These alternative models offer similar functionality and can be considered as substitutes for the MCP4361-502E/ST in various applications.

In conclusion, the MCP4361-502E/ST is a digital potentiometer that provides precise and programmable resistance values. With its compact package, wide operating voltage range, and non-volatile memory storage, it offers versatility and convenience in electronic circuitry and system applications.