MCP4351-502E/ST

Product Overview

The MCP4351-502E/ST belongs to the category of digital potentiometers and is commonly used in electronic circuits for controlling resistance values digitally. This device offers characteristics such as compact size, low power consumption, and high resolution. It is typically available in a small package and is essential for applications requiring precise resistance adjustments. The MCP4351-502E/ST is usually sold in tape and reel packaging with a specific quantity per reel.

Specifications

• Resolution: 8-bit
• Interface: SPI
• Supply Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Package Type: SOT-23

Detailed Pin Configuration

The MCP4351-502E/ST features a standard 6-pin SOT-23 package with the following pin configuration: 1. A terminal 2. B terminal 3. Wiper terminal 4. Chip select (CS) 5. Serial clock (SCK) 6. Serial data input (SDI)

Functional Features

• Digital control of resistance
• Non-volatile memory for wiper position storage
• Low temperature coefficient
• Wide operating voltage range

Advantages and Disadvantages

Advantages: - Precise digital control - Compact size - Low power consumption

Disadvantages: - Limited resolution compared to higher-bit digital potentiometers - Limited maximum resistance value

Working Principles

The MCP4351-502E/ST operates by utilizing digital signals to control the resistance value between its A and B terminals. This is achieved through the manipulation of the wiper terminal, allowing for precise adjustments to the resistance without the need for mechanical components.

Detailed Application Field Plans

The MCP4351-502E/ST is commonly used in various applications, including: - Audio equipment for volume control - Instrumentation and measurement devices - Programmable voltage references - Industrial automation systems

Detailed and Complete Alternative Models

Some alternative models to the MCP4351-502E/ST include: - MCP4131 - MCP4161 - MCP4011

In conclusion, the MCP4351-502E/ST digital potentiometer offers a compact and efficient solution for digital resistance control in various electronic applications, despite its limitations in resolution and maximum resistance value.

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