MCP4451-502E/ST

Product Overview

Category

The MCP4451-502E/ST belongs to the category of digital potentiometers.

Use

It is used as a digitally controlled variable resistor in various electronic circuits and systems.

Characteristics

• Digital control interface
• Wide resistance range
• Low power consumption
• Small package size

Package

The MCP4451-502E/ST is available in a small outline 8-lead (SOIC) package.

Essence

The essence of this product lies in its ability to provide precise digital control over resistance values in electronic circuits.

Packaging/Quantity

The MCP4451-502E/ST is typically packaged in reels with a quantity of 2500 units per reel.

Specifications

• Resistance Range: 0Ω to 50kΩ
• Number of Channels: 1
• Interface: I2C
• Operating Voltage: 2.7V to 5.5V
• Power Consumption: 7µA (typical)

Detailed Pin Configuration

The MCP4451-502E/ST features the following pin configuration: 1. VDD - Power supply input 2. SDA - Serial data input/output 3. SCL - Serial clock input 4. A - Terminal A of the potentiometer 5. W - Wiper terminal of the potentiometer 6. B - Terminal B of the potentiometer 7. VSS - Ground 8. NC - Not connected

Functional Features

• Non-volatile memory for wiper position storage
• Resistor network temperature compensation
• Software shutdown feature for low-power consumption

Advantages and Disadvantages

Advantages

• Precise digital control
• Low power consumption
• Compact package size

Disadvantages

• Limited maximum resistance value
• Sensitivity to electrostatic discharge

Working Principles

The MCP4451-502E/ST operates by digitally controlling the position of the wiper within the resistor network, effectively changing the resistance value between the A and B terminals.

Detailed Application Field Plans

The MCP4451-502E/ST finds applications in various fields including: - Audio equipment for volume control - Instrumentation and measurement systems - Programmable voltage references - Industrial automation and control systems

Detailed and Complete Alternative Models

Some alternative models to the MCP4451-502E/ST include: - MCP4011 - AD8403 - MAX5481

In conclusion, the MCP4451-502E/ST digital potentiometer offers precise digital control over resistance values in a compact package, making it suitable for a wide range of electronic applications.

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