MCP4451-104E/ST

Product Overview

The MCP4451-104E/ST belongs to the category of digital potentiometers and is commonly used in various electronic applications. This device offers unique characteristics, comes in a small package, and provides essential functionality for circuit design. The MCP4451-104E/ST is typically available in a surface-mount package and is sold in quantities suitable for both prototyping and production.

Specifications

• Resolution: 8-bit
• Interface: I2C
• Supply Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Wiper Resistance: 75Ω (typical)

Detailed Pin Configuration

The MCP4451-104E/ST features a standard 8-pin configuration with clearly defined input and output pins. The pinout includes connections for power supply, ground, I2C interface, and the resistor network.

Functional Features

• Digital Control: Allows precise adjustment of resistance values through digital signals.
• Non-Volatile Memory: Retains settings even when power is removed, ensuring consistent performance.
• Low Power Consumption: Ideal for battery-powered applications and energy-efficient designs.

Advantages and Disadvantages

Advantages: - Precise and repeatable resistance adjustments - Compact form factor - Wide operating temperature range

Disadvantages: - Limited resolution compared to higher-bit digital potentiometers - Sensitive to voltage spikes in some applications

Working Principles

The MCP4451-104E/ST operates by digitally controlling the resistance between its terminals, providing a variable output that can be utilized in numerous electronic circuits. Its non-volatile memory ensures that the resistance settings are retained even when the power is turned off, making it suitable for applications requiring consistent performance.

Detailed Application Field Plans

The MCP4451-104E/ST finds extensive use in audio equipment, instrumentation, and industrial control systems. Its ability to provide precise resistance adjustments makes it valuable in applications where analog signal processing or calibration is required.

Detailed and Complete Alternative Models

• MCP4131
• MCP4161
• MCP4261
• MCP4725

In conclusion, the MCP4451-104E/ST digital potentiometer offers a compact and versatile solution for circuit design, with its precise digital control and non-volatile memory capabilities. While it may have limitations in terms of resolution and sensitivity to voltage spikes, its wide application field plans and availability of alternative models make it a valuable component in various electronic systems.

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