MCP4461T-503E/ST

Product Overview

Category: Integrated Circuit (IC)

Use: Digital Potentiometer

Characteristics: - 8-bit resolution - Non-volatile memory - I2C interface - Low power consumption - Wide operating voltage range

Package: TSSOP-14

Essence: The MCP4461T-503E/ST is a digital potentiometer IC that provides a variable resistance in electronic circuits. It is designed to replace traditional mechanical potentiometers and offers greater flexibility and control.

Packaging/Quantity: The MCP4461T-503E/ST is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Resolution: 8 bits
• Number of Channels: 1
• Resistance Range: 0Ω to 10kΩ
• Operating Voltage Range: 2.7V to 5.5V
• Interface: I2C
• Temperature Range: -40°C to +125°C

Pin Configuration

The MCP4461T-503E/ST has a total of 14 pins in the TSSOP package. The pin configuration is as follows:

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| | | 1 14| --| VDD VSS|-- --| SDA SCL|-- --| A0 A1 |-- --| WP B |-- --| W CS |-- --| H GND|-- |___________| ```

Functional Features

• Non-volatile Memory: The MCP4461T-503E/ST retains its settings even when power is removed, allowing for easy restoration of previous configurations.
• I2C Interface: The IC communicates using the I2C protocol, enabling easy integration into digital systems.
• Low Power Consumption: The MCP4461T-503E/ST operates with low power consumption, making it suitable for battery-powered applications.
• Wide Operating Voltage Range: It can operate within a wide voltage range, providing flexibility in various electronic circuits.

Advantages and Disadvantages

Advantages: - Digital control allows for precise adjustments and eliminates the need for mechanical components. - Non-volatile memory ensures settings are retained even after power loss. - I2C interface simplifies integration into digital systems. - Low power consumption extends battery life. - Wide operating voltage range provides versatility.

Disadvantages: - Limited to 8-bit resolution, which may not be sufficient for some high-precision applications. - Single-channel configuration limits simultaneous control of multiple parameters.

Working Principles

The MCP4461T-503E/ST functions as a variable resistor by digitally controlling the resistance between its terminals. It utilizes non-volatile memory to store the resistance value, allowing for easy recall of previous settings. The IC communicates with the system controller through the I2C interface, enabling precise adjustments to the resistance value.

Detailed Application Field Plans

The MCP4461T-503E/ST finds applications in various fields, including:

1. Audio Systems: It can be used to control volume levels or tone adjustments in audio amplifiers or mixers.
2. Industrial Control: The IC enables precise control of parameters such as motor speed or light intensity in industrial automation systems.
3. Test and Measurement Equipment: It can be utilized in calibration or signal conditioning circuits to provide adjustable resistance values.
4. Consumer Electronics: The MCP4461T-503E/ST can be integrated into devices like TVs, gaming consoles, or smart home appliances to control various parameters.

Detailed and Complete Alternative Models

1. MCP401X: 6-bit digital potentiometer with similar features but lower resolution.
2. MCP425X: Dual-channel digital potentiometer with 8-bit resolution and I2C interface.
3. MAX548X: Digital potentiometer series with higher resolution options (10-bit or 12-bit) and SPI interface.

These alternative models offer different specifications and features, allowing users to choose the most suitable option for their specific application requirements.

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