MCP4641-104E/ST

Product Overview

Category

The MCP4641-104E/ST belongs to the category of digital potentiometers.

Use

It is primarily used as a programmable resistor in various electronic circuits.

Characteristics

• Digital control interface
• Non-volatile memory for storing settings
• Low power consumption
• Wide operating voltage range
• Small package size

Package

The MCP4641-104E/ST is available in a small surface mount package.

Essence

The essence of the MCP4641-104E/ST lies in its ability to replace traditional mechanical potentiometers with a digitally controlled alternative, offering greater precision and flexibility.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 or 3000 units per package.

Specifications

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

Detailed Pin Configuration

The MCP4641-104E/ST has the following pin configuration:

1. VDD: Power supply voltage
2. SDA: Serial data input/output
3. SCL: Serial clock input
4. A0: Address selection bit
5. VSS: Ground

Functional Features

• Programmable resistance value
• Non-volatile memory for storing settings
• Ability to adjust resistance digitally
• High resolution for precise control
• Compatibility with I2C interface

Advantages and Disadvantages

Advantages

• Precise and accurate resistance control
• Easy integration into digital circuits
• Non-volatile memory ensures settings are retained
• Compact size saves board space
• Low power consumption

Disadvantages

• Limited resistance range compared to traditional potentiometers
• Requires digital control interface for adjustment

Working Principles

The MCP4641-104E/ST operates by digitally controlling the resistance value using an internal digital-to-analog converter (DAC). The desired resistance is set through the I2C interface, and the non-volatile memory ensures that the settings are retained even when power is removed.

Detailed Application Field Plans

The MCP4641-104E/ST finds applications in various fields, including:

1. Audio equipment: Used for volume control and tone adjustment.
2. Industrial automation: Provides programmable resistance for calibration and control purposes.
3. Test and measurement instruments: Enables precise resistance adjustments for accurate measurements.
4. Communication systems: Used in signal conditioning and impedance matching circuits.

Detailed and Complete Alternative Models

Some alternative models to the MCP4641-104E/ST include:

1. MCP41010: 8-bit digital potentiometer with single channel and SPI interface.
2. AD8400: 8-bit digital potentiometer with dual channels and I2C interface.
3. MAX5481: 10-bit digital potentiometer with single channel and SPI interface.
4. DS1803: 7-bit digital potentiometer with dual channels and I2C interface.

These alternative models offer similar functionality but may have different specifications and package options.

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