MCP4461-103E/ST

Product Overview

Category

The MCP4461-103E/ST belongs to the category of digital potentiometers.

Use

It is primarily used as a variable resistor in electronic circuits.

Characteristics

• Digital control interface
• Non-volatile memory for storing settings
• Low power consumption
• Wide operating voltage range
• High resolution and accuracy

Package

The MCP4461-103E/ST comes in a small surface-mount package.

Essence

The essence of this product lies in its ability to provide precise and programmable resistance values in various electronic applications.

Packaging/Quantity

The MCP4461-103E/ST is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

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

Detailed Pin Configuration

The MCP4461-103E/ST has a total of 8 pins:

1. VDD: Power supply input
2. VSS: Ground reference
3. SDA: Serial data input/output (I2C)
4. SCL: Serial clock input (I2C)
5. A0: Address selection bit 0
6. A1: Address selection bit 1
7. W: Write protect input
8. RST: Reset input

Functional Features

• Programmable resistance value
• Non-volatile memory for storing settings
• Increment/decrement control
• Write protection feature
• Reset functionality

Advantages and Disadvantages

Advantages

• Precise and accurate resistance control
• Easy integration into digital circuits
• Non-volatile memory ensures settings are retained even after power loss
• Low power consumption

Disadvantages

• Limited resolution compared to higher-bit digital potentiometers
• Restricted resistance range (up to 10kΩ)

Working Principles

The MCP4461-103E/ST operates by digitally controlling the resistance value using an I2C interface. The desired resistance is programmed into the device, which then adjusts its internal resistive elements accordingly. The non-volatile memory ensures that the programmed settings are retained, even when power is removed.

Detailed Application Field Plans

The MCP4461-103E/ST finds applications in various fields, including:

1. Audio equipment: Volume control, tone adjustment
2. Instrumentation: Calibration, signal conditioning
3. Industrial automation: Process control, variable gain amplifiers
4. Communication systems: Signal attenuation, impedance matching

Detailed and Complete Alternative Models

1. MCP401X: 6-bit digital potentiometer with similar features but lower resolution.
2. MCP425X: 7-bit digital potentiometer with extended resistance range.
3. MCP413X: 8-bit digital potentiometer with additional features like shutdown mode.

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

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