MCP4461-104E/ST

Product Overview

Category

The MCP4461-104E/ST belongs to the category of digital potentiometers.

Use

It is primarily used for electronic circuitry and control systems where variable resistance is required.

Characteristics

• Digital control interface
• Non-volatile memory
• Low power consumption
• Wide operating voltage range
• High resolution

Package

The MCP4461-104E/ST is available in a small outline package (SOP) with 14 pins.

Essence

This digital potentiometer provides a compact and versatile solution for controlling resistance in various applications.

Packaging/Quantity

The MCP4461-104E/ST is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

• Resolution: 8 bits
• Number of Channels: 4
• Operating Voltage Range: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• End-to-End Resistance Range: 10kΩ
• Interface: I2C

Detailed Pin Configuration

The MCP4461-104E/ST has 14 pins, which are configured as follows:

1. VDD - Power supply voltage
2. SDA - Serial data input/output for I2C communication
3. SCL - Serial clock input for I2C communication
4. A0 - Address bit 0 for device addressing
5. A1 - Address bit 1 for device addressing
6. A2 - Address bit 2 for device addressing
7. CS - Chip select input for device control
8. VSS - Ground reference voltage
9. W0 - Terminal Wiper 0 for channel 0
10. H0 - Terminal H 0 for channel 0
11. W1 - Terminal Wiper 1 for channel 1
12. H1 - Terminal H 1 for channel 1
13. W2 - Terminal Wiper 2 for channel 2
14. H2 - Terminal H 2 for channel 2

Functional Features

• Non-volatile memory allows the MCP4461-104E/ST to retain its settings even when power is disconnected.
• The digital control interface enables easy integration with microcontrollers and other digital systems.
• Low power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range ensures compatibility with various power supply configurations.
• High resolution provides precise control over resistance values.

Advantages and Disadvantages

Advantages

• Compact size and versatile functionality
• Easy integration with digital systems
• Retains settings without power
• Precise resistance control

Disadvantages

• Limited end-to-end resistance range (10kΩ)
• Requires I2C communication interface

Working Principles

The MCP4461-104E/ST operates by digitally controlling the resistance between its terminals. It utilizes non-volatile memory to store and recall resistance settings, ensuring that the desired resistance value is maintained even after power cycles. The device communicates with external systems through the I2C interface, allowing for easy integration into digital control circuits.

Detailed Application Field Plans

The MCP4461-104E/ST finds applications in various fields, including:

1. Audio Systems: Control volume levels and tone adjustments.
2. Industrial Automation: Adjust resistance in control systems and sensors.
3. Test and Measurement Equipment: Calibrate and fine-tune instrument parameters.
4. Automotive Electronics: Control lighting intensity and motor speed.
5. Consumer Electronics: Adjust brightness and contrast in displays.

Detailed and Complete Alternative Models

1. MCP4011-103E/MS: 8-bit digital potentiometer with 1 channel and a smaller package size.
2. MCP4251-502E/SL: 8-bit digital potentiometer with 2 channels and extended temperature range.
3. MCP4131-103E/P: 8-bit digital potentiometer with 1 channel and parallel interface.

These alternative models offer similar functionality to the MCP4461-104E/ST but may have different specifications or package options.

In conclusion, the MCP4461-104E/ST is a versatile digital potentiometer that provides precise resistance control in various electronic applications. Its compact size, non-volatile memory, and digital control interface make it an ideal choice for circuitry requiring variable resistance.