MCP4728A1T-E/UN

Product Overview

Category

The MCP4728A1T-E/UN belongs to the category of digital-to-analog converters (DACs).

Use

It is primarily used for converting digital signals into analog voltages.

Characteristics

• High resolution: The MCP4728A1T-E/UN offers a resolution of up to 12 bits, allowing for precise analog voltage generation.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered applications.
• Small package size: The MCP4728A1T-E/UN comes in a compact package, enabling space-efficient designs.
• Wide voltage range: It supports a wide voltage range, allowing for flexibility in various applications.

Package

The MCP4728A1T-E/UN is available in a small outline SOT-23-6 package.

Essence

The essence of the MCP4728A1T-E/UN lies in its ability to convert digital signals into accurate analog voltages with high resolution and low power consumption.

Packaging/Quantity

This product is typically packaged in reels, with a quantity of 3000 units per reel.

Specifications

• Resolution: Up to 12 bits
• Voltage Range: 0V to VREF
• Operating Voltage: 2.7V to 5.5V
• Power Consumption: 0.4mW (typical)
• I2C Interface: Supports standard and fast mode
• Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP4728A1T-E/UN has six pins arranged as follows:

┌───┐ VDD │1 6│ VOUT SDA │2 5│ GND SCL │3 4│ A0 └───┘

Functional Features

• Quad-channel DAC: The MCP4728A1T-E/UN features four independent DAC channels, allowing for simultaneous voltage generation.
• I2C interface: It utilizes the I2C communication protocol for easy integration with microcontrollers and other digital devices.
• Power-on reset: The device includes a power-on reset circuitry that ensures proper initialization upon power-up.
• Non-volatile memory: The MCP4728A1T-E/UN has integrated non-volatile memory, enabling it to retain settings even after power loss.

Advantages and Disadvantages

Advantages

• High resolution enables precise analog voltage generation.
• Low power consumption makes it suitable for battery-powered applications.
• Compact package size allows for space-efficient designs.
• Wide voltage range provides flexibility in various applications.
• Integrated non-volatile memory ensures settings retention.

Disadvantages

• Limited to quad-channel DAC functionality, may not be suitable for single-channel applications.
• Requires an I2C interface for control, which may add complexity to the system design.

Working Principles

The MCP4728A1T-E/UN operates by receiving digital input data through the I2C interface. This digital data is then converted into corresponding analog voltages using its internal DACs. The generated analog voltages can be used for various purposes such as controlling motor speed, audio signal generation, or sensor calibration.

Detailed Application Field Plans

The MCP4728A1T-E/UN finds applications in various fields, including:

1. Industrial Automation: Used for precise control of analog signals in industrial automation systems.
2. Audio Equipment: Enables accurate generation of analog audio signals in audio equipment.
3. Sensor Calibration: Provides precise voltage references for calibrating sensors in scientific instruments.
4. Motor Control: Used to generate analog control signals for precise motor speed control.
5. Test and Measurement: Enables accurate voltage generation for testing and measurement equipment.

Detailed and Complete Alternative Models

1. MCP4726A1T-E/CH: A similar DAC with two channels instead of four, suitable for applications requiring fewer output channels.
2. MCP4724A1T-E/UN: Another quad-channel DAC with similar features, but with a different package option (DFN-10).

(Note: The above alternative models are provided for reference purposes and may have slight variations in specifications and pin configurations.)

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