DAC7802LU/1K

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC7802LU/1K is a high-performance, 12-bit digital-to-analog converter designed for precision applications. It converts digital input signals into analog output voltages with exceptional accuracy and linearity.

Characteristics: - High resolution: 12-bit resolution provides fine-grained control over the analog output. - Low power consumption: The DAC7802LU/1K operates at low power levels, making it suitable for battery-powered devices. - Fast settling time: The device offers fast settling time, ensuring quick response to changes in the digital input. - Wide voltage range: The DAC7802LU/1K can operate over a wide voltage range, making it compatible with various systems. - Low glitch energy: The device minimizes glitches during transitions, resulting in smooth and accurate analog output.

Package: The DAC7802LU/1K is available in a small form factor package, allowing for easy integration into compact designs.

Essence: The DAC7802LU/1K is an essential component in systems requiring precise analog output control. It enables digital signals to be converted into corresponding analog voltages with high accuracy.

Packaging/Quantity: The DAC7802LU/1K is typically packaged in reels or tubes, with a quantity of 1000 units per package.

Specifications

• Resolution: 12 bits
• Output Voltage Range: 0V to Vref
• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Settling Time: 10µs (typical)
• Power Consumption: 1.5mW (typical)

Pin Configuration

The DAC7802LU/1K features a 16-pin package with the following pin configuration:

1. VDD - Supply Voltage
2. VREF - Reference Voltage
3. AGND - Analog Ground
4. AOUT - Analog Output
5. DIN - Digital Input
6. SCLK - Serial Clock Input
7. SYNC - Chip Select Input
8. DGND - Digital Ground
9. NC - No Connection
10. NC - No Connection
11. NC - No Connection
12. NC - No Connection
13. NC - No Connection
14. NC - No Connection
15. NC - No Connection
16. VSS - Ground

Functional Features

• High-resolution digital-to-analog conversion.
• Serial interface for easy integration with microcontrollers and other digital systems.
• Internal reference voltage for simplified system design.
• Power-down mode for reduced power consumption during idle periods.
• Fast settling time for rapid response to input changes.

Advantages and Disadvantages

Advantages: - High resolution allows for precise analog output control. - Low power consumption makes it suitable for battery-powered devices. - Wide voltage range compatibility enhances versatility. - Fast settling time ensures quick response to input changes. - Low glitch energy minimizes output signal disturbances.

Disadvantages: - Limited output voltage range compared to some other DACs. - Requires an external reference voltage for operation.

Working Principles

The DAC7802LU/1K operates by converting digital input signals into corresponding analog voltages using a 12-bit digital-to-analog conversion technique. The digital input is provided through the DIN pin, and the desired analog output voltage is generated at the AOUT pin. The device utilizes an internal reference voltage (VREF) to determine the output voltage level.

Detailed Application Field Plans

The DAC7802LU/1K finds applications in various fields, including: - Industrial automation and control systems - Test and measurement equipment - Audio processing and synthesis - Programmable logic controllers (PLCs) - Data acquisition systems - Motor control systems

Detailed and Complete Alternative Models

1. DAC7821LU/1K: 12-bit digital-to-analog converter with enhanced features.
2. DAC7811LU/1K: 10-bit digital-to-analog converter for cost-sensitive applications.
3. DAC7841LU/1K: 14-bit digital-to-analog converter with higher resolution.

These alternative models offer different resolutions and additional features to cater to specific application requirements.

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