DAC904EG4

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC904EG4 is a high-performance digital-to-analog converter designed for various applications in the field of audio and video signal processing. It converts digital signals into analog voltage or current outputs, enabling accurate reproduction of digital audio and video content.

Characteristics: - High-resolution conversion - Low distortion and noise levels - Wide dynamic range - Fast settling time - Low power consumption

Package: The DAC904EG4 is available in a small outline package (SOIC) with 16 pins, allowing for easy integration into electronic circuits.

Essence: The essence of the DAC904EG4 lies in its ability to convert digital signals into high-quality analog outputs, providing a crucial link between digital devices and analog systems.

Packaging/Quantity: The DAC904EG4 is typically sold in reels containing 250 units per reel.

Specifications

• Resolution: 12 bits
• Sampling Rate: Up to 100 kHz
• Voltage Reference Range: 2.5V to 5.5V
• Power Supply Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The DAC904EG4 features 16 pins arranged as follows:

1. VREFP: Positive voltage reference input
2. VREFN: Negative voltage reference input
3. AGND: Analog ground
4. OUTA: Analog output A
5. OUTB: Analog output B
6. OUTC: Analog output C
7. OUTD: Analog output D
8. GND: Ground
9. DIN0: Digital input bit 0
10. DIN1: Digital input bit 1
11. DIN2: Digital input bit 2
12. DIN3: Digital input bit 3
13. DIN4: Digital input bit 4
14. DIN5: Digital input bit 5
15. DIN6: Digital input bit 6
16. DIN7: Digital input bit 7

Functional Features

• High-resolution conversion ensures accurate reproduction of digital signals.
• Low distortion and noise levels result in high-fidelity audio and video output.
• Fast settling time allows for rapid response to changes in the input signal.
• Low power consumption makes it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - High-resolution conversion for precise signal reproduction. - Wide dynamic range captures subtle details in audio and video content. - Low distortion and noise levels ensure high-fidelity output. - Fast settling time enables quick response to signal changes. - Low power consumption prolongs battery life in portable devices.

Disadvantages: - Limited sampling rate compared to some higher-end DACs. - Requires external voltage reference for optimal performance.

Working Principles

The DAC904EG4 utilizes a combination of digital circuitry and precision analog components to convert digital signals into analog outputs. It employs a 12-bit digital-to-analog converter, which translates the binary representation of the input signal into corresponding analog voltage or current levels. The voltage reference inputs (VREFP and VREFN) provide the necessary reference voltages for accurate conversion.

Detailed Application Field Plans

The DAC904EG4 finds applications in various fields, including:

1. Audio Systems: Used in audio equipment such as amplifiers, mixers, and digital audio players to convert digital audio signals into analog outputs for speakers or headphones.
2. Video Processing: Integrated into video processors and display devices to convert digital video signals into analog outputs for monitors, televisions, and projectors.
3. Industrial Automation: Employed in industrial control systems to generate analog control signals for actuators, motors, and sensors.
4. Instrumentation: Utilized in test and measurement equipment to generate precise analog signals for calibration and signal generation purposes.

Detailed and Complete Alternative Models

1. DAC902EG4: Similar to the DAC904EG4 but with 10-bit resolution.
2. DAC908EG4: Higher-resolution variant with 16-bit conversion capability.
3. DAC80004: Quad-channel digital-to-analog converter with 14-bit resolution.

These alternative models offer different resolution options and may suit specific application requirements.

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