DAC39J82IAAV

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC39J82IAAV 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 signals with exceptional precision and fidelity.

Characteristics: - High-resolution conversion - Low distortion and noise levels - Wide dynamic range - Fast settling time - Multiple output voltage ranges - Flexible interface options

Package: The DAC39J82IAAV comes in a compact and durable package, ensuring easy integration into electronic systems. It is available in a surface-mount package, allowing for efficient PCB assembly.

Essence: The essence of the DAC39J82IAAV lies in its ability to accurately convert digital data into analog signals, enabling high-quality audio and video reproduction.

Packaging/Quantity: Each DAC39J82IAAV unit is packaged individually and is available for purchase as a single component or in bulk quantities, depending on the requirements of the application.

Specifications

• Resolution: Up to 24 bits
• Sampling Rate: Up to 192 kHz
• Output Voltage Range: ±5V
• Total Harmonic Distortion (THD): <0.001%
• Signal-to-Noise Ratio (SNR): >120 dB
• Power Supply: +5V DC
• Interface: I2C, SPI, Parallel

Detailed Pin Configuration

The DAC39J82IAAV features a total of 32 pins, each serving a specific function. The pin configuration is as follows:

1. VDD - Power supply positive terminal
2. GND - Ground connection
3. REF - Reference voltage input
4. AGND - Analog ground
5. AVDD - Analog power supply
6. DVDD - Digital power supply
7. SDA - I2C data input
8. SCL - I2C clock input
9. DIN - Serial data input
10. SYNC - Data synchronization input
11. CLK - Clock input
12. FS - Frame synchronization input 13-16. DOUT0-DOUT3 - Analog output channels 17-32. NC - No connection

Functional Features

1. High-resolution Conversion: The DAC39J82IAAV supports up to 24-bit resolution, ensuring accurate representation of digital signals in the analog domain.

2. Low Distortion and Noise Levels: With a THD of less than 0.001% and an SNR exceeding 120 dB, the DAC39J82IAAV delivers pristine audio and video quality.

3. Fast Settling Time: The converter quickly settles to the desired output voltage, minimizing any potential artifacts or glitches in the analog signal.

4. Multiple Output Voltage Ranges: The DAC39J82IAAV offers flexibility in selecting the desired output voltage range, catering to various system requirements.

5. Flexible Interface Options: It supports multiple interface options such as I2C, SPI, and parallel, allowing seamless integration into different system architectures.

Advantages and Disadvantages

Advantages: - High-resolution conversion for accurate signal reproduction - Low distortion and noise levels for superior audio and video quality - Fast settling time ensures minimal artifacts in the analog signal - Multiple output voltage ranges provide flexibility in system design - Flexible interface options enable easy integration into different systems

Disadvantages: - Limited pin configuration options may restrict certain applications requiring specific pin assignments - Relatively higher cost compared to lower-end DAC models

Working Principles

The DAC39J82IAAV operates on the principle of converting discrete digital values into corresponding analog voltages. It utilizes advanced digital signal processing techniques to accurately reconstruct the original analog waveform from the digital input.

The digital data is received through the selected interface (I2C, SPI, or parallel) and processed internally to generate the analog output. The converter's internal circuitry ensures precise voltage levels corresponding to the digital input values, resulting in faithful reproduction of the original signal.

Detailed Application Field Plans

The DAC39J82IAAV finds extensive application in various fields, including:

1. Professional Audio Equipment: It is suitable for high-end audio systems, studio monitors, mixing consoles, and audio interfaces, providing exceptional sound quality and accurate signal reproduction.

2. Video Processing Systems: The DAC39J82IAAV can be used in video processing equipment such as video scalers, video switchers, and video distribution amplifiers, ensuring high-fidelity video output.

3. Telecommunications: It is ideal for telecommunications applications that require precise analog signal generation, such as voice codecs, teleconferencing systems, and digital audio broadcasting.

4. Automotive Infotainment: The DAC39J82IAAV can enhance the audio experience in automotive infotainment systems, delivering immersive sound quality and supporting advanced audio