DAC902EG4

Product Overview

Category: Digital-to-Analog Converter (DAC)

Use: The DAC902EG4 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 voltages, allowing for accurate reproduction of audio and video content.

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

Package: The DAC902EG4 is available in a small outline package (SOP) with 16 pins, making it suitable for compact electronic devices.

Essence: The essence of the DAC902EG4 lies in its ability to convert digital signals into precise analog voltages, enabling faithful reproduction of audio and video content.

Packaging/Quantity: The DAC902EG4 is typically sold in reels containing a quantity of 250 units per reel.

Specifications

• Resolution: 12 bits
• Sampling Rate: Up to 100 kHz
• Supply Voltage: 3.3V
• Output Voltage Range: 0V to Vref
• Total Harmonic Distortion (THD): <0.01%
• Signal-to-Noise Ratio (SNR): >90 dB
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The DAC902EG4 features the following pin configuration:

1. VDD: Power supply voltage input
2. VREF: Reference voltage input
3. AGND: Analog ground
4. OUTA: Analog output channel A
5. OUTB: Analog output channel B
6. OUTC: Analog output channel C
7. OUTD: Analog output channel D
8. DGND: Digital ground
9. DIN: Serial data input
10. SCLK: Serial clock input
11. SYNC: Frame synchronization input
12. LDAC: Load DAC input
13. CLR: Clear input
14. A0: Address bit 0
15. A1: Address bit 1
16. A2: Address bit 2

Functional Features

• High-resolution conversion ensures accurate reproduction of digital signals.
• Fast settling time allows for rapid response to changes in input signals.
• Low distortion and noise levels result in high-quality audio and video output.
• Wide dynamic range enables faithful representation of subtle details in the signal.

Advantages and Disadvantages

Advantages: - High-resolution conversion for accurate signal reproduction. - Low distortion and noise levels ensure high-quality output. - Fast settling time allows for responsive signal processing. - Wide dynamic range captures subtle details in the signal.

Disadvantages: - Limited to a maximum sampling rate of 100 kHz. - Requires a stable power supply for optimal performance.

Working Principles

The DAC902EG4 operates on the principle of converting digital signals into analog voltages using a combination of internal circuitry and reference voltage. The digital input data is processed and converted into corresponding analog voltages, which are then amplified and filtered to produce the desired output signal.

Detailed Application Field Plans

The DAC902EG4 finds applications in various fields, including: - Audio equipment: Used in audio interfaces, sound cards, and digital audio players for high-fidelity audio reproduction. - Video equipment: Employed in video processors, multimedia systems, and digital displays for accurate video signal conversion. - Communication systems: Integrated into communication devices to convert digital signals into analog audio for voice transmission.

Detailed and Complete Alternative Models

1. DAC1220E: 12-bit digital-to-analog converter with similar specifications and pin configuration.
2. DAC1627G: 16-bit digital-to-analog converter offering higher resolution and extended dynamic range.
3. DAC0808LCN: 8-bit digital-to-analog converter suitable for applications with lower resolution requirements.

These alternative models provide options with varying resolutions and features to cater to different application needs.

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