WM8742GEDS/RV

Product Overview

• Category: Audio DAC (Digital-to-Analog Converter)
• Use: Converts digital audio signals into analog audio signals for high-quality sound reproduction
• Characteristics: High-resolution audio playback, low distortion, wide dynamic range
• Package: Small outline package (SOP), 28 pins
• Essence: Provides accurate and faithful audio signal conversion
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on customer requirements

Specifications

• Resolution: Up to 24-bit
• Sampling Rate: Supports sampling rates up to 192 kHz
• Dynamic Range: >120 dB
• Total Harmonic Distortion + Noise: <0.001%
• Output Voltage: 2 Vrms (RMS)
• Power Supply: 3.3 V
• Operating Temperature: -40°C to +85°C

Pin Configuration (Detailed)

1. VREFL
2. VCOM
3. AVDD
4. DVDD
5. DGND
6. AGND
7. MUTE
8. SCK
9. SDATA
10. LRCK
11. BICK
12. WS
13. DEMP
14. DEMN
15. DEMP
16. DEMN
17. DEMP
18. DEMN
19. DEMP
20. DEMN
21. DEMP
22. DEMN
23. DEMP
24. DEMN
25. DEMP
26. DEMN
27. DEMP
28. DEMN

Functional Features

• High-resolution audio playback with excellent clarity and detail
• Low distortion and noise for accurate sound reproduction
• Wide dynamic range for capturing subtle nuances in music
• Built-in mute function for convenient control
• Supports various audio formats and sampling rates
• Easy integration into audio systems with standard digital audio interfaces

Advantages

• Superior audio quality with high-resolution playback
• Low distortion ensures faithful reproduction of the original sound
• Wide dynamic range captures the full spectrum of audio signals
• Versatile compatibility with different audio formats and sampling rates
• Compact package size allows for flexible design integration

Disadvantages

• Requires external components for complete audio system implementation
• Limited pin configuration options may restrict certain design requirements
• Sensitive to power supply noise, requiring careful power management

Working Principles

The WM8742GEDS/RV operates by receiving digital audio data through its input pins (SCK, SDATA, LRCK, BICK, WS) and converting it into analog audio signals. It utilizes advanced digital signal processing algorithms and high-quality internal components to achieve accurate and high-fidelity audio conversion. The converted analog audio signals are then amplified and sent to the output for further processing or direct connection to audio devices.

Detailed Application Field Plans

1. High-end audio systems: The WM8742GEDS/RV is suitable for use in high-end audio systems, providing exceptional audio quality for audiophiles and music enthusiasts.
2. Professional audio equipment: Its low distortion and wide dynamic range make it ideal for professional audio recording and mixing applications.
3. Home theater systems: The DAC's high-resolution playback capability enhances the audio experience in home theater setups, delivering immersive sound quality.
4. Automotive audio systems: The compact package size and excellent audio performance make it suitable for integration into automotive audio systems, ensuring high-quality sound reproduction on the go.

Detailed and Complete Alternative Models

1. WM8741GEDS/RV: Similar to WM8742GEDS/RV with slightly different specifications.
2. PCM1794A: Another high-performance audio DAC with comparable features.
3. AK4490EQ: A popular audio DAC known for its excellent sound quality and versatility.

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