Cirrus Logic Inc.
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WM8740SEDS/V
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WM8740SEDS/V

Product Overview

  • Category: Audio DAC (Digital-to-Analog Converter)
  • Use: Converts digital audio signals into analog signals for high-quality audio playback
  • Characteristics:
    • High-resolution audio support
    • Low distortion and noise levels
    • Wide dynamic range
    • Flexible interface options
  • Package: Small Outline Package (SOP)
  • Essence: Provides superior audio performance in various applications
  • Packaging/Quantity: Available in tape and reel packaging, quantity depends on the supplier

Specifications

  • Resolution: Up to 24-bit
  • Sampling Rate: Up to 192 kHz
  • Dynamic Range: >120 dB
  • Total Harmonic Distortion + Noise (THD+N): <0.001%
  • Interface: I2S, Left-Justified, Right-Justified, DSP
  • Power Supply: 3.3V
  • Operating Temperature: -40°C to +85°C

Pin Configuration

The WM8740SEDS/V has a total of 28 pins. Here is the detailed pin configuration:

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

Functional Features

  • High-quality audio reproduction with low distortion and noise levels
  • Support for various audio formats and sampling rates
  • Flexible interface options for easy integration into different systems
  • Built-in mute and de-emphasis functions for enhanced audio control
  • Dual power supplies for improved performance

Advantages and Disadvantages

Advantages

  • High-resolution audio support for superior sound quality
  • Wide dynamic range for accurate audio reproduction
  • Low distortion and noise levels for a clean audio signal
  • Flexible interface options for easy integration
  • Mute and de-emphasis functions for enhanced audio control

Disadvantages

  • Requires external components for complete audio system implementation
  • Limited availability from certain suppliers
  • Higher cost compared to some alternative models

Working Principles

The WM8740SEDS/V operates by receiving digital audio signals through its input interface. It then processes these signals using its high-resolution DAC, converting them into analog signals. The analog signals are then amplified and sent to the output for audio playback.

Detailed Application Field Plans

The WM8740SEDS/V is suitable for a wide range of applications, including:

  1. High-end audio systems
  2. Professional audio equipment
  3. Home theater systems
  4. Automotive audio systems
  5. Portable audio devices

Detailed and Complete Alternative Models

  • WM8741SEDS/V: Similar specifications and features, compatible pin configuration
  • PCM1794A: High-performance audio DAC with similar characteristics
  • AK4490EQ: Premium audio DAC with advanced features and specifications

Note: This is not an exhaustive list of alternative models, and it is recommended to consult the manufacturer's documentation for a comprehensive comparison.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi WM8740SEDS/V dalam penyelesaian teknikal

  1. What is the maximum sampling rate supported by WM8740SEDS/V?
    - The maximum sampling rate supported by WM8740SEDS/V is 192 kHz.

  2. Can WM8740SEDS/V be used in portable audio devices?
    - Yes, WM8740SEDS/V can be used in portable audio devices due to its low power consumption and small footprint.

  3. Does WM8740SEDS/V support multiple digital input formats?
    - Yes, WM8740SEDS/V supports multiple digital input formats including I2S, left-justified, and right-justified.

  4. What is the typical signal-to-noise ratio (SNR) of WM8740SEDS/V?
    - The typical SNR of WM8740SEDS/V is 105 dB.

  5. Is WM8740SEDS/V suitable for high-fidelity audio applications?
    - Yes, WM8740SEDS/V is suitable for high-fidelity audio applications due to its high resolution and low distortion.

  6. Can WM8740SEDS/V operate from a single power supply?
    - Yes, WM8740SEDS/V can operate from a single power supply, making it suitable for various system designs.

  7. What is the recommended operating voltage range for WM8740SEDS/V?
    - The recommended operating voltage range for WM8740SEDS/V is 2.7V to 3.6V.

  8. Does WM8740SEDS/V require external components for operation?
    - WM8740SEDS/V requires minimal external components for operation, simplifying system design.

  9. Can WM8740SEDS/V be used in automotive audio systems?
    - Yes, WM8740SEDS/V can be used in automotive audio systems due to its robust performance and temperature range.

  10. Is there an evaluation board available for WM8740SEDS/V?
    - Yes, an evaluation board for WM8740SEDS/V is available, allowing for easy prototyping and testing of the device.