Cirrus Logic Inc.
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WM8904ECS/R
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WM8904ECS/R

Product Overview

Category

WM8904ECS/R belongs to the category of audio codecs.

Use

It is primarily used for audio processing and playback in various electronic devices.

Characteristics

  • High-quality audio processing capabilities
  • Low power consumption
  • Compact size
  • Versatile functionality

Package

WM8904ECS/R comes in a small surface-mount package, making it suitable for integration into compact electronic devices.

Essence

The essence of WM8904ECS/R lies in its ability to provide high-quality audio processing and playback functionalities while consuming minimal power.

Packaging/Quantity

This product is typically packaged in reels or tubes, with varying quantities depending on the manufacturer's specifications.

Specifications

  • Audio Codec Type: Stereo
  • Resolution: 24-bit
  • Sampling Rate: Up to 192 kHz
  • Interface: I2C, SPI
  • Power Supply: 1.8V - 3.6V
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of WM8904ECS/R is as follows:

  1. VDDIO
  2. GND
  3. LRC
  4. BCLK
  5. SDIN
  6. SDOUT
  7. GPIO1
  8. GPIO2
  9. GPIO3
  10. GPIO4
  11. GPIO5
  12. GPIO6
  13. GPIO7
  14. GPIO8
  15. GPIO9
  16. GPIO10
  17. GPIO11
  18. GPIO12
  19. GPIO13
  20. GPIO14
  21. GPIO15
  22. GPIO16
  23. GPIO17
  24. GPIO18
  25. GPIO19
  26. GPIO20
  27. GPIO21
  28. GPIO22
  29. GPIO23
  30. GPIO24
  31. GPIO25
  32. GPIO26
  33. GPIO27
  34. GPIO28
  35. GPIO29
  36. GPIO30
  37. GPIO31
  38. GPIO32
  39. GPIO33
  40. GPIO34

Functional Features

  • Audio playback and recording
  • Digital signal processing
  • Volume control
  • Equalization
  • Noise cancellation
  • Sample rate conversion
  • Power management

Advantages and Disadvantages

Advantages

  • High-quality audio processing
  • Low power consumption
  • Compact size for easy integration
  • Versatile functionality for various applications

Disadvantages

  • Limited number of GPIO pins
  • May require additional external components for certain applications

Working Principles

WM8904ECS/R operates by receiving digital audio data through the interface (I2C or SPI) and converting it into analog signals. It then processes these signals using its built-in DSP capabilities, allowing for various audio enhancements and adjustments. The processed audio can be outputted to speakers or headphones.

Detailed Application Field Plans

WM8904ECS/R finds applications in a wide range of electronic devices, including but not limited to: - Smartphones - Tablets - Portable media players - Digital audio recorders - Automotive infotainment systems - Home audio systems

Alternative Models

Some alternative models that offer similar functionalities to WM8904ECS/R include: - WM8960 - CS42L52 - MAX98090 - AK4556 - PCM5102A

These alternative models can be considered based on specific requirements and compatibility with the target application.

In conclusion, WM8904ECS/R is a high-quality audio codec that offers versatile functionality and low power consumption. Its compact size and excellent audio processing capabilities make it suitable for various electronic devices. However, it has a limited number of GPIO pins and may require additional external components for certain applications. With its wide range of applications and alternative models available, WM8904ECS/R provides a reliable solution for audio processing needs.

Перечислите 10 распространенных вопросов и ответов, связанных с применением WM8904ECS/R в технических решениях.

  1. What is the WM8904ECS/R?

    • The WM8904ECS/R is a high-performance audio hub codec designed for portable applications.

  2. What are the key features of the WM8904ECS/R?

    • The key features include stereo DACs, stereo ADCs, digital and analog audio interfaces, and integrated digital signal processing.

  3. How is the WM8904ECS/R typically used in technical solutions?

    • The WM8904ECS/R is commonly used in smartphones, tablets, portable media players, and other portable audio devices to provide high-quality audio processing and connectivity.

  4. What are the power supply requirements for the WM8904ECS/R?

    • The WM8904ECS/R typically requires a single 1.8V power supply for its core operation and separate supplies for its digital and analog sections.

  5. Can the WM8904ECS/R support multiple input sources?

    • Yes, the WM8904ECS/R supports multiple input sources, including line inputs, microphones, and digital audio interfaces.

  6. Does the WM8904ECS/R have built-in digital signal processing (DSP) capabilities?

    • Yes, the WM8904ECS/R integrates advanced DSP features for audio enhancement and noise reduction.

  7. What are the supported interface protocols for the WM8904ECS/R?

    • The WM8904ECS/R supports I2C, SPI, and other standard digital interface protocols for control and configuration.

  8. Is the WM8904ECS/R compatible with common audio formats?

    • Yes, the WM8904ECS/R supports a wide range of audio formats, including PCM, I2S, TDM, and more.

  9. Can the WM8904ECS/R be used in battery-powered devices?

    • Yes, the low-power operation of the WM8904ECS/R makes it suitable for use in battery-powered devices.

  10. Are there any application notes or reference designs available for the WM8904ECS/R?

    • Yes, there are application notes and reference designs provided by the manufacturer to assist with the integration of the WM8904ECS/R into technical solutions.