Cirrus Logic Inc.
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WM8904CGEFL/RV
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WM8904CGEFL/RV

Product Overview

  • Category: Audio Codec
  • Use: Audio processing and conversion
  • Characteristics: High-performance, low-power consumption
  • Package: QFN (Quad Flat No-Lead)
  • Essence: Provides audio codec functionality for various applications
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Supply Voltage: 1.7V to 3.6V
  • Audio Interface: I2S, TDM, PCM
  • Sampling Rates: 8 kHz to 192 kHz
  • Dynamic Range: 100 dB
  • THD+N: -90 dB
  • Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The WM8904CGEFL/RV has a total of 48 pins. Here is the detailed pin configuration:

  1. VDDCORE
  2. AVDD
  3. DVDD
  4. LDOIN
  5. LDOOUT
  6. GND
  7. MICBIAS1
  8. MICBIAS2
  9. MICBIAS3
  10. MICBIAS4
  11. MICBIAS5
  12. MICBIAS6
  13. MICBIAS7
  14. MICBIAS8
  15. MICBIAS9
  16. MICBIAS10
  17. MICBIAS11
  18. MICBIAS12
  19. MICBIAS13
  20. MICBIAS14
  21. MICBIAS15
  22. MICBIAS16
  23. MICBIAS17
  24. MICBIAS18
  25. MICBIAS19
  26. MICBIAS20
  27. MICBIAS21
  28. MICBIAS22
  29. MICBIAS23
  30. MICBIAS24
  31. MICBIAS25
  32. MICBIAS26
  33. MICBIAS27
  34. MICBIAS28
  35. MICBIAS29
  36. MICBIAS30
  37. MICBIAS31
  38. MICBIAS32
  39. MICBIAS33
  40. MICBIAS34
  41. MICBIAS35
  42. MICBIAS36
  43. MICBIAS37
  44. MICBIAS38
  45. MICBIAS39
  46. MICBIAS40
  47. MICBIAS41
  48. MICBIAS42

Functional Features

  • Audio processing and conversion
  • Integrated digital filters for enhanced audio quality
  • Programmable gain control for precise volume adjustment
  • Low-power consumption for extended battery life
  • Flexible audio interface options (I2S, TDM, PCM)
  • Multiple microphone biasing options for various microphone types

Advantages and Disadvantages

Advantages: - High-performance audio processing - Wide range of sampling rates supported - Low THD+N for clear audio output - Flexible audio interface options - Multiple microphone biasing options

Disadvantages: - Limited pin configuration options due to fixed pin assignment - Requires external components for complete audio system integration

Working Principles

The WM8904CGEFL/RV is an audio codec that processes and converts audio signals. It integrates digital filters and programmable gain control to enhance audio quality and provide precise volume adjustment. The device operates on a supply voltage ranging from 1.7V to 3.6V and supports various audio interfaces such as I2S, TDM, and PCM. With its low-power consumption, it is suitable for battery-powered applications.

Detailed Application Field Plans

The WM8904CGEFL/RV can be used in various applications, including but not limited to:

  1. Mobile devices: Smartphones, tablets, portable media players
  2. Audio equipment: Headphones, speakers, soundbars
  3. Automotive: In-car entertainment systems, infotainment systems
  4. IoT devices: Voice-enabled devices, smart home systems

Detailed and Complete Alternative Models

  1. WM8903CGEFL/RV
  2. WM8902CGEFL/RV
  3. WM8901CGEFL/RV
  4. WM8900CGEFL/RV
  5. WM8910CGEFL/RV

These alternative models offer similar audio codec functionality and can be considered as alternatives to the WM8904CGEFL/RV.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von WM8904CGEFL/RV in technischen Lösungen auf

  1. What is the typical application of WM8904CGEFL/RV?
    - The WM8904CGEFL/RV is commonly used in audio systems for smartphones, tablets, and other portable devices.

  2. What are the key features of WM8904CGEFL/RV?
    - The WM8904CGEFL/RV features include low power consumption, high-quality audio playback, and integrated digital signal processing.

  3. How does WM8904CGEFL/RV contribute to power efficiency in portable devices?
    - The WM8904CGEFL/RV's low power consumption helps extend battery life in portable devices.

  4. Can WM8904CGEFL/RV support multiple audio input sources?
    - Yes, the WM8904CGEFL/RV can handle multiple audio input sources, making it suitable for applications with diverse audio needs.

  5. What kind of audio processing capabilities does WM8904CGEFL/RV offer?
    - The WM8904CGEFL/RV provides integrated digital signal processing for tasks such as equalization, filtering, and dynamic range control.

  6. Is WM8904CGEFL/RV compatible with common audio interfaces?
    - Yes, the WM8904CGEFL/RV supports standard audio interfaces such as I2S, PCM, and TDM.

  7. Can WM8904CGEFL/RV be used in conjunction with microphones for voice capture?
    - Yes, the WM8904CGEFL/RV includes microphone preamplifiers and supports various microphone configurations for voice capture applications.

  8. How does WM8904CGEFL/RV handle audio output to speakers or headphones?
    - The WM8904CGEFL/RV features integrated headphone amplifiers and speaker drivers for high-quality audio output.

  9. What kind of control interface does WM8904CGEFL/RV utilize?
    - The WM8904CGEFL/RV can be controlled via I2C interface, allowing for easy integration into system designs.

  10. Are there any specific design considerations when using WM8904CGEFL/RV in a technical solution?
    - Designers should consider layout and grounding best practices to optimize performance when integrating WM8904CGEFL/RV into their systems.