Cirrus Logic Inc.
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WM8918CGEFL/V
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WM8918CGEFL/V

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Audio Codec
  • Characteristics: High-performance, low-power audio codec with advanced features
  • Package: QFN (Quad Flat No-Lead) package
  • Essence: Provides high-quality audio processing and playback capabilities
  • Packaging/Quantity: Available in tape and reel packaging, quantity depends on customer requirements

Specifications

  • Audio Performance:
    • Signal-to-Noise Ratio (SNR): >100 dB
    • Total Harmonic Distortion + Noise (THD+N): <0.01%
    • Dynamic Range (DR): >100 dB
  • Digital Audio Interface:
    • Supported Formats: I2S, PCM, TDM
    • Sample Rates: Up to 192 kHz
  • Power Supply:
    • Voltage Range: 2.7V to 3.6V
    • Current Consumption: <10 mA
  • Control Interface:
    • I2C (Inter-Integrated Circuit) interface for control and configuration

Pin Configuration

The WM8918CGEFL/V has a total of 48 pins. The pin configuration is as follows:

  1. VDDA
  2. VDDIO
  3. GND
  4. MICBIAS1
  5. MICBIAS2
  6. ... (Detailed pin configuration continues)

Functional Features

  • High-quality audio playback and recording
  • Advanced audio processing algorithms
  • Support for multiple audio formats
  • Low power consumption
  • Flexible control interface for easy integration
  • Built-in microphone bias voltage generation

Advantages and Disadvantages

Advantages

  • Excellent audio performance with high SNR and low THD+N
  • Wide range of supported audio formats and sample rates
  • Low power consumption for extended battery life
  • Compact and easy-to-integrate package

Disadvantages

  • Limited pin count may restrict the number of external components that can be connected directly

Working Principles

The WM8918CGEFL/V is designed to process and playback audio signals. It utilizes advanced algorithms to enhance audio quality and provide a rich listening experience. The IC communicates with the host system through the I2C interface, allowing control and configuration of various audio parameters.

Detailed Application Field Plans

The WM8918CGEFL/V is suitable for a wide range of applications, including:

  1. Mobile devices (smartphones, tablets) for high-quality audio playback and recording
  2. Portable media players for enhanced audio performance
  3. Automotive infotainment systems for immersive in-car audio experiences
  4. Home entertainment systems for superior audio processing capabilities

Detailed and Complete Alternative Models

  • WM8994: High-performance audio codec with similar features and specifications
  • WM8960: Low-power audio codec with integrated speaker driver
  • WM8731: Stereo audio codec with digital volume control

(Note: This list is not exhaustive and there are other alternative models available in the market.)

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Liste 10 perguntas e respostas comuns relacionadas à aplicação de WM8918CGEFL/V em soluções técnicas

  1. What is the maximum input voltage for WM8918CGEFL/V?
    - The maximum input voltage for WM8918CGEFL/V is 5.5V.

  2. What is the typical output power of WM8918CGEFL/V?
    - The typical output power of WM8918CGEFL/V is 1.3W per channel into 8Ω loads.

  3. Can WM8918CGEFL/V be used in battery-powered devices?
    - Yes, WM8918CGEFL/V can be used in battery-powered devices as it has low power consumption.

  4. What are the recommended operating conditions for WM8918CGEFL/V?
    - The recommended operating conditions for WM8918CGEFL/V include a supply voltage range of 2.7V to 5.5V and a temperature range of -40°C to 85°C.

  5. Does WM8918CGEFL/V have built-in thermal protection?
    - Yes, WM8918CGEFL/V features built-in thermal protection to prevent overheating.

  6. Can WM8918CGEFL/V be used in automotive applications?
    - Yes, WM8918CGEFL/V is suitable for automotive applications due to its wide operating temperature range and robust design.

  7. What is the total harmonic distortion (THD) of WM8918CGEFL/V?
    - The total harmonic distortion of WM8918CGEFL/V is typically less than 0.1% at 1W output power.

  8. Is WM8918CGEFL/V compatible with digital audio interfaces?
    - Yes, WM8918CGEFL/V supports various digital audio interfaces such as I2S and TDM.

  9. Can WM8918CGEFL/V operate in a single-ended or differential mode?
    - Yes, WM8918CGEFL/V can operate in both single-ended and differential modes, providing flexibility in system design.

  10. What are the key application areas for WM8918CGEFL/V?
    - WM8918CGEFL/V is commonly used in portable audio devices, smartphones, tablets, and other consumer electronics requiring high-quality audio amplification.