Cirrus Logic

WM8903CLGEFK

WM8903CLGEFK Description

The WM8903CLGEFK is a high-performance stereo audio codec designed for ultra-low power (ULP) applications, featuring a 40QFN package. Manufactured by Cirrus Logic Inc., this interface IC chip is specifically tailored for applications requiring high-quality audio processing with minimal power consumption. The WM8903CLGEFK supports a wide range of supply voltages, with digital supply voltages ranging from 1.42V to 3.6V and analog supply voltages from 1.71V to 2V. It is designed for surface mount applications and is available in a tray package.

WM8903CLGEFK Features

• High-Quality Audio Processing: The WM8903CLGEFK offers a 24-bit resolution for both ADCs (Analog-to-Digital Converters) and DACs (Digital-to-Analog Converters), ensuring high-fidelity audio performance. The typical signal-to-noise ratio (S/N) is 92 dB for ADCs and 96 dB for DACs, providing clear and distortion-free audio.
• Sigma-Delta Modulation: This feature enhances the audio quality by reducing quantization noise and improving the dynamic range, making it ideal for applications requiring high-fidelity audio.
• Ultra-Low Power Consumption: The WM8903CLGEFK is optimized for low power consumption, making it suitable for battery-powered devices and portable audio applications.
• Flexible Supply Voltage Range: The wide range of acceptable supply voltages (1.42V to 3.6V for digital and 1.71V to 2V for analog) allows for compatibility with various power sources and system designs.
• Surface Mount Technology: The surface mount mounting type ensures ease of integration into modern PCB designs, reducing the overall footprint and improving reliability.
• Compliance and Safety: The WM8903CLGEFK is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations and safety standards.
• Moisture Sensitivity Level: With an MSL of 1 (unlimited), the WM8903CLGEFK is highly resistant to moisture, making it suitable for a wide range of environmental conditions.

WM8903CLGEFK Applications

The WM8903CLGEFK is ideal for a variety of applications where high-quality audio and low power consumption are critical. Some specific use cases include:

• Portable Audio Devices: Ideal for smartphones, tablets, and portable music players where battery life and audio quality are paramount.
• Smart Home Devices: Suitable for voice-activated assistants and smart speakers that require high-fidelity audio output and low power consumption.
• Wearable Technology: Perfect for fitness trackers, smartwatches, and other wearable devices that need compact, high-performance audio solutions.
• Automotive Infotainment Systems: Provides high-quality audio processing for in-car entertainment systems, ensuring clear and immersive sound.
• Medical Devices: Can be used in medical devices that require high-fidelity audio for diagnostic or therapeutic applications.

Conclusion of WM8903CLGEFK

The WM8903CLGEFK from Cirrus Logic Inc. is a versatile and high-performance stereo audio codec that offers significant advantages over similar models. Its ultra-low power consumption, high-fidelity audio processing, and flexible supply voltage range make it an ideal choice for a wide range of applications, from portable devices to automotive and medical systems. Despite being marked as obsolete, the WM8903CLGEFK remains a reliable and efficient solution for applications requiring high-quality audio with minimal power usage.