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WM8940CGEFL/RV

WM8940CGEFL/RV Description

The WM8940CGEFL/RV is a high-performance, mono speaker driver codec designed for a wide range of audio applications. Manufactured by Cirrus Logic Inc., this IC codec offers exceptional audio quality and versatility, making it suitable for various electronic devices. The WM8940CGEFL/RV features a 24-bit resolution, ensuring high-fidelity audio output. It operates with a digital supply voltage ranging from 1.71V to 3.6V and an analog supply voltage between 2.5V and 3.6V, providing flexibility in power requirements.

The codec employs a serial data interface, which simplifies integration into existing systems. It includes one ADC and one DAC, both with a typical signal-to-noise ratio (SNR) of 94dB and 98dB, respectively. This high SNR ensures clear and precise audio reproduction. The WM8940CGEFL/RV also incorporates sigma-delta modulation, enhancing its performance and efficiency.

WM8940CGEFL/RV Features

• High-Fidelity Audio: With a 24-bit resolution and high SNR, the WM8940CGEFL/RV delivers superior audio quality.
• Flexible Power Supply: The wide operating voltage range (1.71V to 3.6V for digital and 2.5V to 3.6V for analog) accommodates various power sources.
• Efficient Data Interface: The serial data interface simplifies integration and reduces complexity in system design.
• Sigma-Delta Modulation: This feature enhances performance and efficiency, providing clear and dynamic audio output.
• Surface Mount Packaging: The WM8940CGEFL/RV is available in a surface mount package, making it suitable for compact and high-density designs.
• Compliance and Safety: The codec is REACH unaffected and RoHS3 compliant, ensuring environmental and safety standards are met.
• Moisture Sensitivity Level: With an MSL of 3 (168 hours), the WM8940CGEFL/RV is designed to withstand typical manufacturing conditions.

WM8940CGEFL/RV Applications

The WM8940CGEFL/RV is ideal for a variety of applications where high-quality audio output is essential. Some specific use cases include:

• Consumer Electronics: Ideal for portable audio devices, such as MP3 players, smartphones, and tablets, where space is limited and high audio quality is required.
• Automotive Systems: Suitable for in-car audio systems, providing clear and dynamic sound for both drivers and passengers.
• Industrial Applications: Can be used in industrial control panels and monitoring systems where reliable audio feedback is necessary.
• Medical Devices: Applicable in medical equipment that requires high-fidelity audio for diagnostic or communication purposes.

Conclusion of WM8940CGEFL/RV

The WM8940CGEFL/RV is a versatile and high-performance mono speaker driver codec that offers exceptional audio quality and flexibility. Its wide operating voltage range, efficient serial data interface, and sigma-delta modulation make it a reliable choice for various applications. Despite being marked as obsolete, the WM8940CGEFL/RV remains a valuable component for designers seeking high-fidelity audio solutions. Its compliance with environmental and safety standards ensures it meets the requirements of modern electronics manufacturing.