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WM8940CGEFL/V

WM8940CGEFL/V Description

The WM8940CGEFL/V is a highly integrated audio codec monaural speaker driver from Cirrus Logic Inc., designed to deliver exceptional audio performance in a compact, surface-mount package. This interface IC chip is ideal for applications requiring high-quality audio processing and efficient power management. The WM8940CGEFL/V operates with a digital supply voltage ranging from 1.71V to 3.6V and an analog supply voltage between 2.5V and 3.6V, ensuring compatibility with a wide range of power sources. It features a single ADC and DAC, each with a resolution of 24 bits, providing a high level of audio fidelity. The device employs a sigma-delta architecture, which contributes to its excellent signal-to-noise ratio (SNR) of 94 dB for ADCs and 98 dB for DACs, ensuring clear and distortion-free audio output.

WM8940CGEFL/V Features

• High Performance Audio Processing: The WM8940CGEFL/V offers a high SNR of 94 dB for ADCs and 98 dB for DACs, ensuring superior audio quality. The 24-bit resolution further enhances the clarity and dynamic range of the audio signals.
• Flexible Power Supply: With a digital supply voltage range of 1.71V to 3.6V and an analog supply voltage range of 2.5V to 3.6V, the device can be easily integrated into various systems with different power requirements.
• Sigma-Delta Architecture: The use of sigma-delta modulation in the ADCs and DACs provides high precision and low noise, making it suitable for demanding audio applications.
• Compact Surface-Mount Package: The WM8940CGEFL/V is available in a surface-mount package, which is ideal for space-constrained designs and high-density PCB layouts.
• Serial Data Interface: The device supports a serial data interface, simplifying the connection to microcontrollers and other digital systems.
• Moisture Sensitivity Level 3: With an MSL rating of 3 (168 hours), the WM8940CGEFL/V is suitable for manufacturing processes that require exposure to moisture, ensuring reliability and durability.
• Compliance and Safety: The WM8940CGEFL/V is REACH unaffected and RoHS3 compliant, meeting the stringent environmental and safety standards of the electronics industry.

WM8940CGEFL/V Applications

The WM8940CGEFL/V is well-suited for a variety of applications where high-quality audio processing and efficient power management are critical. Some specific use cases include:

• Consumer Electronics: Ideal for portable audio devices, smart speakers, and other consumer electronics that require compact and high-performance audio solutions.
• Telecommunications: Suitable for mobile phones, tablets, and other communication devices where clear audio transmission and reception are essential.
• Automotive: The device can be used in automotive infotainment systems, providing high-quality audio playback and voice recognition capabilities.
• Industrial Applications: The WM8940CGEFL/V can be integrated into industrial control systems and IoT devices that require reliable audio processing and communication.

Conclusion of WM8940CGEFL/V

The WM8940CGEFL/V from Cirrus Logic Inc. stands out as a versatile and high-performance audio codec monaural speaker driver. Its combination of high SNR, sigma-delta architecture, and flexible power supply options make it an excellent choice for a wide range of applications. The compact surface-mount package and compliance with industry standards further enhance its appeal. Despite being marked as obsolete, the WM8940CGEFL/V remains a reliable and efficient solution for applications requiring superior audio performance and efficient power management.