Cirrus Logic

WM8731CSEFL/R

WM8731CSEFL/R Description

The WM8731CSEFL/R is a high-performance, low-power stereo audio codec designed for portable Internet devices. Manufactured by Cirrus Logic Inc., this codec features a 28QFN package and is optimized for surface mount applications. It offers a dynamic range of 90 dB for ADCs and 95 dB for DACs, ensuring high-quality audio performance. The codec supports a digital supply voltage range of 1.42V to 3.6V and an analog supply voltage range of 1.8V to 3.6V, making it suitable for a variety of power configurations. With a resolution of 24 bits, the WM8731CSEFL/R delivers precise audio processing capabilities.

WM8731CSEFL/R Features

• High Dynamic Range: The WM8731CSEFL/R boasts a dynamic range of 90 dB for ADCs and 95 dB for DACs, providing excellent audio clarity and minimizing noise interference.
• Low-Power Design: Optimized for portable devices, this codec operates efficiently within a digital supply voltage range of 1.42V to 3.6V and an analog supply voltage range of 1.8V to 3.6V.
• Sigma Delta Modulation: Utilizing sigma delta modulation, the WM8731CSEFL/R achieves a high signal-to-noise ratio (SNR) of 90 dB for ADCs and 100 dB for DACs, ensuring superior audio quality.
• Serial Data Interface: Equipped with a serial data interface, the codec simplifies integration into various systems and reduces the complexity of the overall design.
• Dual ADCs and DACs: Featuring two ADCs and two DACs, the WM8731CSEFL/R supports simultaneous audio processing for both input and output channels, enhancing its versatility.
• RoHS Compliance: The WM8731CSEFL/R is RoHS compliant, ensuring it meets environmental standards and is suitable for use in a wide range of applications.
• Moisture Sensitivity Level (MSL): With an MSL of 1 (Unlimited), the codec is highly resistant to moisture, making it ideal for use in various environmental conditions.

WM8731CSEFL/R Applications

The WM8731CSEFL/R is ideally suited for a variety of applications where high-quality audio processing is essential. Some specific use cases include:

• Portable Internet Devices: The codec's low-power design and high performance make it perfect for portable Internet devices, ensuring clear audio output and efficient power usage.
• Smartphones and Tablets: The WM8731CSEFL/R's compact 28QFN package and surface mount compatibility make it an excellent choice for integration into smartphones and tablets, providing high-quality audio for both voice and multimedia applications.
• Audio Accessories: The codec's dual ADC and DAC capabilities make it suitable for use in audio accessories such as Bluetooth headsets and portable speakers, enhancing the overall audio experience.
• Voice Communication Devices: With its high SNR and dynamic range, the WM8731CSEFL/R is ideal for voice communication devices, ensuring clear and distortion-free audio transmission.

Conclusion of WM8731CSEFL/R

The WM8731CSEFL/R is a versatile and high-performance audio codec designed to meet the demands of modern portable Internet devices. Its low-power design, high dynamic range, and sigma delta modulation ensure superior audio quality and efficient power usage. With its RoHS compliance and moisture resistance, the codec is suitable for a wide range of applications, making it an ideal choice for designers looking to integrate high-quality audio processing into their products.