Cirrus Logic

WM8731CLSEFL

WM8731CLSEFL Description

The WM8731CLSEFL is a high-performance, low-power stereo audio CODEC designed for portable internet devices. Manufactured by Cirrus Logic Inc., this device is part of the WM8731 family and is packaged in a 28QFN format. It features a dynamic range of 90 dB for ADCs and 95 dB for DACs, ensuring high-quality audio performance. The WM8731CLSEFL 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 supply configurations.

WM8731CLSEFL Features

• High Dynamic Range and Signal-to-Noise Ratio: The WM8731CLSEFL boasts a dynamic range of 90 dB for ADCs and 95 dB for DACs, with a signal-to-noise ratio of 90 dB for ADCs and 100 dB for DACs. This ensures superior audio quality and clarity.
• Sigma Delta Modulation: Utilizing sigma delta modulation, the WM8731CLSEFL achieves high resolution and low noise performance, making it ideal for demanding audio applications.
• Serial Data Interface: The device supports a serial data interface, simplifying integration into systems with limited I/O resources.
• 24-bit Resolution: With a resolution of 24 bits, the WM8731CLSEFL provides detailed and precise audio reproduction.
• Surface Mount Packaging: The surface mount technology ensures ease of integration into compact designs, making it suitable for portable devices.
• RoHS Compliance and REACH Unaffected: The WM8731CLSEFL meets environmental standards, ensuring compliance with global regulations.
• Low Moisture Sensitivity Level: With a moisture sensitivity level (MSL) of 1, the device is suitable for a wide range of manufacturing environments without additional moisture protection.

WM8731CLSEFL Applications

The WM8731CLSEFL is ideally suited for applications requiring high-quality audio processing in portable devices. Specific use cases include:

• Portable Internet Devices: Ideal for smartphones, tablets, and other portable internet-enabled devices where high-quality audio is essential.
• Audio Accessories: Suitable for Bluetooth speakers, headphones, and other audio accessories that require compact and high-performance audio solutions.
• Communication Devices: Enhances the audio quality in communication devices such as VoIP phones and conference systems.

Conclusion of WM8731CLSEFL

The WM8731CLSEFL is a versatile and high-performance audio CODEC designed to meet the demanding requirements of portable internet devices. Its high dynamic range, sigma delta modulation, and 24-bit resolution ensure superior audio quality. The device's low power consumption, surface mount packaging, and compliance with environmental standards make it an excellent choice for modern audio applications. Despite being marked as obsolete, the WM8731CLSEFL remains a reliable option for designers seeking a proven audio solution.