The WM8758BGEFL is a high-performance stereo audio codec from Cirrus Logic Inc. It's specifically designed for portable audio devices requiring excellent audio quality and low power consumption. This codec combines analog-to-digital (ADC) and digital-to-analog (DAC) converters with integrated digital signal processing (DSP) capabilities, making it a versatile solution for various audio applications.

Applications:

• Portable Media Players (PMPs)
• Mobile Phones
• Digital Audio Recorders
• USB Audio Interfaces
• Handheld Gaming Consoles

Features:

• High-resolution stereo ADC and DAC for high-fidelity audio
• Low power consumption for extended battery life
• Integrated digital signal processing (DSP) for audio enhancements
• Flexible digital audio interface supporting multiple formats
• Integrated headphone amplifier for direct headphone connection
• Microphone bias support for external microphones
• I2C control interface for easy configuration
• Compact QFN package for space-constrained designs

Benefits:

• Excellent Audio Performance: The high-resolution ADC and DAC ensure clear and accurate audio reproduction, enhancing the user experience.
• Long Battery Life: Low power consumption extends the operating time of portable devices, reducing the need for frequent charging.
• Reduced Component Count: Integrated DSP functionality minimizes the need for external processing components, simplifying system design and reducing cost.
• Versatile Connectivity: The flexible digital audio interface allows for easy integration with various audio sources and destinations.
• Simplified Headphone Connection: The integrated headphone amplifier eliminates the need for an external amplifier, simplifying the audio output stage.

Technical Specifications:

The WM8758BGEFL supports a wide range of sample rates, typically from 8 kHz to 192 kHz, accommodating various audio formats. It boasts a high signal-to-noise ratio (SNR) and low total harmonic distortion (THD+N), ensuring high-fidelity audio performance. The integrated headphone amplifier can typically drive headphones with impedances ranging from 16 ohms to 32 ohms. The codec operates from a low supply voltage, typically around 1.8V for the digital core and 3.3V for the analog components, minimizing power consumption. Control and configuration are facilitated through an I2C interface. The QFN package provides good thermal performance and allows for compact board layouts.

The 'B' likely indicates a specific revision or feature set compared to other variants of the WM8758 series.