The WM8985G is a low power stereo codec from Cirrus Logic, designed primarily for portable audio applications. It features integrated Class D speaker drivers and headphone amplifiers, aiming for high-quality audio playback and recording within a compact form factor. The device's architecture offers flexibility for various audio processing needs.

Applications:

• Portable Media Players
• Mobile Phones
• Tablet Computers
• Digital Voice Recorders
• Gaming Devices

Features:

• Stereo Class D speaker drivers with integrated charge pump
• High-performance headphone amplifier with capless output option
• Low power consumption, optimizing battery life
• Integrated stereo 24-bit ADC and DAC
• Flexible digital audio interface, supporting I2S, PCM, and TDM
• Programmable gain stages for versatile audio signal manipulation
• Digital beep generator for audible feedback
• Automatic Level Control (ALC) for consistent recording levels
• I2C control interface for straightforward configuration and control

Benefits:

• Exceptional Audio Fidelity: The integrated 24-bit ADC and DAC facilitate accurate and clear audio reproduction.
• Prolonged Battery Operation: Minimal power consumption extends the operational duration of battery-powered devices.
• Simplified System Integration: Integrated speaker drivers and headphone amplifiers reduce the necessity for external components, streamlining system design.
• Adaptable Audio Processing: Programmable parameters enable customization to suit diverse application demands.
• Compact Physical Footprint: The device's small package size is suitable for use in portable devices where space is a constraint.

Additional Details:

The WM8985G encompasses a comprehensive array of audio processing functionalities, including equalization, noise reduction algorithms, and volume management. It supports a broad spectrum of audio formats and sampling frequencies. The Class D speaker drivers offer efficient power amplification for loudspeakers, while the headphone amplifier delivers a high-caliber audio output to headphones, often without requiring external DC-blocking capacitors (capless output). The I2C interface manages control, enabling simple setup and management. Refer to the official Cirrus Logic datasheet for detailed technical specifications.