The WM8990E is a low power stereo CODEC with integrated Class D speaker drivers from Cirrus Logic. It is designed for portable audio applications, offering high-fidelity audio playback and recording capabilities, along with low power consumption for extended battery life.

Applications:

• Smartphones
• Tablets
• Portable media players
• Handheld gaming devices

Features:

• Stereo Class D speaker drivers
• Low power consumption
• Integrated headphone amplifier
• Digital audio interface (I2S/PCM)
• Microphone bias
• Digital volume control
• Advanced power management
• High SNR for DAC and ADC

Benefits:

• High-quality audio performance: Provides clear and crisp audio output.
• Extended battery life: Low power consumption ensures longer usage.
• Reduced board space: Integrated functions minimize external components.
• Versatile audio connectivity: Supports various digital audio interfaces.
• Easy to integrate: Simple design and control for quick integration.

Additional Details:

The WM8990E is a highly integrated audio codec solution aimed at portable consumer electronic devices. It combines a high-performance stereo DAC and ADC with Class D speaker drivers and a headphone amplifier. The device features a flexible digital audio interface that supports I2S and PCM formats. It is controlled through a standard I2C interface. The integrated Class D amplifiers are capable of driving speakers directly, eliminating the need for external amplifiers. The CODEC also incorporates a microphone bias circuit, making it suitable for voice recording applications. The digital volume control allows precise adjustment of the audio output level. The device's low power consumption is achieved through advanced power management techniques, including automatic power-down of unused modules. The WM8990E is available in a small, surface-mount package, making it ideal for space-constrained applications. Its high SNR for both DAC and ADC ensures high-fidelity audio playback and recording performance. It is suitable for use in mobile phone, tablets and portable gaming devices.