The WM8976 is a low power, high-performance stereo CODEC manufactured by Wolfson Microelectronics plc (now Cirrus Logic). It's designed for portable audio applications, providing high-quality audio processing and playback capabilities.
Applications
- Portable Media Players (PMPs)
- Smartphones
- Tablets
- Digital Cameras
- Voice Recorders
Features
- High-Performance Stereo CODEC
- Low Power Consumption
- Integrated Stereo Headphone Amplifier
- Integrated Mono Speaker Driver
- Flexible Audio Routing
- Digital Volume Control
- Microphone Bias
- I2C Control Interface
- Small Footprint Package
Benefits
- High-quality audio playback for an enhanced user experience.
- Extended battery life in portable devices due to low power consumption.
- Simplified system design with integrated headphone and speaker drivers.
- Flexible audio routing allows for various audio configurations.
- Precise volume control with digital volume control.
- Compatibility with various microphone types with microphone bias.
- Easy configuration and control via the I2C interface.
- Space-saving design with a small footprint package.
Additional Details
The WM8976 supports a wide range of sampling frequencies. It features a high signal-to-noise ratio (SNR) and low total harmonic distortion plus noise (THD+N). The integrated headphone amplifier can drive various headphone impedances. The mono speaker driver provides amplification for a single speaker. The flexible audio routing allows for connecting different audio sources and destinations. The digital volume control provides precise volume adjustment. The microphone bias circuitry supports electret and other microphone types. The I2C control interface enables easy configuration and control by a microcontroller. The WM8976 is typically available in a small form factor QFN (Quad Flat No-Lead) package.
It excels in portable audio applications requiring high-quality audio and low power consumption. The integrated features simplify system design and reduce the overall bill of materials. The WM8976's flexible audio routing and precise volume control provide an enhanced user experience. The small footprint package makes it suitable for space-constrained applications. The WM8976 is widely used in smartphones, tablets, and portable media players. It is a popular choice for applications needing superior audio performance and extended battery life.