The WM8728EDS is a stereo audio DAC (Digital-to-Analog Converter) manufactured by Cirrus Logic. This DAC is designed for various audio applications where high-quality audio output and low power consumption are important. It offers features such as digital interpolation filtering and volume control, making it a versatile solution for audio playback systems.

Applications

• Portable audio players
• Mobile phones
• USB audio interfaces
• Digital radios
• Consumer audio devices

Features

• High-performance stereo DAC
• Supports sampling rates up to 96kHz
• Low power consumption
• Integrated digital interpolation filter
• Multi-bit sigma-delta modulator
• Stereo line output
• Digital volume control

Benefits

• Provides high-fidelity audio output in portable devices.
• Low power consumption extends battery life.
• Integrated filter simplifies design and reduces component count.
• Excellent THD+N performance ensures clean audio reproduction.
• Digital volume control provides precise audio level adjustment without introducing noise.

Additional Details

The WM8728EDS uses a multi-bit sigma-delta architecture to achieve high SNR and low THD+N. The integrated digital interpolation filter reduces the need for external filtering components, simplifying the design process. It typically operates from a single 3.3V power supply. The DAC provides a stereo line output for connecting to headphones or external amplifiers. The digital volume control allows for precise adjustment of the audio output level. The compact package is ideal for space-constrained applications like mobile phones and portable audio players. This DAC is designed to meet the requirements of high-quality audio playback in various consumer electronics and professional audio applications.