The WM8770SIFT is a high-performance, low-power stereo audio codec manufactured by Wolfson Microelectronics (now Cirrus Logic). It is designed for a wide range of portable audio applications, providing high-quality audio playback and recording.

Applications

• Portable audio players (MP3 players)
• Digital voice recorders
• Personal navigation devices (PNDs)
• Mobile phones
• Multimedia devices

Features

• High-Performance Stereo Audio Codec: Delivers excellent audio quality.
• Low Power Consumption: Extends battery life in portable devices.
• Integrated Stereo ADC and DAC: Provides both analog-to-digital and digital-to-analog conversion.
• Headphone Amplifier: Drives headphones directly.
• Microphone Bias: Provides bias voltage for electret microphones.
• I2S Interface: Simplifies connection to digital audio processors.
• Flexible Audio Routing: Allows for versatile audio signal processing.
• Small Package: Saves board space in portable designs.

Benefits

• Superior Audio Quality: Delivers crisp and clear audio for an enhanced user experience.
• Extended Battery Life: Low power consumption maximizes battery life in portable applications.
• Reduced Component Count: Integrated ADC, DAC, and headphone amplifier minimize the need for external components.
• Simplified Design: I2S interface simplifies connection to other digital audio devices.
• Versatile Applications: Suitable for a wide range of portable audio applications.

Technical Specifications

The WM8770SIFT features high signal-to-noise ratio (SNR) and low total harmonic distortion (THD). It supports various audio sample rates and integrates a stereo ADC and DAC. The headphone amplifier is designed to drive a variety of headphone impedances. Specific details on SNR, THD, sample rates, and output power are available in the product datasheet.