Wolfson WM8352 AudioPlus立体声CODEC方案

Wolfson公司的WM8352是有功率管理的AudioPlus立体声CODEC子系统,集成了高质立体声录音和播放所需的所有功能,可编程的片上放大器可直接连接到耳机放大器和麦克风.片中DAC的SNR为95dB,THD为-81dB,ADC的SNR为95dB,THD为-83dB,能向16欧姆的耳机提供THD=-72dB的输出功率20mW,主要应用在手提音频和媒体播放器,手提导航设备和其它手提系统.本文介绍了WM8352主要特性,方框图,系统方框图以及典型应用电路.

WM8352: Wolfson AudioPlus™ Stereo CODEC with Power Management

The WM8352 is an integrated audio and power management subsystem which provides a cost effective, single-chip solution for portable audio and multimedia systems.

The integrated audio CODEC provides all the necessary functions for high-quality stereo recording and playback. Programmable on-chip amplifiers allow for the direct connection of headphones and microphones with a minimum of external components.A programmable low-noise bias voltage is available to feed one or more electret microphones.
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