Atmel的 音频解决方案

Keywords：Stereo Audio DAC ， Mono Audio Power Amplifier ，AT73C240

该评估套件可让设计人员快速评估AT73C240的音频能力，并进行原型设计和测试新的设计。单机板便于利用示范软件产品评估。

基本特性：

The AT73C240 is a fully integrated, low-cost, combined stereo audio DAC and audio power amplifier circuit targeted for Li-Ion or Ni-Mh battery powered devices such as mobile phones, smartphones, PDA, DECT phones, digital still cameras, music players or any other type of handheld device where an audio interface is needed.

Stereo Audio DAC

– 2.7V to 3.3V Analog Supply Operation

– 2.4V to 3.3V Digital Supply Operation

– 20-bit Stereo Audio DAC

– 90 dB SNR Playback Stereo Channels

– 32 Ohm/20 mW Stereo Headset Drivers with Master Volume and Mute Controls

– Stereo Line Level Input with Volume Control/Mute and Playback through the Headset Drivers

– Accepts Mixed Signals from All Signal Paths (Line Inputs and DAC Output)

– 8, 11.024, 16, 22.05, 24, 32, 44.1 and 48 kHz Sampling Rates

– 256x or 384xFs Master Clock Frequency

– I2S Serial Audio Interface

• Mono Audio Power Amplifier

– Supply Input from Main Li-Ion Battery (3V to 5.5V)
..

查看全文