TI TLV320AIC3107低功耗立体声CODEC方案

2009-07-16 16:08:00 TI

TI 公司的TLV320AIC3107是低功耗立体声音频编译码器(CODEC),并集成了立体声耳机放大器和单声道D类扬声器驱动器以及单端或全差分配置的多个输入和输出. TLV320AIC3107中的高性能音频DAC单端信噪比(SNR)可达97dBA,16/20/24/32位数据,支持采样速率从8kHz到96kHz,具有3D/低音/高音/EQ/De-Emphasis效果,高性能音频ADC信噪比(SNR)可达92dBA, 支持采样速率从8kHz到96kHz,并提供数字信号处理和噪音滤波,可用于手机,数码相机,手提媒体播放器和一般的手提音频设备.本文介绍了TLV320AIC3107的主要特性,简化功能方框图以及带寄存器的功能方框图, 评估板TLV320AIC3107EVM的主要特性, 无电容耳机和外接扬声器放大器典型连接图, 评估板电路图与材料清单;此外,还介绍了USB-MODEVM接口板电路图及其材料清单.

The TLV320AIC3107 is a low power stereo audio codec with stereo headphone amplifier, and mono class-D speaker driver, as well as multiple inputs and outputs programmable in single-ended or fully differential configurations. Extensive register-based power control is included, enabling stereo 48-kHz DAC playback as low as 15 mW from a 3.3-V analog supply, making it ideal for portable battery-powered audio and telephony applications.
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