TI TLV320AIC3254低功耗立体声CODEC开发方案

2009-07-16 16:11:00 TI

TI 公司的TLV320AIC3254是低压低功耗立体声音频CODEC器件,具有可编程的输入和输出. TLV320AIC3254集成了PowerTune功能,全编程的miniDSP,固定的预定夷和参数化信号处理区块,PLL,LDO和灵活的数字接口. TLV320AIC3254中的立体声音频DAC具有100dB的SNR, 4.1mW 立体声 48ksps DAC,立体声音频ADC具有93dB SNR和6.1mW 立体声 48ksps ADC 录音.可广泛用于手提导航系统(PND),PMP,手机,通信和手提计算,回声消除(AEC)和噪音消除以及高档DSP算法.本文介绍了TLV320AIC3254主要特性,方框图,典型电路配置以及TLV320AIC3254EVM-K评估套件的主要特性, 方框图,详细电路图和材料清单.同时还介绍了USB-MODEVM的详细电路图和材料清单.

The TLV320AIC3254 (sometimes referred to as the AIC3254) is a flexible, low-power, low-voltage stereo audio codec with programmable inputs and outputs. PowerTune capabilities, fully programmable miniDSP, fixed predefined and parameterizable signal processing blocks, integrated PLL integrated LDOs and flexible digital interfaces.

TLV320AIC3254主要特性:

Stereo Audio DAC with 100dB SNR
4.1mW Stereo 48ksps DAC Playback
Stereo Audio ADC with 93dB SNR
6.1mW Stereo 48ksps ADC Record
PowerTune™
Extensive Signal Processing Options
Embedded miniDSP
Six Single-Ended or 3 Fully-Differential Analog Inputs
Stereo Analog and Digital Microphone Inputs
Stereo Headphone Outputs
Stereo Line Outputs
Very Low-Noise PGA ..

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