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xin qi jian bao dao
Author(s): 
Pages: 54-55
Year: Issue:  8
Journal: Practical Audio-Visual Technique

Keyword:  立体声解码器芯片数字滤波器取样率输出缓冲放大器电源电压串行接口环绕声平面显示器;
Abstract: <正> WM8725/8733 24bit/96kHz立体声DAC芯片英国Wolfson Microelectronics公司(WWW.wolfson.co.uk.)最近推出的WM8725和WM8733立体声DAC芯片可处理24bit/8~96kHz取样率的数字音频信号,适用于DVD、VCD和环绕声播放机。这两种芯片都是Δ∑转换器,可减小时钟抖动,改善音质。它们内含可编程串行接口、数字滤波器和输出缓冲放大器,电源电压为3.3~5V。WM8725的信噪比是99db,WM8733则是103db,二者都采用
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