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WM8714ED芯片特性与解密研究

时间:2012-05-11 08:57:44

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The WM8714 is a high performance stereo DAC designed for audio applications such as DVD, home theatre systems,and digital TV. The WM8714 supports data input word lengths from 16 to 24-bits and sampling rates up to 96kHz.The WM8714 consists of a serial interface port, digital interpolation filters, multi-bit sigma delta modulators and stereo DAC in a 14-pin SOIC package. The WM8714 has a hardware control interface for selection
of audio data interface format, mute and de-emphasis. The WM8714 supports I2S, and right Justified audio data interfaces. The WM8714 is an ideal device to interface to AC-3,DTS,and MPEG audio decoders for surround sound applications, or for use in DVD players.
FEATURES
·Stereo DAC
·Audio Performance
-  95dB SNR (‘A’weighted @ 48kHz) DAC
- -90dB THD
·DAC Sampling Frequency: 8kHz – 96kHz
·Pin Selectable Audio Data Interface Format
- I2S, Right Justified or DSP
·3 - 5V Supply Operation
·14-pin SOIC Package
·Pin Compatible with WM8725
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