WM8727CGED/R 查看數據表（PDF） - Wolfson Microelectronics plc
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WM8727CGED/R Datasheet PDF : 18 Pages
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24-bit 192kHz Stereo DAC
WM8727
DESCRIPTION
The WM8727 is a high performance stereo DAC designed
for audio applications such as DVD, home theatre systems,
and digital TV. The WM8727 supports data input word
lengths from 16 to 24-bits and sampling rates up to 192kHz.
The WM8727 consists of a serial interface port, digital
interpolation filters, multi-bit sigma delta modulators and
stereo DAC in a very small 8-lead SOIC package.
The WM8727 supports a 16-24-bit I2S digital audio interface.
The WM8727 is an ideal device to interface to AC-3,
DTS, and MPEG audio decoders for surround sound
applications, or for use in DVD players, including supporting
the implementation of 2 channels at 192kHz for high-end
DVD-Audio applications.
FEATURES
Stereo DAC
Audio Performance
- 98dB SNR (‘A’ weighted @ 48kHz) DAC
- -84dB THD
DAC Sampling Frequency: 8kHz – 192kHz
Audio Data Interface Format
- 16-24-Bit I2S
2.7V – 5.5V Supply Operation
8-lead SOIC Package
Exceeds Dolby Class A Performance Requirements
APPLICATIONS
DVD Players
Digital TV
Digital Set Top Box
BLOCK DIAGRAM
BCKIN
LRCIN
DIN
SERIAL
INTERFACE
MUTE
MUTE
DIGITAL FILTERS
SIGMA
DELTA
MODULATOR
SIGMA
DELTA
MODULATOR
RIGHT
DAC
LEFT
DAC
LOW
PASS
FILTER
VOUTR
LOW
PASS
FILTER
VOUTL
WM8727
MCLK
VDD GND
WOLFSON MICROELECTRONICS plc
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Production Data, October 2011, Rev 4.7
Copyright 2011 Wolfson Microelectronics plc
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