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WM8728SEDS/RV 参数 Datasheet PDF下载

WM8728SEDS/RV图片预览
型号: WM8728SEDS/RV
PDF下载: 下载PDF文件 查看货源
内容描述: 24位, 192kHz的立体声DAC,具有音量控制 [24-bit, 192kHz Stereo DAC with Volume Control]
分类和应用: 转换器光电二极管
文件页数/大小: 30 页 / 482 K
品牌: WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
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24-bit, 192kHz Stereo DAC with
Volume Control
DESCRIPTION
The WM8728 is a high performance stereo DAC designed
for audio applications such as DVD, home theatre systems,
and digital TV. The WM8728 supports PCM data input word
lengths from 16 to 32-bits and sampling rates up to 192kHz.
The WM8728 consists of a serial interface port, digital
interpolation filters, multi-bit sigma delta modulators and
stereo DAC in a small 20-lead SSOP package. The
WM8728 also includes a digitally controllable mute and
attenuate function for each channel.
The WM8728 supports a variety of connection schemes for
audio DAC control. The 2 or 3-wire MPU serial port provides
access to a wide range of features including on-chip mute,
attenuation and phase reversal. A hardware controllable
interface is also available
The WM8728 is an ideal device to interface to AC-3™,
DTS™, and MPEG audio decoders for surround sound
applications, or for use in DVD players supporting DVD-A.
WM8728
FEATURES
Stereo DAC with 24 bit PCM
Audio Performance
-
106dB SNR (‘A’ weighted @ 48kHz) DAC
-
-97dB THD
DAC Sampling Frequency: 8kHz - 192kHz
2 or 3-Wire Serial Control Interface or Hardware Control
Programmable Audio Data Interface Modes
-
I
2
S, Left, Right Justified, DSP
-
16/20/24/32 bit Word Lengths
Independent Digital Volume Control on Each Channel with
127.5dB Range in 0.5dB Steps
3.0V - 5.5V Supply Operation
20-lead SSOP Package
Exceeds Dolby Class A Performance Requirements
APPLICATIONS
DVD-Audio and DVD ‘Universal’ Players
Home theatre systems
Digital TV
Digital broadcast receivers
BLOCK DIAGRAM
WOLFSON MICROELECTRONICS plc
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Production Data, August 2008, Rev 4.6
Copyright
©2008
Wolfson Microelectronics plc