參數(shù)資料
型號(hào): XWM8729ED
廠商: Wolfson Microelectronics
英文描述: 24-bit, 192kHz Stereo DAC
中文描述: 24位,192kHz的立體聲DAC
文件頁(yè)數(shù): 1/15頁(yè)
文件大?。?/td> 169K
代理商: XWM8729ED
WM8729
24-bit, 192kHz Stereo DAC
Product Preview, Rev 1.2, April 2001
WOLFSON MICROELECTRONICS LTD
Lutton Court, Bernard Terrace, Edinburgh, EH8 9NX, UK
Tel: +44 (0) 131 667 9386
Fax: +44 (0) 131 667 5176
Email: sales@wolfson.co.uk
www.wolfsonmicro.com
Product Preview
data sheets contain
specifications for products in the formative
phase of development. These products may
be changed or discontinued without notice.
2001 Wolfson Microelectronics Ltd
.
DESCRIPTION
The WM8729 is a high performance stereo DAC designed
for audio applications such as DVD, home theatre systems,
and digital TV. The WM8729 supports data input word
lengths from 16 to 24-bits and sampling rates up to 192kHz.
The WM8729 consists of a serial interface port, digital
interpolation filters, multi-bit sigma delta modulators and
stereo DAC in a small 16-pin SOIC package.
The WM8729 has a hardware control interface for selection
of audio data interface format and de-emphasis.
The WM8729 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
-
106dB SNR (‘A’ weighted @ 48kHz) DAC
-
-97dB THD
DAC Sampling Frequency: 8kHz – 192kHz
Pin Selectable Audio Data Interface Format
-
I
2
S or Right Justified
3.0V - 5.5V Supply Operation
16-pin SOIC Package
Exceeds Dolby Class A Performance Requirements
APPLICATIONS
DVD-Audio and DVD ‘Universal’ Players
Home theatre systems
Digital TV
Digital broadcast receivers
BLOCK DIAGRAM
SERIAL
INTERFACE
MUTE
CONTROL INTERFACE
BCKIN
VOUTL
VOUTR
SIGMA
DELTA
MODULATOR
LRCIN
DIN
MUTE
SIGMA
DELTA
MODULATOR
DIGITAL FILTERS
MCLK
DVDD
AVDD
AGND
DGND
DEM
MUTEB
FORMAT
LOW
PASS
FILTER
LOW
PASS
FILTER
VMID
RIGHT
DAC
LEFT
DAC
VREFN
VREFP
WM8729
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