WM8727_06 Datasheet, PDF (1/16 Pages) Wolfson Microelectronics plc – 24-bit 192kHz Stereo DAC

w
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
LOW
PASS
FILTER
VOUTR
LEFT
DAC
LOW
PASS
FILTER
VOUTL
W
WM8727
MCLK
VDD GND
WOLFSON MICROELECTRONICS plc
To receive regular email updates, sign up at http://www.wolfsonmicro.com/enews/
Production Data, July 2006, Rev 4.2
Copyright 2006 Wolfson Microelectronics plc