鈥?/div>
18-bit stereo codec
S/N ratio > 95dB
Multiple stereo input mixer
Mono and stereo volume control
Power management features
Very low standby power
Variable rate audio (VRA) support
Analogue 3D stereo enhancement
Line level outputs
Supports Rev. 2.1 specified audio and modem sample
rates and filtering
PC-beep connection when device held reset
3.3V or 5V operation
28-pin SSOP package
BLOCK DIAGRAM
VOL/
MUTE
危
VOL/
MUTE
VOL/
MUTE
(25,56) LINEOUT
KEY:
MONO
STEREO
危
MUX
VOL/
MUTE
(26) MONOOUT
VOL/
MUTE
STEREO
DAC
SRC
VOL/
MUTE
(7) BITCLK
VOL/
MUTE
危
危
WM9708
SERIAL
I/F
(10) SYNC
(9) SDATAIN
(6) SDATAOUT
(11) RESETB
VOL/
MUTE
VOL
CD (13,15)
LINEIN (17,18)
RECORD
MUX
AND
MUTE
0dB/
20dB
STEREO
ADC
SRC
PCBEEP (12)
MIC1 (16)
MUX
OSC
(4) XTLIN
(5) XTLOUT
WOLFSON MICROELECTRONICS LTD
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
Advanced Information
data sheets contain
preliminary data on new products in the
preproduction phase of development.
Supplementary data will be published at a
later date.
餂?001
Wolfson Microelectronics Ltd
.