WM9703CFT/V Просмотр технического описания (PDF) - Wolfson Microelectronics plc
Номер в каталоге
Компоненты Описание
производитель
WM9703CFT/V Datasheet PDF : 30 Pages
| |||
DESCRIPTION
WM9703 is a high-quality stereo audio codec compliant
with the AC’97 Revision 2.1 specification. It performs full
duplex 18-bit codec functions and supports variable
sample rates from 8 to 48k samples/s and offers excellent
quality with high SNR. Additional features include 3D
sound and line-level outputs. In addition, support is
provided for variable sample rates and accommodation is
made for master/slave mode operation.
WM9703 is interchangeable with AC’97 codecs from
Wolfson and other suppliers. The WM9703 is fully
operable on 3.3V or 5V or mixed 3.3/5V supplies, and is
packaged in the industry standard 48-pin TQFP package
with 7mm-body size.
BLOCK DIAGRAM
WM9703
AC’97 Revision 2.1 Audio Codec
Production Data, January 2001, Rev 3.4
AC’97 FEATURES
• 3.3V or 5V operation
• 18-bit stereo codec
• S/N ratio > 95dB
• Multiple stereo input mixer
• Mono and stereo volume control
• 48-pin TQFP package
• Power management features
• Low power implementation
• Very low standby power
AC’97 REVISION 2.1 FEATURES
• Variable rate audio (VRA) support
• Analogue 3D stereo enhancement
• Line level outputs
• Supports Revision. 2.1 specified modem sample rates
and filtering
• Master/slave ID selection
• PC-beep connection when device held reset
VOL/
MUTE
VOL/
MUTE
KEY:
MONO
STEREO
CD (18,20)
LINEIN (23,24)
VIDEO (16,17)
AUX (14,15)
PHONE (13)
PCBEEP (12)
MIC[1] (21)
MIC[2] (22)
MUX
0dB/
20dB
VOL/
MUTE
VOL/
MUTE
VOL/
MUTE
VOL/
MUTE
VOL/
MUTE
Σ
3D
Σ
VOL/
MUTE
VOL/
MUTE
Σ
MUX
VOL/
MUTE
VOL
STEREO
DAC
SRC
(35,36) LINEOUT
(39,41) LNLVLOUT
(37) MONOOUT
(47) EAPD
(6) BITCLK
Σ
SERIAL
(10) SYNC
WM9703
I/F
(8) SDATAIN
(5) SDATAOUT
(11) RESETB
RECORD
MUX
AND
MUTE
VOL
STEREO
ADC
SRC
MASTER/
SLAVE
SELECT
OSC
(45) CID[0]
(46) CID[1]
(2) XTLIN
(3) XTLOUT
WOLFSON MICROELECTRONICS LTD
Lutton Court, Bernard Terrace, Edinburgh, EH8 9NX, UK
Tel: +44 (0) 131 667 9386
Fax: +44 (0) 131 667 5176Email: sales@wolfson.co.uk
http://www.wolfson.co.uk
Production Data datasheets contain final
specifications current on publication date.
Supply of products conforms to Wolfson
Microelectronics’ Terms and Conditions.
2001 Wolfson Microelectronics Ltd.
Share Link: 