STAC9750 Datasheet, PDF (70/73 Pages) Integrated Device Technology – VALUE-LINE TWO-CHANNEL AC’97 CODECS

STAC9750/9751
VALUE-LINE TWO-CHANNEL AC’97 CODECS
PC AUDIO
Figure 24. STAC9750/9751 Split Independent Power Supply Operation Typical Connection Diagram
3.3V or 5V ± 5%
*Suggested
3.3V ± 5%
0.1 µF
1 µF
0.1 µF
0.1 µF
10 µF
0.1 µF
*OPTIONAL
0.1 µF
820 pF
820 pF
25
AVdd1
38
AVdd2
12
PC_BEEP
13
PHONE
14
AUX_L
15
AUX_R
16
VIDEO_L
17
VIDEO_R
18
CD_L
19
CD_GND
20
CD_R
21
MIC1
22
MIC2
23
LINE_IN_L
24
LINE_IN_R
32
CAP2
1 µF*
STAC9750
29
AFILT1
30
AFILT2
AVss1
26
AVss2 DVss1
42 4
DVss2
7
1
9
DVdd1 DVdd2
2
XTL_IN
XTL_OUT
3
27 pF
24.576 MHz
27 pF
5
SDATA_OUT
6
BIT_CLK
22 Ω
8
SDATA_IN
10
SYNC
11
RESET#
EMI
Filter
27 pF
OPTIONAL
45
CID0
46
CID1
47
EAPD
28
VREFOUT
27
VREF
*OPTIONAL
31
NC
33
NC
34
NC
48
SPDIF
40
HP_COMM
44
GPIO1
43
GPIO0
35
LINE_OUT_L
36
LINE_OUT_R
37
MONO_OUT
HP_OUT_L ³⁹
0.1 µF
41
HP_OUT_R
1 µF*
*Terminate ground
plane as close to codec
as possible
Analog
Ground
Digital
Ground
IDT™
VALUE-LINE TWO-CHANNEL AC’97 CODECS
70
STAC9750/9751
V 5.8 103106