STAC9704 Datasheet, PDF (7/49 Pages) Hynix Semiconductor – Multimedia Audio Codec for AC97

SigmaTel, Inc.
STAC9704/7
Figure 3 - Connection Diagram –
See Appendix A for an alternative connection diagram when using separate supplies.
See Appendix B for specific connection requirements prior to operation.
2 ohm * Ferrite Bead * _{* Suggested}
3.3V or 5V +/-10%
0.1uF
10uF
0.1uF
0.1uF
10uF
0.1uF
25
38
1
9
AVdd1 AVdd2
12
PC^_B EEP
DVdd1
DVdd2
2
XTL_IN
33pF
13
PHONE
14
AUX_L
15
AUX_R
16
VIDEO_L
17
VIDEO_R
18
CD_L
19
CD_GND
SIGMATEL
STAC9704/7
XTL_OUT 3
5
SDATA_OUT
6
BIT_CLK
8
SDATA_IN
10
SYNC
11
RESET
24.576MHz
33pF
Vref
27
0.1uF
10uF
20
CD_R
Vrefout ²⁸
21
MIC1
22
MIC2
23
LINE_IN_L
CAP2
32
0.1uF
35
LINE_OUT_L
10uF
24
560 to 1000 pF
29
560 to 1000 pF
30
LINE_IN_R
AFILT1
AFILT2
AVss1
36
LINE_OUT_R
37
MONO_OUT
AVss2 DVss1 DVss2 LNLVL_OUT_L LNLVL_OUT_R
26
NOTE: Pins 31, 33, 34, 40,
43 - 48 are No Connects
42 4
7
39
41
** Teminate ground
plane as close to power
supply as possible
Brd Analog Gnd
Brd Digital Gnd
7
10/02/98