STAC9766 Datasheet, PDF (19/97 Pages) Integrated Device Technology – TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING

STAC9766/9767
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
PC AUDIO
3.3V or 5V ± 5%
Figure 10. Split Independent Power Supply Operation
*Suggested
3.3V ± 5%
1 µF*
*OPTIONAL
820 pF
820 pF
0.1 µF
1 µF
0.1 µF
0.1 µF
10 µF 0.1 µF
(Near Clk source)
25
38
AVdd1 AVdd2
1
9
DVdd1 DVdd2
XTL_IN
OPTIONAL
27 pF
CLOCK_IN*
*Add resistive divider
when using 5V clock.
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
0.1 µF
24.576 MHz
XTL_OUT
0Ω
27 pF
5
SDATA_OUT
6
BIT_CLK
8
SDATA_IN
10
SYNC
11
RESET#
STAC9766 (5V Analog)
or
STAC9767 (3.3V Analog)
45
CID0
46
CID1
47
EAPD
28
VREFOUT
27
VREF
22 Ω
EMI
Filter
27 pF
TUNE TO LAYOUT
1 µF
31
NC
33
NC
34
NC
48
SPDIF
44
GPIO1
43
GPIO0
35
LINE_OUT_L
29
AFILT1
30
AFILT2
AVss1
AVss2 DVss1
DVss2
36
LINE_OUT_R
37
MONO_OUT
HP_OUT_L ³⁹
40
HP_COMM
41
HP_OUT_R
HP_COMM should be tied to
ground at the headphone pin.
26
42 4
7
*Terminate ground
plane as close to codec
as possible
Analog
Ground
Digital
Ground
IDT™
19
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
STAC9766/9767
V 7.4 12/06