stac9220d5taea6xr Integrated Device Technology, stac9220d5taea6xr Datasheet - Page 29

• Manufacturer Part Number: stac9220d5taea6xr
• Description: Eight Channel High Definition Audio Codecs
• Manufacturer: Integrated Device Technology

IDT™
8-CHANNEL HIGH DEFINITION AUDIO CODEC
STAC9220
8-CHANNEL HIGH DEFINITION AUDIO CODEC
LINK PINS
FILTER PINS
ANALOG I/O
STANDARD
5.3.
N.C. = No Connect
Filter
EMI
TUNE TO LAYOUT
STAC9220 Split Independent Power Supply for 48-pin LQFP
27 pF
22 Ω
820 pF
1 µF
1 µF
820 pF
33
18
12
14
15
19
20
10
11
2
5
6
8
27
3
30
31
Volume Down
CAP2
AFILT2
AFilt1
Vref Filt
Figure 3. Split Independent Power Supply STAC9220
SYNC
RESET#
PC Beep
Port E_L
Port E_R
CD_L
CD_G
CD_R
SDATA_IN
Volume Up
SDATA_OUT
BIT_CLK
26
AVdd2
AVss1
38
AVss2
1 µF
*OPTIONAL
2 Ω*
in 48-pin LQFP
AVdd1
42
25
3.3V Analog
STAC9220
DVss
0.1 µF
4
29
Ferrite Bead
DVss2
7
DVdd
1
DVdd
SPDIF_IN/EAPD
9
GPIO/LR_CLK
1 µF
GPIO/SDATA
SPDIF_OUT
GPIO/SCLK
STAC9220
SENSE_A
Vref OutA
Vref OutC
Vref OutD
Vref OutB
Port B_L
Port C_R
Port D_R
Port B_R
Port A_R
Port C_L
Port D_L
Port F_L
Port F_R
Port A_L
Sense B
plane as close to codec
N.C.
N.C.
0.1 µF
Ground
*Terminate ground
Analog
as possible
1 µF
1 µF
32
29
37
28
21
34
40
43
44
23
24
35
36
16
45
46
47
48
22
39
41
17
13
3.3V ± 5%
1 µF
Ground
Digital
*OPTIONAL
*OPTIONAL
1 µF
0.1 µF
0.1 µF
UNIVERSAL
GPIO PINS
JACKS
Sense Pins
SPDIF I/O
PC AUDIO
Mic Bias
*OPTIONAL
PINS
0.1 µF
V1.0 01/08
TM
*OPTIONAL
0.1 µF