STAC9220 Datasheet, PDF (30/172 Pages) Integrated Device Technology – 8-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9220/9221/9223
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
5.6.
STAC9221 Split Independent Power Supply for 48-pin LQFP
Figure 6. Split Independent Power Supply STAC9221
*O P TIO N A L
2 Ω*
Ferrite Bead
3.3V ± 5%
1 µF
0.1 µF
1 µF
0.1 µF
38
AVdd2
2
Volume Up
3 _{Volum e Dow n}
EMI _{22 Ω}
F ilte r
27 pF
TUNE TO LAYOUT
LINK PINS
5
SDATA_OUT
6
B IT _ C L K
8
S D A T A _ IN
10
SYNC
11
RESET#
33
1 µF
CAP2
1 µF
27 Vref Filt
FILTER PINS
820 pF
31
A F IL T 2
30 _AFilt1
820 pF
12
PC Beep
14 _{Port E_L}
15
Port E_R
STANDARD
ANALOG I/O
N .C. = No Connect
18
CD_L
19 _{CD_G}
20 _{CD_R}
AVss1
26
25
AVdd1
1
9
DVdd DVdd
13
SENSE_A
34
Sense B
Sense Pins
STAC9221
(3.3V Analog)
in 48-pin LQFP
N .C .
N .C .
G PIO /LR_CLK/I2S O ut
G PIO /SDATA
GPIO /SCLK
S P D IF _ IN /E A P D
SPDIF_O UT/ADAT
Vref OutD
40
43
44
45
46
47
48
32
Vref O utB 28
Vref OutA 37
1 µF
1 µF
29
Vref OutC
1 µF
SPDIF I/O
GPIO PINS
1 µF
0.1 µF
*O PTIO N A L
0.1 µF
*O P T IO N A L
0.1 µF
*O P T IO N A L
M ic Bias
0.1 µF
*O PTIO N A L
AVss2 DVss
42 4
DVss2
7
21
Port B_L
Port B_R ²²
23
Port C_L
Port C_R ²⁴
Port D_L ³⁵
Port D_R 36
Port A_L ³⁹
Port A_R
41
Port F_L 16
Port F_R 17
U N IV E R S A L
JACKS^TM
P IN S
*Term inate ground
plane as close to codec
as possible
A n a lo g
Ground
D igital
Ground
IDT™
8-CHANNEL HIGH DEFINITION AUDIO CODEC
30
STAC9220/9221/9223
V 0.96 102706