STA323W ST Microelectronics, STA323W Datasheet - Page 4

• Manufacturer Part Number: STA323W
• Description: 2.1 High Efficiency Digital Audio System
• Manufacturer: ST Microelectronics

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DataSheet
STA323W
Figure 8. BLOCK DIAGRAMS (refer to Stereo Application Circuit)
Figure 9. Pin Description
4/41
4
U
550pF
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3.3V
3.3V
3.3V
7250
20pF
GNDCLEAN
GND REG
Vcc Sign
CONFIG
V
RESET
DD REG
LRCKI
GNDA
BICKI
VDDA
GND
VDD
SDA
SCL
V
SDI
XTI
VL
SS
19
35
36
18
20
21
23
24
22
32
30
31
26
27
29
28
34
33
17
GNDCLEAN
GNDREG
REGULATORS
GND2B
GND2A
GND1B
GND1A
PROTECTION
OUT2B
OUT2A
OUT1B
OUT1A
MODULATOR
V
V
V
V
DIGITAL
CC
CC
CC
CC
1, 2, 5, 14,
LOGIC
N.C.
N.C.
N.C.
N.C.
PWM
&
N.C.
2B
2A
1B
1A
10
11
12
13
14
15
16
17
18
M17
M15
M16
M14
M3
M2
M5
M4
1
2
3
4
5
6
7
8
9
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RES
25
15
16
13
11
10
12
8
9
7
4
3
6
V
OUT1A
V
OUT1B
GND1B
V
OUT2A
GND2A
V
OUT2B
GND2B
GND1A
CC
CC
CC
CC
1A
1B
2A
2B
100nF
100nF
C30
C32
C31
1µF
C33
1µF
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
330pF
R104
C52
R63
L113 22µH
L112 22µH
20
20
L18 22µH
L19 22µH
D00AU1541
RES
V CC SIGN
V SS
V
GND
BICKI
LRCKI
SDI
V
GNDA
XTI
PLL FILTER
SDA
SCL
RESET
CONFIG
V DD REG
VL
100nF
100nF
100nF
100nF
R100
C110
R103
R102
C111
C20
R98
C21
DD
DDA
6
6
6
6
100nF
100nF
100nF
100nF
C101
C107
C106
C99
470nF
470nF
C108
C23
+V
1000µF
C55
CC
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