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1999 May 10 44
Philips Semiconductors Preliminary specification
Universal Serial Bus (USB) CODEC UDA1325
APPLICATION INFORMATION
Fig.8 Application diagram UDA1325H (continued in Fig.9).
handbook, full pagewidth
17
GP0/BCKI
15
GP5/WSI
13
GP1/DI
6
D−
8
D+
12
V
DDE
11
V
SSE
9
V
DDI
10
3839
V
SSI
UDA1325H
+V
D
100 nF
(63 V)
100 nF
(63 V)
C27
C26
R25
1 Ω
L3
BLM32A07
+V
C
+V
D
+V
C
+V
A
100 nF
(63 V)
100 nF
(63 V)
C24
C25
R17
1 Ω
L2
BLM32A07
BLM32A07
12 pF (63 V)
C37
12 pF (63 V)
C38
+V
A
100 nF
(63 V)
47 µF
(16 V)
C34
C38
R35
1 Ω
+V
C
25
XTAL1b
26
XTAL2b
R48
1.5 kΩ
47
VINR
R7
22 Ω
R16
22 Ω
61
BCK
59
WS
57
DA
X4
digital
input
playback
digital
input
recording
BCKI
WSI
DI
BCK
WS
DA
C18
22 pF
(63 V)
C17
22 pF
(63 V)
C16
10 nF
(50 V)
1
L1
8
2
7
3
6
45
V
DDA1
V
SSA1
4244
+V
A
100 nF
(63 V)
47 µF
(16 V)
C32
C21
R27
1 Ω
V
DDA2
V
SSA2
1
53
XTAL2a
54
XTAL1a
10 nF (63 V)
C44
L5
1.5 µH
V
USB
C47
100 µF
(16 V)
C46
100 µF
(16 V)
C45
100 µF
(16 V)
C6
18 pF
(50 V)
C5
18 pF
(50 V)
10 nF
(50 V)
C15
X1 48 MHz
ADC XTAL
L8
BLM32A07
L7
BLM32A07
L6
V
D(ext)
V
A(ext)
GND
MGM760
4
3
2
1
C8
47 µF (16 V)
43
VINL
C22
47 µF (16 V)
analog
input
recording