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8.23. Audio Amp
12V
L200
R121/0805
VDDSUB
C675
C676
C677
C682
0.1U
0.1U
0.1U
0.1U
C0603
C0603
C0603
C0603
L201
R121/0805
VDDLR
C683
C684
C680
C666
0.1U
0.1U
0.1U
0.1U
C0603
C0603
C0603
C0603
3_3AMP
VDDSUB
C667
C668
0.1U
0.1U
R397
33
AOMCLK
1
MCLK
2
GND
3
PLLVDD
4
I145
CLKOUT
5
DVDD
AD8256
6
M0
7
DGND
R398
0
8
M1
AOSDATA1
9
SDATA0
10
SDATA1
R396
33
11
SDATA2
AOLRCK
12
LRCIN
R399
33
AOBCLK
AOMCLK
AOMCLK
AOSDATA1
AOSDATA1
AOLRCK
AOLRCK
AOBCLK
AOBCLK
VCC
VCC 3
12V
12V
3
3_3AMP
GPIO8
GPIO8
3
R403
R404
R504
0
4.7K
4.7K
AD8256_SDA
R505
0
AD8256_SCL
ViewSonic Corporation
L212
VCC
+
C749
R121/0805
470U/16V
L0805
I148
CE050080
C662
+
C671
3
IN
47U/16V
CE0250050
4
2
OUT
0.1U
(NC)47U/16V
1
ADJ
+
C750
470U/16V
AIC117-3.3V/SOT223
CE050080
LB
LA
RA
RB
HP-SPK
C663
1n
HPL
C673
36
HPL
C0603
HPR
35
HPR
47U/16V
34
AGND
33
AVDD
R507
100K
32
PWMSA
AD8256_DEF
31
DEF
AD8256_SDA
30
SDA
AD8256_SCL
29
SCL
28
SA1
27
SA0
26
ERROR
AD8256_PD
25
PD
R506
1M
VDDLR
AD8256_RST
SRB
SRA
SLA
SLB
3_3AMP
R445
GPIO8
R451
10K
IOSDA
IOSDA
3
IOSCL
IOSCL
3
77
N2652w-1M
Confidential - Do Not Copy
L182
R121/0603
RA
L183
R121/0603
LA
3_3AMP
R394
R402
10
10
C672
C674
C658
C660
+
1n
1n
C0603
C0603
0.1U
C659
C744
1n
1n
C0603
C0603
GNDP
R395
R494
10
10
L184
R121/0603
RB
L185
R121/0603
LB
L186
R121/0603
SRA
L208
R121/0603
SLA
R393
R401
3_3AMP
10
10
C768
C762
1n
1n
C0603
C0603
C754
C753
1n
1n
C0603
C0603
3_3AMP
R408
R410
10
10
L209
R121/0603
SRB
L210
R121/0603
SLB
3_3AMP
4.7K
AD8256_PD
Q118
1
B
SOT
3
C
23
R508
2
E
R455
1M
10K
MMBT3904
AD8256_RST
C664
1n
L202
15uH
C661
0.1U
C0603
C745
0.1U
R413
C0603
10
0.47U/63V
GNDP
R417
GNDP
C657
0.1U
C0603
10
C656
0.1U
C0603
L203
15uH
L206
15uH
C752
0.1U
C0603
C763
0.1U
R400
C0603
10
0.47U/63V
R409
GNDP
GNDP
C764
0.1U
C0603
10
C761
0.1U
C0603
L207
15uH
R241 47
C448 47U/16V
HPR
HP-SPK
R242 47
C449 47U/16V
HPL
R414
R422
C755
C717
0.1U
0.1U
10
10
C0603
C0603
C446
C447
1n
1n
C0603
C0603
C756
1n
C0603
C767
GNDP
C757
1n
C0603
P109
4
L-
3
L+
2
R-
1
R+
CON4 P=2.5mm
C758
1n
C0603
C751
GNDP
C759
1n
C0603
P110
1
R511
33K
2
3
4
5
R449
C719
R450
Ear Phone_Jack
0.1U
C0603
1K
1K
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