Schematics

C
1 3
REV:SIZE:CODE:
DRAWN: DATED:
DATED:CHECKED:
QUALITY CONTROL: DATED:
DATED:RELEASED:
COMPANY:
TITLE:
DRAWING NO:
SHEET: OFSCALE:
REVISION RECORD
APPROVED:ECO NO:LTR DATE:
123456
D
C
B
A
C
D
B
A
Layout Width 80mil
3V3
5V
3V3
38
MBIAS
2
HBIAS
40
MIC1P
1
MIC1N
37
MIC2P/DMICCLK
39
MIC2N/DMICDAT
4
LINEINL
3
LINEINR
5
VRP
14
VRA1
13
VRA2
6
VRN
7
AGND
30
MCLK1
29
BCLK1
28
LRCK1
27
SDOUT1
26
SDIN1
32
SCK
31
SDA
34
BYPASS
35
VDD-CORE
15
VPP
20
CPVEE
16
VEE
23
CPP
21
CPN
17
HPOUTL
19
HPOUTR
18
HPOUTFB
11
SPOLP
12
SPOLN
9
SPORP
10
SPORN
24
IRQ
33
VCC-IO1
25
VCC-IO0
22
CPVDD
8
AVCC
36
LDOIN
41
GND
U24
AC101
C83
2.2uF
C84
2.2uF
C85
2.2uF
C86
10uF
C87
2.2uF
C88
10uF
C891uF
C90
4.7uF
1
2
R67
0R
1
2
R68
220K
C172
1uF
C173
10nF
C174
1uF
C175
10nF
C212
10uF
C21310uF
C641uF
C155
1uF
C274
100nF
C275
100nF
C1
1uF
C2
1uF
2
IN
7
EN
8
SS
4
GND
1
BS
3
LX
5
FB
6
COMP
U1
VP2128
C4
22uF
C5
100nF
L3
4.7uH
C6
10nF
C7
NC
1
2
R1
10K
1
2
R2
3.9K
1
2
R3
10K
C8
6.8nF
C9
NC
C10
22uF
1
2
R4
100K
2
IN
7
EN
8
SS
4
GND
1
BS
3
LX
5
FB
6
COMP
U2
VP2128
C11
22uF
C12
100nF
L1
4.7uH
C13
10nF
C14
NC
1
2
R5
1K
1
2
R6
10K
1
2
R8
10K
C15
6.8nF
C16
NC
C17
22uF
1
2
R12
100K
3
VIN
2
OUT
1
GND
U6
BL8509-300DNRM
R23 10K
R24 10K
3
VIN
2
OUT
1
GND
U12
BL8509-300DNRM
TP8
TP9
1
GND
2
IN
3
OUT
U13
LM117H
MCLK
I2S_BCLK
I2S_LRCK
I2S_DAC_DATA1
I2S_DAC_DATA0
AIN0_P
AIN1_P
1V8
3V3
1V8
5V
I2C_SCL
I2C_SDA
AIN0_P
AIN1_P
REF_IN0
REF_IN1
5V
3.3V
5V
1.0V
PG_3V3
3V3
5V
3V3
PG_3V3
PORST_N