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Schematic Diagrams
AUDIO CODEC VT1802S
D
Sheet 35 of 46
C
AUDIO CODEC
VT1802S
20
20
B
A
B - 36 AUDIO CODEC VT1802S
5
4
CODEC (VT1802S)
3.3VS
3.3VS_AUD
L50
L50
HCB1005KF-121T20
HCB1005KF-121T20
AZ_RST# For 3.3V
PD# Control
3.3VS_AUD
HDA Link De-pop
C485
C485
D13 *RB751S-40C2
D13 *RB751S-40C2
0.1u_16V_Y5V_04
0.1u_16V_Y5V_04
C
A
EAPD_MODE
R299
R299
D12 RB751S-40C2
D12 RB751S-40C2
10K_04
10K_04
C
A
20,36
HDA_RST#
D14 RB751S-40C2
D14 RB751S-40C2
C
A
36
KBC_MUTE#
3.3VS_AUD
R710
R710
*10K_04
*10K_04
C877
C877
*0.1u_16V_Y5V_04
*0.1u_16V_Y5V_04
3.3VS
R741
R741
0_04
0_04
R298
R298
30
MIC_DAT
R742
R742
0_04
0_04
30
MIC_CLK
R711
R711
*10K_04
*10K_04
C878
C878
*0.1u_16V_Y5V_04
*0.1u_16V_Y5V_04
100K_04
100K_04
3.3VS
Layout Note:
Close to PCH
RN18
RN18
22_8P4R_04
22_8P4R_04
5
4
20
HDA_SYNC
HDA_RST#
6
3
HDA_RST#R
7
2
HDA_SDOUT
8
1
HDA_BITCLK
R300
R300
33_04
33_04
20
HDA_SDIN0
C641
C641
22p_50V_NPO_04
22p_50V_NPO_04
R748
R748
0_04
0_04
R319
R319
*10K_04
*10K_04
D
S
3.3V
Q10
Q10
R301
R301
1M_04
1M_04
*MTN7002ZHS3
*MTN7002ZHS3
FOR VOLUMN ADJUST
5VS
PC BEEP
D15
D15
1u_6.3V_X5R_04
1u_6.3V_X5R_04
BAT54CS3
BAT54CS3
1
A
A
36
BEEP
C
C
3
BEEP_L
R309
R309
47K_04
47K_04
BEEP_R
2
A
A
20
HDA_SPKR
R310
R310
4.7K_04
4.7K_04
Please Let LC Filter
C487
C487
100p_50V_NPO_04
100p_50V_NPO_04
together and close to
Codec.IF Speaker
wire length is less
than 8000mils It don't
need the LC Filter.
3.3VS_AUD
5VS
20ms
AZ_RST#
PD#
Speaker wire length less than 8000mils , It don't need LC Filter.
SPKOUTR+,R-,L+,L- Trace width
Speaker 4 ohm------> 40mils
Speaker 8 ohm------> 20mils
5
4
3
PVDD1_2
R291
R291
*15mil_short_06
*15mil_short_06
5VS
3.3VS_AUD
C476
C476
C475
C475
0.1u_16V_Y5V_04
0.1u_16V_Y5V_04
10u_6.3V_X5R_06
10u_6.3V_X5R_06
C683
C683
C681
C681
10u_6.3V_X5R_06
10u_6.3V_X5R_06
0.1u_16V_Y5V_04
0.1u_16V_Y5V_04
C679
C679
C680
C680
*0.1u_16V_Y5V_04
*0.1u_16V_Y5V_04
*10u_6.3V_X5R_06
*10u_6.3V_X5R_06
5VS_AUD
C684
C684
C682
C682
C672
C672
C668
C668
10u_6.3V_X5R_06
10u_6.3V_X5R_06
0.1u_16V_Y5V_04
0.1u_16V_Y5V_04
0.1u_16V_Y5V_04
0.1u_16V_Y5V_04
10u_6.3V_X5R_06
10u_6.3V_X5R_06
U18
U18
4
13
SENSE_A
R290
R290
PD#
Sense A
R289
R289
14
C478
C478
LINE2-L
SPKOUTL+
40
15
SPK-L+
LINE2-R
SPKOUTL-
41
VT1802S
SPK-L-
16
MIC2_L
C472
C472
10u_6.3V_X5R_06
10u_6.3V_X5R_06
MIC2-L
SPKOUTR-
44
17
MIC2_R
C466
C466
10u_6.3V_X5R_06
10u_6.3V_X5R_06
SPK-R-
MIC2-R
45
SPKOUTR+
SPK-R+
18
NEAR CODEC
Sense-B
47
EAPD_MODE
VT1802S
SPDIFC2/EAPD
48
19
JDREF
R288
R288
SPDIFO
JDREF
20
C460
C460
MONO-OUT
DMIC_DAT_R
2
GPIO0-DMIC-DAT
DMIC_CLK_R
3
21
MIC1-L_R
C457
C457
10u_6.3V_X5R_06
10u_6.3V_X5R_06
GPIO1-DMIC-CLK
MIC1-L
22
MIC1-R_R
C442
C442
10u_6.3V_X5R_06
10u_6.3V_X5R_06
MIC1-R
DIGITAL
DIGITAL
ANALOG
ANALOG
VT1802S
23
LINE1-L
AZ_SDOUT_R
5
24
SDATA-OUT
LINE1-R
AZ_BITCLK_R
6
27
VREF-ALC269
BIT-CLK
VREF
AZ_SDIN0_R
8
28
LDO_CAP
SDATA-IN
LDO_CAP
30
MIC1-VREFO-R
MIC1-VREFO-R
AZ_SYNC_R
10
29
MIC2-VREFO
SYNC
MIC2-VREFO
HDA_RST#R
11
32
RESET#
HP-OUT-L
C483
C483
33
HP-OUT-R
PCBEEP
12
PCBEEP
35
CBN-AL269
C445
C445
CBN
36
CBP-ALC269
CBP
34
C482
C482
OPVEE-ALC269
OPVEE
100p_50V_NPO_04
100p_50V_NPO_04
C446
C446
VT1802S
VT1802S
2.2u_6.3V_X5R_04
2.2u_6.3V_X5R_04
MIC1-VREFO-L
AUDG
AUDG
R558
R558
0_04
0_04
AUDG
R557
R557
*0_04
*0_04
Thermal Pad place 9
VT1802P AUDG
ALC269 GND
Via hole.
J_SPK1
2
1
SPKOUTL+
L46
L46
FCM1608K-121T06
FCM1608K-121T06
SPKOUTL+_L
J_SPKL1
J_SPKL1
C462
C462
C465
C465
1
180p_50V_NPO_04
180p_50V_NPO_04
2
*1u_6.3V_X5R_04
*1u_6.3V_X5R_04
85204-02001
85204-02001
SPKOUTL-
SPKOUTL-_L
L47
L47
FCM1608K-121T06
FCM1608K-121T06
C468
C468
180p_50V_NPO_04
180p_50V_NPO_04
SPKOUTR+
SPKOUTR+
33
SPKOUTR-
SPKOUTR-
33
3,6,9,10,11,12,19,20,21,22,23,24,26,27,28,29,30,31,32,33,34,36,37,41
3
2
1
Layout note:
GND and AUDG space is
60mils ~ 100mils
5VS
L41
L41
*HCB1005KF-121T20
*HCB1005KF-121T20
C458
C458
C456
C456
C438
C438
0.1u_16V_Y5V_04
0.1u_16V_Y5V_04
*10u_6.3V_X5R_06
*10u_6.3V_X5R_06
*1u_6.3V_X5R_04
*1u_6.3V_X5R_04
ANALOG
DIGITAL
EMI Require
AUDG
20K_1%_04
20K_1%_04
L44
L44
HCB1005KF-121T20
HCB1005KF-121T20
MIC_SENSE
33
39.2K_1%_04
39.2K_1%_04
HP_SENSE
33
100p_50V_NPO_04
100p_50V_NPO_04
AUDG
JP3
JP3
*10mil_short
*10mil_short
10u
AUDG
INT_MIC
JP2
JP2
*10mil_short
*10mil_short
C437
C437
0.1u_16V_Y5V_04
0.1u_16V_Y5V_04
5.1K_1%_04
5.1K_1%_04
5.1K_1%_04
100p_50V_NPO_04
100p_50V_NPO_04
C481
C481
0.1u_16V_Y5V_04
0.1u_16V_Y5V_04
MIC1_L
AUDG
MIC1_R
AUDG
10u
C447
C447
0.1u_16V_Y5V_04
0.1u_16V_Y5V_04
C441
C441
10u_6.3V_X5R_06
10u_6.3V_X5R_06
VT1802S
10u
C440
C440
*10u_6.3V_X5R_06
*10u_6.3V_X5R_06
MIC2-VREFO
VT1802S
NC PIN
D03
AUDG
VT1802S
R540
R540
HEADPHONE-L
33
HEADPHONE-R
33
3.3K_04
3.3K_1%_04
3.3K_1%_04
2.2u_6.3V_X5R_04
2.2u_6.3V_X5R_04
INT_MIC
R539
R539
1K_04
1K_04
INT_MIC_OUT
INT_MIC_OUT
VT1802S
C665
C665
100P
100p_50V_NPO_04
100p_50V_NPO_04
VT1802S
75_1%_05
MIC1_R
R268
R268
75_04
75_04
MIC1-R
MIC1_L
R275
R275
75_04
75_04
MIC1-L
MIC1-VREFO-L
R276
R276
3.3K_1%_04
3.3K_1%_04
MIC1-VREFO-R
R277
R277
3.3K_1%_04
3.3K_1%_04
VT1802S
3.3K_1%_04
NC2
NC1
! ! ! !!DMFWP!DP/
! ! ! !!DMFWP!DP/
! ! ! !!DMFWP!DP/
Title
Title
Title
[35]AUDIO CODEC VT1802S
[35]AUDIO CODEC VT1802S
[35]AUDIO CODEC VT1802S
12,19,20,30,33,34,35,37,41,42
5VS
12,19,20,30,33,34,35,37,41,42
5VS
Size
Size
Size
Document Number
Document Number
Document Number
2,3,12,17,20,24,25,28,29,31,33,37,38,40,42
3.3V
6-71-W65J0-D01
6-71-W65J0-D01
6-71-W65J0-D01
Custom
Custom
Custom
6-7P-W65J4-001
6-7P-W65J4-001
6-7P-W65J4-001
3.3VS
Date:
Date:
Date:
Wednesday, February 12, 2014
Wednesday, February 12, 2014
Wednesday, February 12, 2014
2
1
D
C
30
33
B
33
A
Rev
Rev
Rev
1.0
1.0
1.0
Sheet
Sheet
Sheet
35
35
35
of
of
of
46
46
46
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