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AUDIO CODEC VT1802P
CODEC (ALC269 & VT1802P)
AZ_RST# For 3.3V
PD# Control
HDA Link De -pop
D24
*RB751S-40C2
3.3VS
EAPD_MODE
C
A
5VS_AUD
3.3VS_AUD
HCB1005KF-121T20
D23
C257
BAT54AWGH
R320
R195
2
0.1u_16V_Y 5V_04
11
AZ_RST#
3
*10K_04
10K_04
1
18
KBC_MUTE#
0309
Q17
AZ_RST#-C-PD
G
R322
*100K_04
*2N7002W
5VS_AUD
Q18
G
AZ_RST#
*BSS138_NL
AZ_RST# For 1.5V
HDA Link De-pop
Layout Note:
Very close to
Audio Codec
11
AZ_SDOUT_R
11
AZ_BITCLK_R
R200
33_04
11
AZ_SDIN0
11
AZ_SYNC_R
11
AZ_RST#_R
D14
R205
PC BEEP
BAT54CWGH
1
A
R206
18
KBC_BEEP
C
3
BEEP
2
A
C278
11
ICH_SPKR
FOR VOLUMN
ADJUST
3.3VS_AUD
5VS
20m s
AZ_RST#
PD#
Spe ake r w ire le ngth less tha n 8000mils , It don't ne ed LC Filter.
SPKOUTR+,R-,L+,L- Trace width
Spe ake r 4 ohm ------> 40mils
Spe ake r 8 ohm ------> 20mils
Very close to
Audio Codec
AZ_SDIN0
C269
22p_50V_NPO_04
C264
22p_50V_NPO_04
AZ_SDOUT_R
VT1802P
C265
22p_50V_NPO_04
AZ_BITCLK_R
AZ_SY NC_R
C272
22p_50V_NPO_04
AZ_RST#_R
C276
22p_50V_NPO_04
R324
*1M_04
MIC2-L
AUDG
MIC2-R
R325
*1M_04
AUDG
R208
*1M_04
MIC1-L_R
AUDG
R207
*1M_04
MIC1-R_R
AUDG
PVDD1_2
3.3VS_AUD
C254
C384
0.1u_16V_Y 5V_04
10u_6.3V_X5R_06
C256
C273
10u_6.3V_X5R_06
0.1u_16V_Y 5V_04
C252
C383
0.1u_16V_Y5V_04
*10u_6.3V_X5R_06
L35
C382
C258
C253
*10u_6.3V_X5R_06
0.1u_16V_Y 5V_04
0.1u_16V_Y 5V_04
PD#
U10
4
13
3.3VS_AUD
PD#
Sense A
14
LINE2-L
SPKOUTL+
40
15
SPK-L+
LINE2-R
R192
SPKOUTL-
41
SPK-L-
16
44
MIC2-L
17
100K_04
SPKOUTR-
SPK-R-
MIC2-R
45
SPKOUTR+
SPK-R+
18
Sense-B
EAPD_MODE
47
SPDIFC2/EAPD
48
19
SPDIFO
JDREF
20
2
MONO-OUT
DMIC-DAT
GPIO0-DMIC-DAT
3
21
DMIC-CLK
GPIO1-DMIC-CLK
MIC1-L
22
MIC1-R
DIGITAL
ANALOG
23
LINE1-L
AZ_SDOUT_R
5
24
SDATA-OUT
LINE1-R
6
27
AZ_BITCLK_R
6-03-02695-030
BIT-CLK
VREF
AZ_SDIN0_R
8
28
6-03-02696-030
SDATA-IN
LDO_CAP
30
MIC1-VREFO-R
AZ_SYNC_R
10
29
SY NC
MIC2-VREFO
11
32
AZ_RST#_R
RESET#
HP-OUT-L
33
HP-OUT-R
BEEP_R
PCBEEP
12
47K_04
PCBEEP
35
CBN
4.7K_04
C279 1u_6.3V_X5R_04
36
CBP
34
100p_50V_NPO_04
OPVEE
VT1802P
Plea se Let LC Filte r
PN:6-03-01802-031
toge the r and close to
Code c.IF Spe aker
w ire le ngth is less
MIC1-VREFO-L
AUDG
than 8000m ils It don't
Therm al Pad place 9
nee d the LC Filter.
Via hole.
L37
*FCM1608K-121T06_short
SPKOUTL+
SPKOUTL+_L
C268
C270
*1u_16V_X5R_06
*180p_50V_NPO_04
L36
*FCM1608K-121T06_short
SPKOUTL-
SPKOUTL-_L
C266
Layout note :
*180p_50V_NPO_04
Close to code c
EMI Require
SPKOUTR+
SPKOUTR+ 20
SPKOUTR-
SPKOUTR- 20
R319
Layout note :
*15mil_short_06
GND a nd AUDG spa ce is
5VS
60mils ~ 100m ils
VT1802P
¤£¤W¥ó
5VS_AUD
5VS
0323
L48
*HCB1005KF-121T20
C277
C386
C391
C381
0.1u_16V_Y 5V_04
10u_6.3V_X5R_06
10u_6.3V_X5R_06
*1u_6.3V_Y 5V_04
ANALOG
DIGITAL
AUDG
SENSE_A
R327
20K_1%_04
MIC_SENSE
MIC_SENSE 20
LINE2-L
HP_SENSE
R328
39.2K_1%_04
HP_SENSE 20
LINE2-R
0323
MIC2-L
C389
10u_6.3V_X5R_06
INT_MIC
MIC2-R
C390
10u_6.3V_X5R_06
0325
SENSE-B
NEAR CODEC
J DREF
R326
5.1K_1%_04
MONO-OUT
C392
*100p_50V_NPO_04
VT1802P
5.1K_1%_04
C387
10u_6.3V_X5R_06
MIC1_L
AUDG
MIC1_R
C267
10u_6.3V_X5R_06
0325
0323
LINE1-L
C274
0.1u_16V_Y 5V_04
LINE1-R
C275
10u_6.3V_X5R_06
VREF-ALC269
VT1802P
10u
LDO_CAP
MIC1-VREFO-R
C271
*10u_6.3V_X5R_06
MIC2-VREFO
VT1802P
NC PIN
HEADPHONE-L 20
AUDG
HEADPHONE-R 20
CBN-AL269
C255
2.2u_6.3V_X5R_06
CBP-ALC269
OPVEE-ALC269
C259
2.2u_6.3V_X5R_06
AUDG
MIC2-VREFO
ALC269
4.7K_04
INT_MIC
R321
1K_04
ALC269
C388
680P
100p_50V_NPO_04
VT1802P
75_1%_04
MIC1_R
R199
1K_04
J_SPKL1
1
MIC1_L
R196
1K_04
2
MIC1-VREFO-L
85204-02001
R197
3.3K_1%_04
MIC1-VREFO-R
R198
3.3K_1%_04
ALC269
2.2K_1%_04
0323
12,14,15,21,23
5VS
3,6,7,8,9,10,11,12,13,14,15,17,18,21,23
3.3VS
Schematic Diagrams
EMI Require
L49
HCB1005KF-121T20
AUDG
JP1
*10mil_short
JP2
*10mil_short
C260
0.1u_16V_Y5V_04
C385
0.1u_16V_Y5V_04
C281
*0.1u_16V_Y 5V_04
C280
*0.1u_16V_Y 5V_04
AUDG
Sheet 16 of 31
AUDIO CODEC
VT1802P
J_INTMIC1
2
1
R323
3.3K_1%_04
J_INTMIC1
INTMIC-IN
1
2
88266-02001
PN: 6-20-63120-102
MIC1-R_R
MIC1-R_R 20
MIC1-L_R
MIC1-L_R 20
D02
AUDIO CODEC VT1802P B - 17
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