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Audio Codec VT1802S
5
CODEC VT1802S
R288
1.5V
For 1.5V HDA Link.
R296
3.3VS_AUD
For 3.3V HDA Link.
D
3.3VS_AUD
PD# Control
AZ_RST# For 3.3V
R291
HDA Link De-pop
C334
10K_04
0.1u_16V_Y5V_04
D17
1
A
[4,18]
HDA_RST#
C
3
2
A
DVT 0411
[17]
KBC_MUTE#
BAT54AS3
AZ_RST# For 1.5V
PD#
HDA Link De-pop
Q14
R388
*100K_04
G
*2N7002W
5VS
Q15
HDA_RST#
G
*BSS138_NL
3.3VS_AUD
R389
*0_04
R318
33_04
[16]
MIC_DAT
C
C420
C421
R317
*33_04
R306
33_04
[16]
MIC_CLK
*0.1u_16V_Y5V_04
*10u_10V_Y5V_08
AZ_SDOUT_R
R211
33_04
[4]
HDA_SDOUT
AZ_BITCLK_R
C317
22p_50V_NPO_04
R217
33_04
[4]
HDA_BITCLK
[4]
HDA_SDIN0
AZ_SYNC_R
R220
33_04
[4]
HDA_SYNC
R221
33_04
AZ_RST#_R
[4,18]
HDA_RST#
Closed to SB.
CODEC_VREF
R343
D16
BAT54CS3
PC BEEP
1
A
[17]
KBC_BEEP
3
C
BEEP
R286
47K_04
2
A
[4]
HDA_SPKR
FOR VOLUMN
ADJUST
B
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
A
Speaker 4 ohm------> 40mils
Speaker 8 ohm------> 20mils
Please Let LC Filter together and close to Codec.IF
Speaker wire length is less than 8000mils It don't
need the LC Filter.
5
4
3
PVDD5V
0_06
20 mil
*0_06
C341
C342
C328
C335
0.1u_16V_Y5V_04
10u_10V_Y5V_08
10u_10V_Y5V_08
0.1u_16V_Y5V_04
3.3VS
3.3VS_AUD
C356
C357
R304
*10mil_short
0.1u_16V_Y5V_04
10u_10V_Y5V_08
R312
0_04
C323
R319
0_04
C365
10u_10V_Y5V_08
0.1u_16V_Y5V_04
AUDG
R302
*33_04
U20
4
13
R316
0_04
PD#
Sense A
3.3VS_AUD
14
LINE2-L
SPKOUTL+
40
15
SPK-L+
LINE2-R
41
SPKOUTL-
SPK-L-
R320
16
MIC2-L
100K_04
SPKOUTR-
44
17
SPK-R-
MIC2-R
SPKOUTR+
45
SPK-R+
18
Sense-B
EAPD
47
SPDIFC2/EAPD
SPDIFO
48
19
[15]
SPDIFO
SPDIFO
JDREF
20
MONO-OUT
2
GPIO0-DMIC-DAT
3
21
GPIO1-DMIC-CLK
MIC1-L
22
MIC1-R
R315
*33_04
DIGITAL
ANALOG
23
LINE1-L
R301
0_04
5
24
SDATA-OUT
LINE1-R
R300
*0_04
6
27
R314
0_04
BIT-CLK
VREF
R313
*0_04
R299
0_04
7
28
DVSS2
LDO_CAP
30
MIC1-VREFO-R
AZ_SDIN0_R
8
29
R298
33_04
SDATA-IN
MIC2-VREFO
10
32
SYNC
HP-OUT-L
33
HP-OUT-R
11
RESET#
35
CBN
BEEP_R
*10K_04
12
PCBEEP
36
CBP
34
OPVEE
C324
1u_6.3V_X5R_04
BEEP_C
C331
VT1802S
100p_50V_NPO_04
R294
C321
100p_50V_NPO_04
4.7K_04
MIC1-VREFO-L
Thermal Pad place 9
Via hole.
AUDG
SPKOUTL+_L
SPKOUTL+
L18
FCM1608K-121T06
C387
C383
LEFT
*1000p_50V_X7R_04
180p_50V_NPO_04
SPKOUTL-_L
SPKOUTL-
L20
FCM1608K-121T06
C392
180p_50V_NPO_04
EMI Require
Layout note:
Close to codec
4
3
2
R321
Layout note:
*15mil_short_06
EMI Require
GND and AUDG space is
5VS
60mils ~ 100mils
L19
JP1
JP2
C393
C338
5VS_AUD
C378
C366
C386
0.1u_16V_Y5V_04
10u_10V_Y5V_08
10u_6.3V_X5R_06
ANALOG
C339
100p_50V_NPO_04
AUDG
Close to Codec
SENSE_A
R322
20K_1%_04
JD_SENSE
[15]
VT1802P
LINE2-L
R323
39.2K_1%_04
3.3K_04
JD_SENSE_B
[15]
LINE2-R
MIC2-VREFO
R186
3.3K_1%_04
VT1802P
10u
MIC2_L
INT_MIC
INT_MIC
C344
10u_6.3V_X5R_08
R191
1K_04
MIC2_R
C352
10u_6.3V_X5R_08
C346
VT1802P
SENSE-B
C249
VT1802P
5.1K_1%_04
100P
R331
*20K_1%_04
0.022u_16V_X7R_04
100p_50V_NPO_04
JDREF
R330
5.1K_1%_04
MONO-OUT
C361
100p_50V_NPO_04
MIC1-L_R
MIC1_L
C369
10u_6.3V_X5R_08
AUDG
MIC1-R_R
MIC1_R
C382
10u_6.3V_X5R_08
VT1802P
10u
LINE1-L
L A Y O U T
,
LINE1-R
C377
0.1u_10V_X7R_04
G R OUN D
VT1802P
10u
CODEC_VREF
C385
10u_6.3V_X5R_06
LDO_CAP
C381
*10u_6.3V_X5R_06
MIC1-VREFO-R
VT1802P
NC PIN
MIC2-VREFO
MIC1-VREFO-R
R340
MIC1_R
HEADPHONE-L
R345
HEADPHONE-L
[15]
MIC1_L
HEADPHONE-R
AUDG
R346
HEADPHONE-R
[15]
MIC1-VREFO-L
R341
CODEO_CBN
C380
2.2u_6.3V_X5R_04
Close to Codec
CODEO_CBP
SPKOUTR-
L17
*28mil_06
C379
SPKOUTR+
L16
*28mil_06
2.2u_6.3V_X5R_04
C349
180p_50V_NPO_04
AUDG
FOR VT1802S
J_SPKL1
Very close to Audio Codec
AZ_SDIN0_R
C330
22p_50V_NPO_04
AUDG
1
2
AZ_SDOUT_R
C318
22p_50V_NPO_04
AUDG
50271-0020N-001
AZ_SYNC_R
C333
22p_50V_NPO_04
AUDG
J_SPK1
AZ_RST#_R
C332
22p_50V_NPO_04
AUDG
2
1
! ! ! !!DMFWP!DP/
! ! ! !!DMFWP!DP/
! ! ! !!DMFWP!DP/
Title
Title
Title
[18] AUDIO CODEC VT1802S
[18] AUDIO CODEC VT1802S
[18] AUDIO CODEC VT1802S
[6,21]
1.5V
[3,4,5,6,7,8,9,10,11,12,13,15,16,17,19,23]
3.3VS
Size
Size
Size
Document Number
Document Number
Document Number
[5,10,11,15,16,19,23]
5VS
6-71-W54K0-D02A
6-71-W54K0-D02A
6-71-W54K0-D02A
A3
A3
A3
W 54xKW -D02A
W 54xKW -D02A
W 54xKW -D02A
Date:
Date:
Date:
Thursday, September 12, 2013
Thursday, September 12, 2013
Thursday, September 12, 2013
2
Schematic Diagrams
1
*HCB1005KF-121T20
*10mil_short_04
*10mil_short_04
0.1u_16V_Y5V_04
D
0.1u_16V_Y5V_04
AUDG
INT_MIC_OUT
[16]
*10mil_short_04
J_INTMIC1
INT_MIC_OUT
R194
2
AUDG_R
Sheet 18 of 28
1
R195
*10mil_short_04
*85205-02701
Audio Codec
C
VT1802S
AUDG
R196
*0_04
GND
3.3K_04
1K_04
MIC1-R_M
[15]
1K_04
MIC1-L_M
[15]
3.3K_04
SPKOUTR-_R
[15]
SPKOUTR+_R
[15]
C345
180p_50V_NPO_04
B
MIC2_L
R324
*1M_04
MIC2_R
R325
*1M_04
MIC1-L_R
R333
*1M_04
A
MIC1-R_R
R342
*1M_04
R e v
R e v
R e v
D02A
D02A
D02A
Sheet
Sheet
Sheet
18
18
18
o f
o f
o f
28
28
28
1
Audio Codec VT1802S B - 19
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