Texas Instruments TLV320AIC3212EVM-U, Руководство пользователя

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VBAT_ext
Headset_MIC
Headset_MIC
J4
5
6
3
1
4
2
S
h
ie
ld
RIGHT
LEFT
220
FB1
2 1
GND
J5
5
6
3
1
4
2
S
h
ie
ld
RIGHT
LEFT
LOL
LOR
GND
J2
5
6
3
1
4
2
S
h
ie
ld
RIGHT
LEFT
2.2K
R21
IN1R
IN1L
GND
GND
0
R25
C62 C61 C59
0
R26
0
R23
0
R24
C60
4
3
2
1
J3
GND GND
GND
GND
GND
IN2L
IN3R
IN3L
IN2R
GND GND
100
R27
100
R28
IN2R
IN1R
IN3L_TP
IN3R_TP
IN2L
MICBIAS
LOL
LOR
1uF
C63
1uF
C64
IN4R
IN4L
IN4L_TP
IN4R_TP
1uF
C50
TP4
IN1L
MICDET
47uF
C67
47uF
C68
0
R29
0
R30
W11
2
1
0.47uF
C108
0.47uF
C52
0.47uF
C53
0.47uF
C54
0.47uF
C55
0.47uF
C56
0.47uF
C57
0.47uF
C58
U17
TLV320AIC3212YZF
D5
C1
D2
D6
A4
B5
E9
C9
A9
C8
B2
B3
C6
D7
E1
E2
F2
F1
C3
B1
D4
D3
D1
C4
W12
2
1
P B C
0 2 S
A A N
2.2K
R22
2.2K
R54
10K
R56
GND
GND
SPKLP
SPKLM
SPKRM
SPKRP
1K
R59
1K
R58
1K
R57
0.0047uF
C101
1K
R60
0.0047uF
C99
0.0047uF
C102
0.0047uF
C100
GND
GND GND
GND
FLT_RP
FLT_RM
FLT_LM
FLT_LP
16
R63
GND
J19
5
6
3
1
4
2
S
h
ie
ld
RIGHT
LEFT
GND
16
R62
GND
2
1
W18
2
1
W47
GND
221
R68
0.1uF
C107
10uF
C106
1
2 3
W17
3 2 1
W16
1 2 3 4 J7
GND
10K
R55
221
R66
221
R67
0.1uF
C104
0.1uF
C105
GND
GND
100
R64
100
R65
TP56
TP55
VREF_SAR
RECP
RECM
1
2
J6
MICDET
MICBIAS_EXT
MICBIAS
W55
1 2 3
32.4
R80
GND
W56
3 2 1
32.4
R81
GND
VREF_AUDIO
HPL
HPR
HPVSS_SENSE
SPLP
SPLM
SPRM
SPRP
HPL
HPR
AVSS_SENSE
RECL
RECR
0.047uF
C66
0.047uF
C65
0.047uF
C51
0.047uF
C103
0
R83
0
R84
1 2 3
W60 W61
3 2 1
R85
DNP
TLV320AIC3212IYZF
REC OUT
LINE OUT
ANALOG I/O
SAR VOLTAGE
REFERENCE
MIC IN
ANALOG REFERENCE
FILTER
1-2 2-3
1-2
W61
HEADSET TYPE SELECTION
2-3 W60
MIC_GND GND_MIC
TLV320AIC3212EVM-U Schematic
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Figure 18. Schematic, Sheet 4 of 8
18 TLV320AIC3212EVM-U Evaluation Module SLAU435 – March 2012
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