Texas Instruments TAS3251, Руководство пользователя

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MCLK
SCLK
LRCK
SDIN
I2S
2.2µF
C75
MODE
ADR
MSP430
MODE
SDA
I2C
SCL
SCL
SDA
ADR
OUTRP
OUTRN
OUTLP
OUTLN
IN_A
IN_B
IN_D
IN_C
DAC OUTPUT
DAC
FROM
0.033µF
C66
0.033µF
C68
0.033µF
C76
0.033µF
C77
OUT_D
OUT_C
OUT_B
OUT_A
MCLK
SCLK
LRCK
SDIN
0.1uF
C36
GND
0
R31
GVDD_AB
0.1uF
C44
GND
0
R36
GVDD_CD
1µF C65
GND
1µF C63
TP13
DVDD
TP11
AVDD
TP12
DAC-AVDD
TP9
GVDD-AB
TP10
GVDD-CD
3.3V
0.1µF
C72
GND GND
10µF
C71
0.1µF
C73
GND
GND
OSCILLATOR
SYNC
INTERFACE
4
1
2
3
J23
OSC-IOM
OSC-IOP
OSC-IOM
OSC-IOP
C_START
GND
OUTA
GND
OUTB
GND
OUTC
GND
OUTD
MONITORS
FAULT
CLIP_OTW
CLIP_OTW
FAULT
3.3V
SLAVE MODE
20.0k R76
MASTER MODE (600kHz)
MASTER MODE AM1 (500kHz)
MASTER MODE AM2 (450kHz)
GND
FREQUENCY ADJUST
1 2
3 4
5 6
7 8
J22
FREQ_ADJ
GND
I2C ADDRESS
ADR J19
ADR
J14
MODE
MODE
GND
MODE
GND
PVDD
GND GND
TP7
PVDD-CD
1µF
100V
C28
1µF
100V
C29
GND
PVDD
GND GND
TP8
PVDD-AB
1µF
100V
C41
1µF
100V
C42
22.0k
R74
TP14
OC-ADJ OC_ADJ
GND
OUT-A
OUT-B
OUT-D
OUT-C
TO
AIB
GND
ZOBEL NETWORK
POST FILTER FEEDBACK
1µF
100V
C98
GND
1µF
100V
C104
GND
1µF
100V
C103
GND
1µF
100V
C105
30.0k R75
10.0k R77
0.1µF
C61
GND GND
3.3V
10µF
C60
10.0k R90
3.3V
10.0k R91
100k
R88
499
R95
499
R98
1000pF
C62
GND
100k
R65
GND
100k
R64
499
R67
499
R69
1000pF
C106
GND
100k
R59
GND
INC
IND
INA
INB
2200µF
C30
2200µF
C43
Black
J13
GNDAB
Black
J21
GNDCD
GND
GND
CLIP_OTW
FAULT
TO
MSP430/AIB
HEATSINK
0
R99
IN_D
IN_C
J31
INC
GND
0
R100
J32
IND
GND
SHUNT FOR PBTL
1
µF
C107
GND
DAC_MUTE
RESET-AMP
3.3V
DAC-RESET
AVDD
DVDD
0
R125
0
R126
0
R127
0
R128
GND
GND
0.047µF
C78
0
R101
3.3V
GND
0
R102
RESET-AMP
DAC_MUTE
J20
GVDD
DAC-RESET
OUTPUT
SDOUT
TO IBC
SDOUT
22pF C7
18.0k
R15
10µF
C5
2.00k
R29
GND
220pF
C6
0
R13
0
R30
0
R61
0
R72
0 R14
0 R33
0 R68
0 R73
IN_D
22pF C10
18.0k
R35
10µF
C8
2.00k
R37
GND
220pF
C9
IN_C
22pF C13
18.0k
R70
10µF
C11
2.00k
R71
GND
220pF
C12
IN_B
22pF C16
18.0k
R96
10µF
C14
2.00k
R97
GND
220pF
C15
IN_A
OUTA
OUTB
OUTC
OUTD
DAC OUTPUT
DAC OUTPUT
DAC OUTPUT
7uH 6.5A
L5
MA5173
7uH 6.5A
L6
MA5173
7uH 6.5A
L7
MA5173
7uH 6.5A
L8
MA5173
0.68µF
250V
C47
0.68µF
250V
C67
0.68µF
250V
C79
0.68µF
250V
C81
3.30
R87
3.30
R89
3.30
R93
3.30
R94
12V GVDD
GVDD
GVDD
GND
DAC_AVDD
56
BST_A
44
BST_B
43
BST_C
32
BST_D
31
C_START
24
FAULT
28
FREQ_ADJ
18
GND
22
GND
13
GND
33
GND
42
GVDD_AB
12
GVDD_CD
30
IN_A
15
IN_B
16
IN_C
25
IN_D
26
OC_ADJ
17
OSC_IOM
19
OSC_IOP
20
CLIP_OTW
29
OUT_A
41
OUT_B
39
OUT_C
36
OUT_D
34
PVDD_AB
40
PVDD_CD
35
RESET_AMP
27
MODE
14
AVDD
23
SDA
54
SCL
53
ADR
46
MCLK
50
SDIN
48
LRCK
47
SDOUT
51
DAC_DVDD
9
CP
8
CN
6
OUT_RN
2
GND
7
OUT_RP
1
DGND
10
GND
37
AGND
55
GND
38
DVDD
21
OUT_LP
4
OUT_LN
3
CPVSS
5
DVDD_REG
11
SCLK
49
DAC_DVDD
52
DAC_MUTE
45
U8
TAS3251DKQR
TP2
MCLK
TP3
BCLK
TP4
LRCLK
TP1
SDIN
OUT_A
OUT_B
OUT_C
OUT_D
1000pF
C152
GND
1000pF
C153
GND
1000pF
C154
GND
1000pF
C155
GND
0
R165
0
R166
560
R79
Red
D10 FAULT
3.3V
560
R78
3.3V
Orange
D9 CLIP_OTW
TP15
CLIP_OTW
TP16
FAULT
J10
OUTAB
J15
OUTCD
TP17
OUTA
TP18
OUTB
TP20
OUTD
TP19
OUTC
H1
GND
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Schematic and Bill of Materials
9 SLAU757 – January 2018
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TAS3251 Evaluation Module
ADVANCE INFORMATION
Figure 7. TAS3251EVM Schematics (4 of 6)