Texas Instruments TPA3244, Руководство пользователя, Страница: 21 / 28

10.0k
R38
VMID
1
2
3
4
8
U6A
NE5532ADR
5
6
7
4
8
U6B
NE5532ADR
10.0k
R27
10.0k
R20
10.0k
R21
VMID
0.1uF
C51
GND GND
10µF
C53
GND
10.0k
R25
10µF
C70
22pF
C65
22pF
C57
VMID
1
2
3
J19
SE
DIFF
0.1uF
C72
GND
1
2
3
4
8
U5A
NE5532ADR
5
6
7
4
8
U5B
NE5532ADR
10.0k
R42
10.0k
R7
10.0k
R8
VMID
+12V-OA
0.1uF
C15
GND GND
10µF
C16
GND
10.0k
R41
22pF
C23
22pF
C18
VMID
1
2
3
J4
SE
DIFF
100k
R48
0
R4
0
R12
0
R44
0
R46
+12V
10µF
C20
10µF
C71
10µF
C62
10µF
C66
1
2
3
J10
INPUT SE A
SE AB
DIFF A+
INPUT SE B
DIFF A-
INPUT SE D
DIFF C-
GND
10µF
C81
10uH 0.8A
L6
GND
10.0k
R36
10.0k
R52
INA
INB
OUTA
OUTB
+12V-OA
+12V-OA
INC
IND
OUTC
OUTD
RCA INPUT
LEFT+
RCA INPUT
LEFT-
RCA INPUT
RIGHT-
To DUT
To DUT
From DUT
INB-RCA
IND-RCA
1
2
3
J12
1
2
3
J14
INB
1
2
3
J15
IND
1
2
3
J3
INA/AB
INA-RCA
INB-EXT
INA-EXT
INC-EXT
IND-EXT
100k
R43
100k
R9
100k
R45
INPUT SE C
SE CD
DIFF C+
RCA INPUT
RIGHT+
INC-RCA 1
2
3
J18
INC/CD
INB
IND
INA
INC
1
2
3
J26
INC SEL
1
2
3
J27
IND SEL
10.0k
R37
+12V-OA
GND
PBTL
SELECT
J7
INC
J8
IND
AUDIO
BOARD
INC-EXT
IND-EXT
INB-EXT
INA-EXT
FROM DUT
CLIP_OTW
FAULT
J30
GND
ALIGNMENT
HEADER
AIB
RESET-SW
RESET
1.00k
R57
INTERFACE
22pF C73
DNP
DNP
18.0k R47
DNP
DNP
22pF C74
DNP
DNP
18.0k R49
DNP
DNP
18.0k R50
DNP
DNP
22pF C75
DNP
DNP
22pF
C76 DNP
DNP
18.0k R51
DNP
DNP
To DUT
To DUT
From DUT
1
3
5
6
4
2
7
9
10
8
12 11
14 13
16 15
18 17
20 19
22 21
24 23
26 25
28 27
J28
0 R64 DNP
DNP
0 R63 DNP
DNP
0 R66 DNP
DNP
0 R65 DNP
DNP
SPKA-OUT
SPKB-OUT
SPKC-OUT
SPKD-OUT
SPKA-OUT SPKB-OUT
SPKC-OUT
RST-AIB
0 R67
DNP
DNP
3.3V
GND GND
3.3V
+12V
PVDD
SPKD-OUT
10µF
C17
10µF
C28
10µF
C55
10µF
C63
10µF
C89
0.1uF
C90
10µF
C91
GND
GND
GND
GND
GND
GND GND GND GND GND GND
<- ROUTED GROUND TO AGND ON DUT (Pins 10/11)
<- ROUTED GROUND
<- ROUTED GROUND
<- ROUTED GROUND
<- ROUTED GROUND
<- ROUTED GROUND
<- ROUTED GROUND
Copyright © 2016, Texas Instruments Incorporated
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Board Layouts, Bill of Materials, and Schematic
21 SLVUAT5 – November 2016
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Copyright © 2016, Texas Instruments Incorporated
TPA3244 Evaluation Module
5.4 TPA3244EVM Schematic
The schematics for TPA3244EVM are illustrated in Figure 9 through Figure 11 .
Figure 9. TPA3244EVM Schematic 1