Texas Instruments TPA3255EVM, Руководство пользователя, Страница: 18 / 22

GND
10.0k
R38
VMID
GND
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
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
GND
GND
100k
R48
22pF
C73 DNP
DNP
10.0k
R47 DNP
DNP
0
R4
0
R12
0
R44
0
R46
22pF
C74 DNP
DNP
+12V
GND
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-
10.0k
R49 DNP
DNP
GND
10µF
C81
10uH 0.8A
L6
GND
10.0k
R36
10.0k
R52
INA
INB
OUTA
OUTB
+12V-OA
+12V-OA
INC
IND
10.0k
R50 DNP
DNP
22pF
C75 DNP
DNP
22pF
C76 DNP
DNP
10.0k
R51 DNP
DNP
OUTC
OUTD
RCA INPUT
LEFT+
RCA INPUT
LEFT-
RCA INPUT
RIGHT-
INB-RCA
IND-RCA
GND
1
2
3
J12
1
2
3
J14
INB
1
2
3
J15
IND
1
2
3
J3
INA/AB
INA-RCA
100k
R43
100k
R9
GND
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
1
2
3
J8
IND
3.3V
GND
1
2
3
J7
INC
3.3V
PBTL
SELECT
INB-EXT
INA-EXT
INC-EXT
IND-EXT
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
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
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
0 R64 DNP
DNP
0 R63 DNP
DNP
0 R66 DNP
DNP
0 R65 DNP
DNP
10µF
C17
10µF
C28
10µF
C55
10µF
C63
TO DUT
From DUT
TO DUT
TO DUT
From DUT
TO DUT
Board Layouts, Bill of Materials, and Schematic
www.ti.com
18 SLOU441 – July 2016
Submit Documentation Feedback
Copyright © 2016, Texas Instruments Incorporated
TPA3255EVM
5.4 TPA3255EVM Schematics
The schematics for TPA3255EVM is illustrated in Figure 6 , Figure 7 , and Figure 8 .
Figure 6. TPA3255EVM Schematic 1