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TPA3128D2DAPRG4 Datasheet(PDF) 23 Page - Texas Instruments

Part # TPA3128D2DAPRG4
Description  TPA3128D2, TPA3129D2 2x30-W, 2x15-W Class-D Amplifier With Low Idle Power Dissipation
PDF  39 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

TPA3128D2DAPRG4 Datasheet(HTML) 23 Page - Texas Instruments

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U3
TPA312xD2
GND
1
SDZ
2
FAU LTZ
3
RINP
4
RINN
5
PLIMIT
6
GVDD
7
GAIN/SLV
8
GND
9
LINP
10
LINN
11
MUTE
12
AM2
13
AM1
14
AM0
15
SY NC
16
PVCC
32
PVCC
31
BSPR
30
OUTPR
29
GND
28
OUTN R
27
BSNR
26
GND
25
BSPL
24
OUTPL
23
GND
22
OUTN L
21
BSNL
20
PVCC
19
PVCC
18
AVCC
17
PVCC DEC OUPLI NG
C40
220nF
2
1
PVCC DEC OUPLI NG
C43
220nF
2
1
C46 1uF
2
1
C47 100nF
2
1
C58
680nF
L7
10uH
1
2
R10 3.3R
1
2
L8
10uH
1
2
C59
680nF
L9
10uH
1
2
C74
10nF
R17
20k
L10
10uH
1
2
C75
10nF
R18 100k
1
2
C76
220uF
C77
680nF
R23
3.3R
C79
10nF
R24
3.3R
C80
1nF
C95
1uF
2
1
C101
220uF
GND
C107
100nF
C108
1nF
C109
1nF
R25
3.3R
C110
1nF
R26
3.3R
C111 220nF
2
1
C112
1nF
C113
680nF
C114
10nF
C115
10nF
LINP
RINN
LINN
RINP
GND
PVCC
GND
GND
GND
GND
GND
GND
GND
GND
-
+
+
-
PVCC
C1161uF
2
1
R27
100k
MUTE
OUTPUT LC FILTER
R28 100k
1
2
GVDD
C117
1uF
EMI C-RC SNUBBER
C118
100nF
GND
GVDD
C119 220nF
2
1
SDZ
PVCC
C120
1nF
GND
FAU LTZ
C121 1uF
2
1
C122 220nF
2
1
L15
10uH
1
2
L16
10uH
1
2
R35
75k
R36
100k
C123
220uF
C124
680nF
C125 1uF
2
1
GND
C126
220uF
C127
100nF
C128
1nF
C129
1nF
R46
3.3R
R47
3.3R
C130 220nF
2
1
C131
1nF
C132
680nF
C133
10nF
C134
10nF
RINP
RINN
GND
GND
GND
GND
-
+
PVCC
MUTE
R48
47k
OUTPUT LC FILTER
R49 100k
1
2
GVDD2
C135
1uF
C136
100nF
EMI C-RC SNUBBER
GVDD2
C137 220nF
2
1
PVCC
SDZ
C138
1nF
GND
FAU LTZ
C139 1uF
2
1
GND
U4
GND
1
SDZ
2
FAU LTZ
3
RINP
4
RINN
5
PLIMIT
6
GVDD
7
GAIN/SLV
8
GND
9
LINP
10
LINN
11
MUTE
12
AM2
13
AM1
14
AM0
15
SY NC
16
PVCC
32
PVCC
31
BSPR
30
OUTPR
29
GND
28
OUTN R
27
BSNR
26
GND
25
BSPL
24
OUTPL
23
GND
22
OUTN L
21
BSNL
20
PVCC
19
PVCC
18
AVCC
17
PVCC DEC OUPLI NG
C140 220nF
2
1
PVCC DEC OUPLI NG
47pF
4.7k
TPA312xD2
Copyright © 2016, Texas Instruments Incorporated
23
TPA3128D2, TPA3129D2
www.ti.com
SLOS941C – MAY 2016 – REVISED JANUARY 2018
Product Folder Links: TPA3128D2 TPA3129D2
Submit Documentation Feedback
Copyright © 2016–2018, Texas Instruments Incorporated
Typical Application (continued)
Figure 36. TPA312xD2 Schematic



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