Datasheet

VCC
VCC
LeftIn
Shutdown
Control
Mute
Control
RightIn
10
F
m
470 Fm
0.22µF
TPTPA3121D2
PVCCL
1
SD
2
PVCCL
3
MUTE
4
LIN
5
RIN
6
BYPASS
7
AGND
8
AGND
9
PVCCR
10
VCLAMP
11
PVCCR
12
PGNDR
13
PGNDR
14
ROUT
15
BSR
16
GAIN1
17
GAIN0
18
AVCC
19
AVCC
20
BSL
21
LOUT
22
PGNDL
23
PGNDL
24
THERMAL
25
1.0 Fm
+LOUT
0.22 Fm
–ROUT
–LOUT
+ROUT
0.1
F
m
1.0 Fm
470
470
470
F
F
F
m
m
m
1.0 Fm
1.0 Fm
1.0 Fm
1.0 Fm
0.22 Fm
0.22µF
33µH
33µH
S0268-01
+In
–In
+OUT
–OUT
VCC
VCC
Shutdown
Control
Mute
Control
10 Fm
22 Hm
470 Fm
0.68 Fm
TPA3121D2
PVCCL
1
SD
2
PVCCL
3
MUTE
4
LIN
5
RIN
6
BYPASS
7
AGND
8
AGND
9
PVCCR
10
VCLAMP
11
PVCCR
12
PGNDR
13
PGNDR
14
ROUT
15
BSR
16
GAIN1
17
GAIN0
18
AVCC
19
AVCC
20
BSL
21
LOUT
22
PGNDL
23
PGNDL
24
THERMAL
25
1.0 Fm
0.22 Fm
0.1 Fm
1.0 Fm
470 Fm
1.0 Fm
1.0 Fm
1.0 Fm
1.0 Fm
0.22 Fm
22 Hm
0.68 Fm
S0294-01
TPA3121D2
www.ti.com SLOS537A –MAY 2008–REVISED AUGUST 2010
Figure 32. Schematic for Single-Ended (SE) Configuration (8-Ω Speaker)
Figure 33. Schematic for Bridge-Tied-Load (BTL) Configuration (8-Ω Speaker)
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