TPA152
75-mW STEREO AUDIO POWER AMPLIFIER
SLOS210A – JUNE 1998 – REVISED MARCH 2000
TYPICAL CHARACTERISTICS
POWER DISSIPATION
vs
OUTPUT POWER
100
80
R
= 32 Ω
L
60
40
20
0
0
5
10
15
20
25
P
O
– Output Power – mW
Figure 21
APPLICATION INFORMATION
selection of components
Figure 22 is a schematic diagram of a typical application circuit.
R
20 kΩ
F
C
1 µF
I
R
20 kΩ
I
C
C
Audio Input 1
330 µF
†
†
R
C
R
8
7
O
1
2
V
1
IN1–
GND
O
20 kΩ
100 Ω
R
32 Ω
R
L
32 Ω
L
Shutdown
(from System Control)
MUTE
IN2
HP
Jack
1 µF
3
4
6
5
V
DD
V
DD
C
1 µF
B
IN2–
V 2
O
C
1 µF
I
R
I
20 kΩ
C
C
330 µF
†
†
R
C
100 Ω
R
O
20 kΩ
R
F
20 kΩ
Audio Input 2
†
These resistors are optional. Adding these resistors improves the depop performance of the TPA152.
Figure 22. TPA152 Typical Application Circuit
11
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TI [ TEXAS INSTRUMENTS ]
