Datasheet

TPA152
75-mW STEREO AUDIO POWER AMPLIFIER
SLOS210A – JUNE 1998 – REVISED MARCH 2000
11
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 21
POWER DISSIPATION
vs
OUTPUT POWER
100
80
40
0
60
20
0 5 10 15
P
O
– Output Power – mW
2520
P
D
– Power Dissipation – mW
R
L
= 32 Ω
APPLICATION INFORMATION
selection of components
Figure 22 is a schematic diagram of a typical application circuit.
8
7
6
5
GND
V
DD
IN1–
4
1
2
3
V
O
1
MUTE
IN2–
R
I
20 kΩ
Audio Input 1
C
I
1 µF
IN2
V
O
2
R
F
20 kΩ
Shutdown
(from System Control)
R
I
20 kΩ
Audio Input 2
C
I
1 µF
R
F
20 kΩ
C
C
330 µF
R
C
†
100 Ω
C
C
330 µF
V
DD
1 µF
HP
Jack
R
L
32 Ω
R
L
32 Ω
C
B
1 µF
R
O
†
20 kΩ
R
C
†
100 Ω
R
O
†
20 kΩ
†
These resistors are optional. Adding these resistors improves the depop performance of the TPA152.
Figure 22. TPA152 Typical Application Circuit