TPA122
150-mW STEREO AUDIO POWER AMPLIFIER
SLOS211C – AUGUST1998 – REVISED MARCH 2000
TYPICAL CHARACTERISTICS
CROSSTALK
vs
FREQUENCY
CROSSTALK
vs
FREQUENCY
–60
–65
–65
–50
–55
–60
V
= 5 V
= 25 mW
= 1 µF
= 32 Ω
= –1 V/V
V
P
= 5 V
= 100 mW
= 1 µF
= 8 Ω
= –1 V/V
DD
DD
O
B
L
P
O
C
R
A
C
R
A
B
L
V
V
–75
–80
–65
–70
IN 2 TO OUT 1
–85
–90
–95
–75
–80
–85
IN 2 TO OUT 1
–100
–105
–110
–90
–95
IN 1 TO OUT 2
IN 1 TO OUT 2
–100
20
100
1k
10k
20k
20
100
1k
10k
20k
f – Frequency – Hz
f – Frequency – Hz
Figure 25
Figure 26
MUTE ATTENUATION
vs
MUTE ATTENUATION
vs
FREQUENCY
FREQUENCY
0
–10
–20
–30
0
–10
–20
V
R
C
= 3.3 V
= 32 Ω
= 1 µF
DD
L
B
V
C
R
= 5 V
= 1 µF
= 32 Ω
DD
B
L
–30
–40
–40
–50
–60
–50
–60
–70
–70
–80
–90
–80
–90
–100
–100
20
100
1k
10k 20k
20
100
1k
10k
20k
f – Frequency – Hz
f – Frequency – Hz
Figure 27
Figure 28
12
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TI [ TEXAS INSTRUMENTS ]
