TPA122
150-mW STEREO AUDIO POWER AMPLIFIER
SLOS211C – AUGUST1998 – REVISED MARCH 2000
TYPICAL CHARACTERISTICS
OPEN-LOOP GAIN AND PHASE MARGIN
vs
FREQUENCY
150°
120°
100
80
60
40
20
V
= 3.3 V
DD
= 25°C
T
A
No Load
Phase
90°
60°
30°
0°
Gain
0
–20
–30°
10
100
1k
10k
100k
10M
f – Frequency – Hz
Figure 29
OPEN-LOOP GAIN AND PHASE MARGIN
vs
FREQUENCY
100
150°
120°
V
= 5 V
DD
= 25°C
T
A
No Load
80
60
40
20
Phase
90°
60°
30°
0°
Gain
0
–20
–30°
10M
100
1k
10k
100k
1M
f – Frequency – Hz
Figure 30
13
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