TPA152
75-mW STEREO AUDIO POWER AMPLIFIER
SLOS210A – JUNE 1998 – REVISED MARCH 2000
TYPICAL CHARACTERISTICS
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
vs
OUTPUT POWER
FREQUENCY
2
1
2
1
P
R
= 75 mW
= 32 Ω
f = 1 kHz
O
L
A
= –1 V/V
V
A
V
= –5 V/V
A
V
=– 2 V/V
0.1
0.01
0.1
0.01
A
V
= –1 V/V
0.001
0.001
1
10 20
30
40 50
60
70
80 90
20
100
1k
10k 20k
P
O
– Output Power – mW
f – Frequency – Hz
Figure 1
Figure 2
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
vs
FREQUENCY
OUTPUT POWER
0.3
0.1
2
1
A
R
= –1 V/V
= 32 Ω
V
L
R = 32 Ω
L
P
O
= 75 mW
20 kHz
P
O
= 25 mW
0.1
0.01
0.01
1 kHz
20 Hz
P
O
= 50 mW
1k
0.001
0.001
20
100
10k 20k
0.1
1
10
100
f – Frequency – Hz
P
O
– Output Power – mW
Figure 3
Figure 4
5
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TI [ TEXAS INSTRUMENTS ]
