TPA301
350-mW MONO AUDIO POWER AMPLIFIER
SLOS208C – JANUARY1998 – REVISED MARCH 2000
TYPICAL CHARACTERISTICS
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
vs
FREQUENCY
FREQUENCY
10
10
V
P
R
= 5 V
= 350 mW
= 8 Ω
DD
O
L
V
= 5 V
DD
R = 8 Ω
L
A
V
= –20 V/V
A = –2 V/V
V
P
O
= 50 mW
1
1
A
V
=– 10 V/V
P
O
= 175 mW
A
V
= –2 V/V
0.1
0.1
P
O
= 350 mW
0.01
0.01
20
100
1k
10k 20k
20
100
1k
10k 20k
f – Frequency – Hz
f – Frequency – Hz
Figure 11
Figure 12
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
vs
OUTPUT POWER
OUTPUT POWER
10
10
V
= 5 V
DD
f = 1 kHz
f = 20 kHz
A
V
= –2 V/V
f = 10 kHz
f = 1 kHz
1
1
R
= 8 Ω
L
0.1
0.1
f = 20 Hz
V
R
A
V
= 5 V
DD
= 8 Ω
L
= –2 V/V
0.01
0.01
0.1
0.25
P
0.40
0.55
0.70
0.85
1
0.01
0.1
1
– Output Power – W
P
O
– Output Power – W
O
Figure 13
Figure 14
8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
