TPA301
350-mW MONO AUDIO POWER AMPLIFIER
SLOS208C – JANUARY1998 – REVISED MARCH 2000
TYPICAL CHARACTERISTICS
OUTPUT NOISE VOLTAGE
OUTPUT NOISE VOLTAGE
vs
vs
FREQUENCY
FREQUENCY
100
100
V
= 3.3 V
DD
BW = 22 Hz to 22 kHz
V
= 5 V
DD
BW = 22 Hz to 22 kHz
R
C
A
V
= 32 Ω
=0.1 µF
= –1 V/V
L
B
R
C
A
V
= 32 Ω
=0.1 µF
= –1 V/V
L
B
V
O
BTL
V
O
BTL
10
10
V
O+
V
O+
1
20
1
20
100
1 k
10 k 20 k
100
1 k
10 k 20 k
f – Frequency – Hz
f – Frequency – Hz
Figure 19
Figure 20
POWER DISSIPATION
vs
OUTPUT POWER
POWER DISSIPATION
vs
OUTPUT POWER
300
270
240
210
180
150
720
640
560
480
400
320
V
R
= 3.3 V
DD
= 8 Ω
V
R
= 5 V
= 8 Ω
DD
L
120
90
240
160
L
0
100
200
300
400
0
200
400
P – Output Power – mW
O
600
800
1000
1200
P
– Output Power – mW
O
Figure 21
Figure 22
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