f − Frequency − Hz
20
V
CC
= 24 V
R
L
= 8
Ω
(BTL)
Gain = 20 dB
100
1k
10k
THD+N − T
otal Harmonic Dist Noise − %
0.001
10
20k
0.1
G020
1
P
O
= 5 W
P
O
= 20 W
0.01
P
O
= 1 W
P
O
− Output Power − W
0.01
R
L
= 8
Ω
(BTL)
Gain = 20 dB
0.1
1
10
THD+N − T
otal Harmonic Dist Noise − %
0.001
0.01
10
40
0.1
G021
1
V
CC
= 12 V
V
CC
= 24 V
V
CC
= 18 V
V
CC
− Supply Voltage − V
0
5
10
15
20
25
30
35
40
45
50
10
12
14
16
18
20
22
24
26
P
O
− Output Power − W
G023
THD+N = 1%
THD+N = 10%
R
L
= 8
Ω
(BTL)
Gain = 20 dB
P
O
− Output Power − W
0
10
20
30
40
50
60
70
80
90
100
0
2
4
6
8
10
12
Ef
ficiency − %
G024
R
L
= 8
Ω
(BTL)
Gain = 20 dB
V
CC
= 24 V
www.ti.com
........................................................................................................................................................................................................
SLOS578 – MAY 2008
TYPICAL CHARACTERISTICS (continued)
All tests are made at frequency = 1 kHz unless otherwise noted.
TOTAL HARMONIC DIST NOISE
TOTAL HARMONIC DIST NOISE
vs
vs
FREQUENCY
OUTPUT POWER
Figure 21.
Figure 22.
OUTPUT POWER
EFFICIENCY
vs
vs
SUPPLY VOLTAGE
OUTPUT POWER
Figure 24.
A.
Dashed
line
represents
thermally
limited
region.
Figure 23.
Copyright © 2008, Texas Instruments Incorporated
11
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