Datasheet
-250
200
-200
-150
-100
-50
0
50
100
150
5
22.5
7.5
10
12.5
15
17.5
20
20 100k100 200 1k 2k 10k 20k
f − Frequency − Hz
Gain
dB
-
Phase
-
o
Gain
Phase
V =24V
R =8 (SE)
Gain=20dB
L =47 H
C =0.22 F
C =470 F
CC
L
filt
filt
dc
W
m
m
m
V − SupplyVoltage − V
SS
16 26
P
OutputPower
W
O
-
-
22
30
28
4
32
12
THD=10%
THD=1%
R =4 (SE)
Gain=20dB
L
W
6
8
2
14
18
10
16
20
24
30
26
1210 14 18 20 22 24 28
THD=10%
THD=1%
V -SupplyVoltage-V
SS
P -OutputPower-W
O
R =8 (SE)
Gain=20dB
L
W
16 26 301210
7
14 18 20 22 24 28
17
16
15
14
13
12
11
10
9
6
1
8
5
4
3
2
P − OutputPower − W
O
6 16
Efficiency
%
-
80
20
10
100
30
12V
18V
24V
R =4 (SE)
Gain=20dB
L
W
0
40
60
20
50
70
90
20 4 8 10 12 14 18
TPA3123D2
SLOS541C –JULY 2007–REVISED AUGUST 2010
www.ti.com
TYPICAL CHARACTERISTICS (continued)
All tests are made at frequency = 1 kHz unless otherwise noted.
GAIN/PHASE OUTPUT POWER
vs vs
FREQUENCY SUPPLY VOLTAGE
A. Dashed line represents thermally limited region.
Figure 9. Figure 10.
OUTPUT POWER EFFICIENCY
vs vs
SUPPLY VOLTAGE OUTPUT POWER
Figure 11. Figure 12.
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