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P − OutputPower − W
O
32
Efficiency
%
-
80
40
10
100
30
R =8 (BTL)
Gain=20dB
L
W
0
40
60
20
50
70
90
40 8 16 20 24 28 36
12V
18V
24V
12
-140
20 100
1k
20k
f − Frequency − Hz
PowerSupplyRejectionRatio
dB
-
10k
-120
-100
-80
-60
-40
-20
0
V =24V
V =200mV
R =8 (BTL)
Gain=20dB
CC
O(ripple)
L
W
TPA3120D2
SLOS507E – MARCH 2007 – REVISED SEPTEMBER 2007
TYPICAL CHARACTERISTICS (continued)
All tests are made at frequency = 1 kHz unless otherwise noted.
EFFICIENCY POWER SUPPLY REJECTION RATIO
vs vs
OUTPUT POWER FREQUENCY
Figure 21. Figure 22.
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