Datasheet
www.ti.com
P − OutputPower − W
O
Efficiency
%
-
80
10
100
30
0
40
60
20
50
70
90
12
0 1 2 3 4 5 6 7 8 9
10 11
R =8 (SE)
Gain=20dB
L
W
12V
18V
24V
P − OutputPower − W
O
I
−
SupplyCurrent
−
A
C
C
12 32
1.6
40
0.2
2
0.6
18V
0
0.8
1.2
0.4
1
1.4
1.8
40 8 16 20 24 28 36
R =4 (SE)
Gain=20dB
L
W
24V
12V
-120
20 100
1k
20k
f − Frequency − Hz
PowerSupplyRejectionRatio
dB
-
10k
-110
-100
-90
-80
-70
-50
0
V =24V
V =0.2V
R =4 (SE)
Gain=20dB
CC
O(ripple) PP
L
W
-40
-30
-20
-10
-60
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0 2.5 5 7.5 10 12.5 15 17.5 20 22.5 25
P -OutputPower-W
O
I -SupplyCurrent- A
CC
12V
18V
24V
R =8 ,
Gain=20dB
L
W
TPA3120D2
SLOS507E – MARCH 2007 – REVISED SEPTEMBER 2007
TYPICAL CHARACTERISTICS (continued)
All tests are made at frequency = 1 kHz unless otherwise noted.
EFFICIENCY SUPPLY CURRENT
vs vs
OUTPUT POWER OUTPUT POWER
Figure 13. Figure 14.
SUPPLY CURRENT POWER SUPPLY REJECTION RATIO
vs vs
OUTPUT POWER FREQUENCY
Figure 15. Figure 16.
Copyright © 2007, Texas Instruments Incorporated Submit Documentation Feedback 9
Product Folder Link(s): TPA3120D2