Datasheet

P
O
− Output Power − W
0.0
0.3
0.6
0.9
1.2
1.5
0 3 6 9 12 15
I
CC
− Supply Current − A
G017
R
L
= 4 Ω (SE)
Gain = 20 dB
V
CC
= 12 V
P
O
− Output Power − W
0.0
0.2
0.4
0.6
0.8
1.0
1.2
0 5 10 15 20 25
I
CC
− Supply Current − A
G018
V
CC
= 24 V
V
CC
= 18 V
R
L
= 8 Ω (SE)
Gain = 20 dB
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
f − Frequency − Hz
Power Supply Rejection Ratio − dB
G019
20 100 1k 10k 20k
V
CC
= 24 V
V
O(ripple)
= 0.2 V
PP
R
L
= 4 Ω (SE)
Gain = 20 dB
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
f − Frequency − Hz
Power Supply Rejection Ratio − dB
G025
20 100 1k 10k 20k
V
CC
= 24 V
V
O(ripple)
= 0.2 V
PP
R
L
= 8 Ω (SE)
Gain = 20 dB
TPA3121D2
SLOS537A –MAY 2008–REVISED AUGUST 2010 www.ti.com
TYPICAL CHARACTERISTICS (continued)
All tests are made at frequency = 1 kHz unless otherwise noted.
SUPPLY CURRENT SUPPLY CURRENT
vs vs
OUTPUT POWER OUTPUT POWER
Figure 17. Figure 18.
A. Dashed line represents thermally limited region.
POWER SUPPLY REJECTION RATIO POWER SUPPLY REJECTION RATIO
vs vs
FREQUENCY FREQUENCY
Figure 19. Figure 20.
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