Datasheet

V
CC
− Supply Voltage − V
0
1
2
3
4
5
6
7
8
9
10
10 11 12 13 14 15
P
O
− Output Power − W
G013
THD+N = 1%
THD+N = 10%
R
L
= 4 Ω (SE)
Gain = 20 dB
V
CC
− Supply Voltage − V
0
2
4
6
8
10
12
14
10 12 14 16 18 20 22 24 26
P
O
− Output Power − W
G014
THD+N = 1%
THD+N = 10%
R
L
= 8 Ω (SE)
Gain = 20 dB
P
O
− Output Power − W
0
10
20
30
40
50
60
70
80
90
100
0 1 2 3 4 5 6 7
Efficiency − %
G015
R
L
= 4 Ω (SE)
Gain = 20 dB
V
CC
= 12 V
P
O
− Output Power − W
0
10
20
30
40
50
60
70
80
90
100
0 2 4 6 8 10 12
Efficiency − %
G016
V
CC
= 18 V
R
L
= 8 Ω (SE)
Gain = 20 dB
V
CC
= 24 V
TPA3121D2
www.ti.com SLOS537A –MAY 2008–REVISED AUGUST 2010
TYPICAL CHARACTERISTICS (continued)
All tests are made at frequency = 1 kHz unless otherwise noted.
OUTPUT POWER OUTPUT POWER
vs vs
SUPPLY VOLTAGE SUPPLY VOLTAGE
A. Dashed line represents thermally limited region.
Figure 13. Figure 14.
EFFICIENCY EFFICIENCY
vs vs
OUTPUT POWER OUTPUT POWER
Figure 15. Figure 16.
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