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f − Frequency − Hz
20 100 1k 10k
THD+N
T
otalHarmonicDistortion+Noise
%
-
-
0.1
10
20k
1
0.01
0.001
V =24V
R =8 (BTL)
Gain=20dB
CC
L
W
P =20W
O
P =1W
O
P =5W
O
R =8 (BTL)
Gain=20dB
L
W
P − OutputPower − W
O
10m 100m 1 10
THD+N
T
otalHarmonicDistortion+Noise
%
-
-
1
40
10
0.01
0.1
V =12V
CC
V =24V
CC
V =18V
CC
-200
400
-100
0
100
200
300
-30
30
-20
-10
0
10
20
20 200k100 1k 10k
f-Frequency-Hz
Phase-°
Gain-dB
Phase
Gain
V =24V,
R =8 (BTL),
Gain=20dB,
L =33 H,
C =1 F
CC
L
filt
filt
W
m
m
V − SupplyVoltage − V
SS
16 26
P
OutputPower
W
O
-
-
40
30
55
0
65
15
THD=10%
THD=1%
R =8 (BTL)
Gain=20dB
L
W
20
30
10
25
35
45
60
50
1210 14 18 20 22 24 28
5
TPA3120D2
SLOS507E – MARCH 2007 – REVISED SEPTEMBER 2007
TYPICAL CHARACTERISTICS (continued)
All tests are made at frequency = 1 kHz unless otherwise noted.
TOTAL HARMONIC DISTORTION + NOISE TOTAL HARMONIC DISTORTION + NOISE
vs vs
FREQUENCY OUTPUT POWER
Figure 17. Figure 18.
GAIN/PHASE OUTPUT POWER
vs vs
FREQUENCY SUPPLY VOLTAGE
Figure 19.
A. Dashed line represents thermally limited
region.
Figure 20.
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