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−100
−80
−60
−40
−20
0
f − Frequency − Hz
Crosstalk −
dB
G007
20 100 1k 20k10k
Gain=20dB
P
O
=0.25W
R
L
=4 Ω (SE)
V
CC
=18V
RighttoLeft
LefttoRight
−100
−80
−60
−40
−20
0
f − Frequency − Hz
Crosstalk − dB
G008
Gain=20dB
P
O
=0.125W
R
L
=8 Ω (SE)
V
CC
=18V
20 100 1k 20k10k
RighttoLeft
LefttoRight
f − Frequency − Hz
Gain
− dBr A
G009
0
−200
200
400
Phase −
°
100 1k 100k10k
Phase
Gain
−20
−40
0
20
V
CC
=24V
Gain=20dB
O
P =0.125W
L
filt
=22 mH
C
filt
=0.68 Fm
C
dc
=470 Fm
R
L
=4 Ω (SE)
0
5
10
15
20
25
30
f − Frequency − Hz
Gain
− dBr A
G010
0
−100
−200
−300
100
200
Phase −
°
20 100 1k 200k10k
Phase
Gain
Gain=20dB
P
O
=0.125W
R
L
=8 Ω (SE)
V
CC
=18V
L
filt
=47 mH
C
filt
=0.22 Fm
C
dc
=470 Fm
PV
CC
− SupplyVoltage − V
0
5
10
15
10 12 14 16 18 20
P
O
− OutputPower
−
W
G011
THD+N=10%
THD+N=1%
Gain=20dB
R
L
=4 (SE)W
PV
CC
− SupplyVoltage − V
0
2
4
6
8
10
12
14
16
18
10 12 14 16 18 20 22 24 26 28 30
P
O
− OutputPower
−
W
G012
Gain=20dB
R
L
=8 Ω (SE)
THD+N=10%
THD+N=1%
TPA3122D2
SLOS527A – DECEMBER 2007 – REVISED DECEMBER 2007
TYPICAL CHARACTERISTICS (continued)
CROSSTALK CROSSTALK
vs vs
FREQUENCY (SE) FREQUENCY (SE)
Figure 7. Figure 8.
GAIN/PHASE GAIN/PHASE
vs vs
FREQUENCY (SE) FREQUENCY (SE)
Figure 9. Figure 10.
OUTPUT POWER OUTPUT POWER
vs vs
SUPPLY VOLTAGE (SE) SUPPLY VOLTAGE (SE)
Figure 12.
NOTE: Dashed line = Thermally limited
Figure 11.
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