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0.0001
0.001
0.01
0.1
2 k 10 k 50 k
Intermodulation Distortion − %
f − High Frequency − Hz
4:1 SMPTE Ratio
V
I
= 1 V
PP
,
Gain = 2 V/V,
IM Frequency = 60 Hz
V
CC
= 12 V,
R
L
= 32 
V
CC
= 12 V,
R
L
= 64 
V
CC
= 15 V,
R
L
= 64 
0.00001
V
CC
= 15 V,
R
L
= 32 
−90
−80
−70
−60
−50
−40
−30
−20
−0
10 100 1 k 10 k 50 k
32 
k
SVR
− Supply Voltage Rejection Ratio − dB
f − Frequency − Hz
−10
V
CC
= 15 V,
V
(ripple)
= 1 V
PP
,
Gain = 2 V/V
BW = 80 kHz
64 
Representative of both positive and
negative supplies.
−120
−110
−100
−90
−80
−70
−60
10
100
1 k 10 k 50 k
R
F
= 1 k,
Gain = 2 V/V,
BW = 80 kHz
Crosstalk − dB
f − Frequency − Hz
V
CC
= 12 V,
R
L
= 32 
V
CC
= 15 V,
R
L
= 64 
V
CC
= 12 V,
R
L
= 64 
V
CC
= 15 V,
R
L
= 32 
IM Amplitude (At Input) − V
PP
0.00001
0.01
1
10
0 1 10
0.0001
0.001
0.1
V
CC
= 15 V, R
L
= 32 
V
CC
= 12 V, R
L
= 64 
V
CC
= 12 V, R
L
= 32 
4:1 SMPTE Ratio
Gain = 3 V/V,
High Frequency = 7 kHz
IM Frequency = 60 Hz
2 3 4 5 6 7 8 9
V
CC
= 15 V, R
L
= 64 
Intermodulation Distortion − %
TPA6120A2
SLOS431 – MARCH 2004
TYPICAL CHARACTERISTICS (continued)
SUPPLY VOLTAGE REJECTION RATIO INTERMODULATION DISTORTION
vs vs
FREQUENCY HIGH FREQUENCY
Figure 11. Figure 12.
INTERMODULATION DISTORTION CROSSTALK
vs vs
IM AMPLITUDE (AT INPUT) FREQUENCY
Figure 13. Figure 14.
9