Datasheet

-45
-50
-55
-60
-65
-70
-75
-80
-85
-90
-95
Frequency(MHz)
HarmonicDistortion(dBc)
0.1 1 10 100
V =+1V
G
A =+2V/V
VMAX
V =2V
O PP
R =100W
L
2nd-Harmonic
3rd-Harmonic
-60
-65
-70
-75
-80
-85
Resistance( )W
HarmonicDistortion(dBc)
100 1k
A
VMAX
O PP
=+2V/V
V =2V
f=20MHz
V =+1V
G
2nd-Harmonic
3rd-Harmonic
-40
-45
-50
-55
-60
-65
-70
GainControlVoltage(V)
HarmonicDistortion(dBc)
-0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1.0
2nd-Harmonic
3rd-Harmonic
V =2V
O PP
A
VMAX
=+2V/V
R =100W
L
f=20MHz
MaximumCurrentThroughR Limited
G
-50
-55
-60
-65
-70
-75
-80
OutputVoltageSwing(V )
PP
HarmonicDistortion(dBc)
0.1 1 10
V =+1V
G
A
VMAX
=+2V/V
R =100W
L
f=20MHz
2nd-Harmonic
3rd-Harmonic
45
40
35
30
25
20
Frequency(MHz)
InterceptPoint(+dBm)
0 10 20 30 40 50 60 70
At50 MatchedLoadW
40
38
36
34
32
30
28
26
24
22
20
GainControlVoltage(V)
InterceptPoint(+dBm)
-0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1.0
ConstantInputVoltage
ConstantOutputVoltage
f =20MHz
At50 MatchedLoad
IN
W
VCA822
SBOS343C SEPTEMBER 2007 REVISED DECEMBER 2008 .....................................................................................................................................
www.ti.com
TYPICAL CHARACTERISTICS: V
S
= ± 5V, A
VMAX
= +2V/V (continued)
At T
A
= +25 ° C, R
L
= 100 , R
F
= 1.33k , R
G
= 1.33k , V
G
= +1V, V
IN
= single-ended input on +V
IN
with V
IN
at ground, and
SO-14 package, unless otherwise noted.
HARMONIC DISTORTION vs FREQUENCY HARMONIC DISTORTION vs LOAD RESISTANCE
Figure 20. Figure 21.
HARMONIC DISTORTION vs HARMONIC DISTORTION vs
OUTPUT VOLTAGE GAIN CONTROL VOLTAGE
Figure 22. Figure 23.
TWO-TONE, 3RD-ORDER TWO-TONE, 3RD-ORDER INTERMODULATION INTERCEPT
INTERMODULATION INTERCEPT vs GAIN CONTROL VOLTAGE
Figure 24. Figure 25.
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