Datasheet

-35
-40
-45
-50
-55
-60
-65
-70
-75
-80
Frequency(MHz)
HarmonicDistortion(dBc)
0.1 1 10 100
V =+1V
G
A
VMAX
=+100V/V
V =2V
O PP
R =100W
L
2nd-Harmonic
3rd-Harmonic
-40
-45
-50
-55
-60
-65
-70
-75
-80
-85
-90
Resistance( )W
HarmonicDistortion(dBc)
100 1k
V =+1V
G
A
VMAX
=+100V/V
V
O
=2V
PP
f=20MHz
3rd-Harmonic
2nd-Harmonic
-30
-40
-50
-60
-70
-80
GainControlVoltage(V)
HarmonicDistortion(dBc)
-0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1.0
V =2V
O PP
A =+100V/V
VMAX
R =100W
L
f=20MHz
2nd-Harmonic
3rd-Harmonic
MaximumCurrentThroughR Limited
G
-40
-45
-50
-55
-60
-65
OutputVoltageSwing(V )
PP
HarmonicDistortion(dBc)
0.1 1 10
V =1V
G PP
A
VMAX
=+100V/V
R =100W
L
f=20MHz
3rd-Harmonic
2nd-Harmonic
33
31
29
27
25
23
21
19
17
15
Frequency(MHz)
InterceptP
oint(+dBm)
5 10 15 20 25 30 35 40 45 50 55 60 65 70
At50 MatchedLoadW
31
29
27
25
23
21
19
17
15
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
At50 MatchedLoadW
VCA822
SBOS343C – SEPTEMBER 2007 – REVISED DECEMBER 2008 ..................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS: V
S
= ± 5V, A
VMAX
= +100V/V (continued)
At T
A
= +25 ° C, R
L
= 100 Ω , R
F
= 845 Ω , R
G
= 16.9 Ω , 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 63. Figure 64.
HARMONIC DISTORTION vs HARMONIC DISTORTION vs
OUTPUT VOLTAGE GAIN CONTROL VOLTAGE
Figure 65. Figure 66.
TWO-TONE, 3RD-ORDER TWO-TONE, 3RD-ORDER INTERMODULATION INTERCEPT
INTERMODULATION INTERCEPT vs GAIN CONTROL VOLTAGE (f
IN
= 20MHz)
Figure 67. Figure 68.
16 Submit Documentation Feedback Copyright © 2007 – 2008, Texas Instruments Incorporated
Product Folder Link(s): VCA822