Datasheet

2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
-0.2
GainControlVoltage(V)
Gain(V/V)
-1.2 -0.8 -0.4 0 0.4 0.8 1.2
3
0
-3
-6
-9
-12
Frequency(Hz)
NormalizedGain(dB)
1M 10M 100M 1G
V +10mV
G DC PP
IN DC
=0V
V =0.5V
1.5
1.0
0.5
0
-0.5
-1.0
Time(10ns/div)
V (V)
G
4
3
2
1
0
-1
V (V)
OUT
V =1.25V
IN DC
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
Frequency(Hz)
DifferentialInputVoltage(V )
PP
1M 10M 100M 1G
V =2V
O PP
V = 1V-
G
V =1V
G
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
GainControlVoltage(V)
GroupDelay(ns)
-1.0 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1.0
10MHz
20MHz
1MHz
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
Frequency(MHz)
GroupDelay(ns)
0 20 40 60 80 100
V =+1V
V =1V
G
O PP
VCA822
www.ti.com
..................................................................................................................................... SBOS343C SEPTEMBER 2007 REVISED DECEMBER 2008
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.
GAIN vs GAIN CONTROL VOLTAGE GAIN CONTROL FREQUENCY RESPONSE
Figure 26. Figure 27.
GAIN CONTROL PULSE RESPONSE FULLY-ATTENUATED RESPONSE
Figure 28. Figure 29.
GROUP DELAY vs GAIN CONTROL VOLTAGE GROUP DELAY vs FREQUENCY
Figure 30. Figure 31.
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