Datasheet

110
100
90
80
70
60
50
40
30
20
10
0
-10
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 2G1G
V =0V +10mV
G DC PP
IN DC
V =10mV
Feedthrough
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 =25mV
IN DC
50
40
30
20
10
0
-10
-20
-30
-40
-50
-60
Frequency(Hz)
NormalizedGain(dB)
1M 10M 100M 1G
V
O
=2V
PP
V = 1V-
G
V =1V
G
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
Time(40ns/div)
InputVoltage(V)
8
6
4
2
0
-2
-4
-6
-8
OutputVoltage(V)
A
VMAX
=+100V/V
V = 0.3V-
G
InputVoltage
LeftScale
OutputVoltage
RightScale
0.20
0.15
0.10
0.05
0
-0.05
-0.10
-0.15
-0.20
Time(40ns/div)
InputVoltage(V)
8
6
4
2
0
-2
-4
-6
-8
OutputVoltage(V)
A
VMAX
=+100V/V
V =1.0V
G
InputVoltage
LeftScale
OutputVoltage
RightScale
VCA822
www.ti.com ..................................................................................................................................... SBOS343C – SEPTEMBER 2007 – REVISED DECEMBER 2008
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.
GAIN vs GAIN CONTROL VOLTAGE GAIN CONTROL FREQUENCY RESPONSE
Figure 69. Figure 70.
GAIN CONTROL PULSE RESPONSE FULLY-ATTENUATED RESPONSE
Figure 71. Figure 72.
I
RG
LIMITED OVERDRIVE RECOVERY OUTPUT LIMITED OVERDRIVE RECOVERY
Figure 73. Figure 74.
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