Datasheet

GainControlVoltage(V)
0 0.2 2.0
Gain(V/V)
45
40
35
30
25
20
15
10
5
0
-5
0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
Frequency(Hz)
1M 1G
NormalizedGain(dB)
3
0
-3
-6
-9
-12
-15
-18
10M 100M
V =1V +10mV
G DC PP
V =10mV
IN DC
Time(10ns/div)
InputV
oltage(V)
OutputVoltage(V)
2.5
2.0
1.5
1.0
0.5
0
-0.5
4
3
2
1
0
-1
V =50mV
IN DC
Frequency(Hz)
1M 1G
NormalizedGain(dB)
30
20
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
10M 100M
V =+2V
G
V =0V
G
InputReferred
V =2V
O PP
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
InputVoltage(V)
6
4
2
0
-2
-4
-6
OutputVoltage(V)
Time(40ns/div)
InputVoltage
LeftScale
OutputVoltage
RightScale
A =32dB
VMAX
V =+2V
G
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
InputV
oltage(V)
1.6
1.2
0.8
0.4
0
-0.4
-0.8
-1.2
-1.6
OutputVoltage(V)
Time(40ns/div)
InputVoltage
LeftScale
OutputVoltage
RightScale
A =32dB
VMAX
V =0.7V
G
VCA821
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....................................................................................................................................... SBOS407B DECEMBER 2007 REVISED DECEMBER 2008
TYPICAL CHARACTERISTICS: V
S
= ± 5V, A
VMAX
= 32dB (continued)
At T
A
= +25 ° C, R
L
= 100 , R
F
= 402 , R
G
= 18 , V
G
= +2V, 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 66. Figure 67.
GAIN CONTROL PULSE RESPONSE FULLY ATTENUATED RESPONSE
Figure 68. Figure 69.
I
RG
LIMITED OVERDRIVE RECOVERY OUTPUT LIMITED OVERDRIVE RECOVERY
Figure 70. Figure 71.
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