Datasheet

11
10
9
8
7
6
5
4
3
2
1
0
-1
GainControlVoltage(V)
Gain(V/V)
-1.2 -0.8 -0.4 0 0.4 0.8 1.2
6
3
0
-3
-6
-9
-12
-15
-18
Frequency(Hz)
NormalizedGain(dB)
1M 10M 100M 1G
V =0V +10mV
G DC PP
IN DC
V =0.1V
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 =0.25V
IN DC
5
4
3
2
1
0
-1
-2
-3
-4
-5
OutputCurrent(mA)
OutputVoltage(V)
-300 -200 -100 0 100 200 300
1WInternal
PowerDissipation
1WInternal
PowerDissipation
100W
LoadLine
50W
LoadLine
25W
LoadLine
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
Time(40ns/div)
V (V)
I
N
8
4
0
-4
-8
V (V)
OUT
A =+10V/V
VMAX
V
G
= -0.3V
InputVoltage
LeftScale
OutputVoltage
RightScale
30
20
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
Frequency(Hz)
Gain(dB)
1M 10M 100M 1G
V =2V
O PP
V = 1V-
G
V =1V
G
Input-Referred
VCA822
www.ti.com
..................................................................................................................................... SBOS343C SEPTEMBER 2007 REVISED DECEMBER 2008
TYPICAL CHARACTERISTICS: V
S
= ± 5V, A
VMAX
= +10V/V (continued)
At T
A
= +25 ° C, R
L
= 100 , R
F
= 1k , R
G
= 200 , V
G
= +1V, and V
IN
= single-ended input on +V
IN
with V
IN
at ground, unless
otherwise noted.
GAIN vs GAIN CONTROL VOLTAGE GAIN CONTROL FREQUENCY RESPONSE
Figure 48. Figure 49.
GAIN CONTROL PULSE RESPONSE OUTPUT VOLTAGE AND CURRENT LIMITATIONS
Figure 50. Figure 51.
FULLY-ATTENUATED RESPONSE I
RG
LIMITED OVERDRIVE RECOVERY
Figure 52. Figure 53.
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