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
3
0
-3
-6
-9
-12
-15
Frequency(Hz)
NormalizedGain(dB)
1M 10M 100M 1G
V +10mV
G DC PP
=0V
V =0.1V
IN DC
1.5
1.0
0.5
0
-0.5
-1.0
Time(10ns/div)
InputVoltage(V)
3
2
1
0
-1
OutputVoltage(V)
V
IN
=0.2VDC
5
4
3
2
1
0
-1
-2
-3
-4
-5
OutputCurrent(mA)
OutputVoltage(V)
-150 -100 -50 1500 50 100
25W
Load
1WInternal
Power
Dissipation
1WInternal
Power
Dissipation
100W
Load
50W
Load
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
InputVoltage(V)
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
OutputVoltage(V)
Time(40ns/div)
InputVoltage
LeftScale
OutputVoltage
RightScale
A =+10V/V
VMAX
V
G
= -0.3V
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
InputReferred
V = -1V
G
V =+1V
G
VCA824
www.ti.com ....................................................................................................................................... SBOS394C – NOVEMBER 2007 – REVISED DECEMBER 2008
TYPICAL CHARACTERISTICS: V
S
= ± 5V, A
VMAX
= +10V/V (continued)
At T
A
= +25 ° C, R
L
= 100 Ω , R
F
= 402 Ω , R
G
= 80 Ω , 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 46. Figure 47.
GAIN CONTROL PULSE RESPONSE OUTPUT VOLTAGE AND CURRENT LIMITATIONS
Figure 48. Figure 49.
FULLY-ATTENUATED RESPONSE I
RG
LIMITED OVERDRIVE RECOVERY
Figure 50. Figure 51.
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