Datasheet
TYPICAL CHARACTERISTICS: V
S
= ± 5V, DC and Power-Supply Parameters
40
39
38
37
36
35
34
33
32
GainControlVoltage(V)
QuiescentCurrent(mA)
-1.0 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1.0
+I
Q
-I
Q
1500
1400
1300
1200
1100
1000
900
800
700
A (V/V)
VMAX
FeedbackResistor( )W
1 10 100
NOTE: 3dBbandwidthvarieswithpackagetype.
Seethe sectionformoredetails.
-
Application
For>40dBGainAdjustRange
40
39
38
37
36
35
34
33
32
GainControlVoltage(V)
QuiescentCurrent(mA)
-1.0 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1.0
+I
Q
-I
Q
40
39
38
37
36
35
34
33
32
GainControlVoltage(V)
QuiescentCurrent(mA)
-1.0 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1.0
+I
Q
-I
Q
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
Temperature( C)°
InputOffsetVoltage( V)m
35
30
25
20
15
10
5
0
-5
InputBiasandOffsetCurrent( A)m
-50 -25 0 25 50 75 100 125
InputOffsetVoltage(V )
OS
LeftScale
InputBiasCurrent(I )
B
RightScale
10xInputOffsetCurrent(I )
OS
RightScale
V =0V
G
VCA822
SBOS343C – SEPTEMBER 2007 – REVISED DECEMBER 2008 .....................................................................................................................................
www.ti.com
At T
A
= +25 ° C, R
L
= 100 Ω , V
G
= +1V, and V
IN
= single-ended input on +V
IN
with – V
IN
at ground, unless otherwise noted.
SUPPLY CURRENT vs CONTROL VOLTAGE
RECOMMENDED R
F
vs A
VMAX
(A
VMAX
= +2V/V)
Figure 9. Figure 10.
SUPPLY CURRENT vs CONTROL VOLTAGE SUPPLY CURRENT vs CONTROL VOLTAGE
(A
VMAX
= +10V/V) (A
VMAX
= +100V/V)
Figure 11. Figure 12.
TYPICAL DC DRIFT vs TEMPERATURE
Figure 13.
6 Submit Documentation Feedback Copyright © 2007 – 2008, Texas Instruments Incorporated
Product Folder Link(s): VCA822