Datasheet
TYPICAL CHARACTERISTICS: V
S
= ± 5V, DC and Power-Supply Parameters
GainControlVoltage(V)
0 0.2 0.4
+I
Q
-I
Q
0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
QuiescentCurrent(mA)
36
35
34
33
32
31
30
29
GainControlVoltage(V)
0 0.2 0.4
+I
Q
-I
Q
0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
QuiescentCurrent(mA)
36
35
34
33
32
31
30
29
GainControlVoltage(V)
0 0.2 0.4
-I
Q
+I
Q
0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
QuiescentCurrent(mA)
37
36
35
34
33
32
31
30
29
Temperature( C)°
-50 -25 250 50 75 100 125
InputOffsetVoltage( V)m
0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
-3.5
-4.0
-4.5
InputBiasandOffsetCurrent( A)m
30
25
20
15
10
5
0
-5
-10
-15
InputBiasCurrent(I )
B
RightScale
10xInputOffsetCurrent(I )
OS
RightScale
InputOffsetVoltage(V )
OS
LeftScale
VCA821
SBOS407B – DECEMBER 2007 – REVISED DECEMBER 2008 .......................................................................................................................................
www.ti.com
At T
A
= +25 ° C, R
L
= 100 Ω , V
G
= +2V, and V
IN
= single-ended input on +V
IN
with – V
IN
at ground, unless otherwise noted.
SUPPLY CURRENT vs CONTROL VOLTAGE SUPPLY CURRENT vs CONTROL VOLTAGE
(A
VMAX
= 6dB) (A
VMAX
= 20dB)
Figure 7. Figure 8.
SUPPLY CURRENT vs CONTROL VOLTAGE
(A
VMAX
= 32dB) TYPICAL DC DRIFT vs TEMPERATURE
Figure 9. Figure 10.
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