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VCA824IDG4 Datasheet(PDF) 17 Page - Texas Instruments

Part No. VCA824IDG4
Description  Ultra-Wideband, > 40-dB Gain Adjust Range, Linear in V/V Variable Gain Amplifier
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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VCA824IDG4 Datasheet(HTML) 17 Page - Texas Instruments

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background image
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
1.6
1.2
0.8
0.4
0
-0.4
-0.8
-1.2
-1.6
Time(40ns/div)
InputVoltage
LeftScale
OutputVoltage
RightScale
A
=+40V/V
VMAX
V = 0.3V
-
G
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
6
4
2
0
-2
-4
-6
Time(40ns/div)
InputVoltage
LeftScale
OutputVoltage
RightScale
A
=+40V/V
VMAX
V =+1V
G
40
30
20
10
0
-10
-20
-30
-40
-50
-60
-70
-80
Frequency(Hz)
1M
10M
100M
1G
V =2V
O
PP
InputReferred
V = -1V
G
V =+1V
G
1.5
1.0
0.5
0
-0.5
-1.0
Time(10ns/div)
3
2
1
0
-1
V
=50mV
IN
DC
3
0
-3
-6
-9
-12
-15
-18
Frequency(Hz)
1M
10M
100M
1G
V
G
DC
PP
=0V
+10mV
V
=10mV
IN
DC
45
40
35
30
25
20
15
10
5
0
-5
GainControlVoltage(V)
-1.2
-0.4
-0.8
0
0.4
0.8
1.2
VCA824
www.ti.com
SBOS394D – NOVEMBER 2007 – REVISED JANUARY 2016
Typical Characteristics: VS = ±5 V, AVMAX = 40 V/V (continued)
At TA = 25°C, RL = 100 Ω, RF = 402 Ω, RG = 18 Ω, VG = 1 V, VIN = single-ended input on +VIN with –VIN at ground, and SO-14
package, unless otherwise noted.
Figure 56. Gain vs Gain Control Voltage
Figure 57. Gain Control Frequency Response
Figure 58. Gain Control Pulse Response
Figure 59. Fully Attenuated Response
Figure 61. Output Limited Overdrive Recovery
Figure 60. IRG Limited Overdrive Recovery
Copyright © 2007–2016, Texas Instruments Incorporated
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Product Folder Links: VCA824


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