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VCA824IDG4 Datasheet(PDF) 13 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) 13 Page - Texas Instruments

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background image
30
20
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
Frequency(Hz)
1M
10M
100M
1G
V =2V
O
PP
InputReferred
V = -1V
G
V =+1V
G
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
Time(40ns/div)
InputVoltage
LeftScale
OutputVoltage
RightScale
A
=+10V/V
VMAX
V
G = -0.3V
5
4
3
2
1
0
-1
-2
-3
-4
-5
OutputCurrent(mA)
-150
-100
-50
150
0
50
100
25W
Load
1WInternal
Power
Dissipation
1WInternal
Power
Dissipation
100W
Load
50W
Load
1.5
1.0
0.5
0
-0.5
-1.0
Time(10ns/div)
3
2
1
0
-1
V
IN =0.2VDC
3
0
-3
-6
-9
-12
-15
Frequency(Hz)
1M
10M
100M
1G
V
+10mV
G
DC
PP
=0V
V
=0.1V
IN
DC
11
10
9
8
7
6
5
4
3
2
1
0
-1
GainControlVoltage(V)
-1.2
-0.8
-0.4
0
0.4
0.8
1.2
VCA824
www.ti.com
SBOS394D – NOVEMBER 2007 – REVISED JANUARY 2016
Typical Characteristics: VS = ±5 V, AVMAX = 10 V/V (continued)
At TA = 25°C, RL = 100 Ω, RF = 402 Ω, RG = 80 Ω, VG = 1 V, and VIN = single-ended input on +VIN with –VIN at ground, unless
otherwise noted.
Figure 35. Gain vs Gain Control Voltage
Figure 36. Gain Control Frequency Response
Figure 37. Gain Control Pulse Response
Figure 38. Output Voltage and Current Limitations
Figure 40. IRG Limited Overdrive Recovery
Figure 39. Fully-Attenuated Response
Copyright © 2007–2016, Texas Instruments Incorporated
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Product Folder Links: VCA824


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