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参数资料
| 型号： | VCA821IDRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO14 |
| 封装： | GREEN, PLASTIC, MS-012AB, SOIC-14 |
| 文件页数： | 8/36页 |
| 文件大小： | 1276K |
| 代理商： | VCA821IDRG4 |
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-35
-40
-45
-50
-55
-60
-65
-70
Frequency(MHz)
HarmonicDistortion(dBc)
0.1
1
10
100
A
=32dB
VMAX
V
=+2V
G
V
=2V
O
PP
R =100W
L
2ndHarmonic
3rdHarmonic
-50
-55
-60
-65
-70
-75
-80
-85
Resistance(W)
HarmonicDistortion(dBc)
100
1k
2ndHarmonic
3rdHarmonic
A
=32dB
VMAX
V
=+2V
G
V
O
PP
=1V
f=20MHz
GainControlVoltage(V)
0.6
0.8
2.0
HarmonicDistortion(dBc)
-10
-15
-20
-25
-30
-35
-40
-45
-50
-55
-60
1.0
1.2
1.4
1.6
1.8
MaximumCurrentThroughR
Limited
G
3rdHarmonic
2ndHarmonic
A
=32dB
VMAX
V
=2V
O
PP
R =100W
L
f=20MHz
-10
-20
-30
-40
-50
-60
-70
-80
OutputVoltageSwing(V
)
PP
HarmonicDistortion(dBc)
0.1
1
10
A
=32dB
VMAX
V
=+2V
G
R
L
=100W
f=20MHz
2ndHarmonic
3rdHarmonic
MaximumCurrent
ThroughR
Limited
G
34
32
30
28
26
24
22
Frequency(MHz)
InterceptP
oint(+dBm)
0
10
20
30
40
50
60
70
80
90
100
V
=+2V
At50
MatchedLoad
W
G
GainControlVoltage(V)
0.8
1.0
2.0
InterceptP
oint(+dBm)
35
30
25
20
15
10
1.2
1.4
1.6
1.8
ConstantOutputVoltage
ConstantInputVoltage
f=20MHz
At50
MatchedLoad
W
SBOS407B – DECEMBER 2007 – REVISED DECEMBER 2008 ....................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS: VS = ±5V, AVMAX = 32dB (continued)
At TA = +25°C, RL = 100, RF = 402, RG = 18, VG = +2V, VIN = single-ended input on +VIN with –VIN at ground, and SO-14
package, unless otherwise noted.
HARMONIC DISTORTION vs
FREQUENCY
LOAD RESISTANCE
Figure 60.
Figure 61.
HARMONIC DISTORTION vs
OUTPUT VOLTAGE
GAIN CONTROL VOLTAGE
Figure 62.
Figure 63.
TWO-TONE, 3RD-ORDER INTERMODULATION INTERCEPT
TWO-TONE, 3RD-ORDER
vs
INTERMODULATION INTERCEPT
GAIN CONTROL VOLTAGE
Figure 64.
Figure 65.
16
Copyright 2007–2008, Texas Instruments Incorporated
Product Folder Link(s): VCA821
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