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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： | 4/36页 |
| 文件大小： | 1276K |
| 代理商： | VCA821IDRG4 |
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-50
-55
-60
-65
-70
-75
-80
-85
Frequency(MHz)
HarmonicDistortion(dBc)
0.1
1
10
100
A
=20dB
VMAX
V
=+2V
G
V
=2V
O
PP
R =100W
L
2ndHarmonic
3rdHarmonic
-66
-68
-70
-72
-74
-76
-78
-80
Resistance(
)
W
HarmonicDistortion(dBc)
100
1k
2ndHarmonic
3rdHarmonic
A
=20dB
VMAX
V
=+2V
G
V
O
PP
=1V
f=20MHz
GainControlVoltage(V)
0.6
0.8
2.0
HarmonicDistortion(dBc)
-10
-20
-30
-40
-50
-60
-70
-80
-90
1.0
1.2
1.4
1.6
1.8
3rdHarmonic
2ndHarmonic
A
=20dB
VMAX
V
=2V
O
PP
R =100W
L
f=20MHz
MaximumCurrentthrough
R
Limited.
G
-20
-30
-40
-50
-60
-70
-80
-90
OutputVoltageSwing(V
)
PP
HarmonicDistortion(dBc)
0.1
1
10
A
=+10V/V
VMAX
V
=+2V
G
R
L
=100W
f=20MHz
2ndHarmonic
3rdHarmonic
MaximumCurrent
ThroughR
Limited
G
37
35
33
31
29
27
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)
40
35
30
25
20
15
1.2
1.4
1.6
1.8
ConstantInputVoltage
ConstantOutputVoltage
f=20MHz
At50
MatchedLoad
W
SBOS407B – DECEMBER 2007 – REVISED DECEMBER 2008 ....................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS: VS = ±5V, AVMAX = 20dB (continued)
At TA = +25°C, RL = 100, RF = 402, RG = 80, VG = +2V, and VIN = single-ended input on +VIN with –VIN at ground, unless
otherwise noted.
HARMONIC DISTORTION vs
FREQUENCY
LOAD RESISTANCE
Figure 39.
Figure 40.
HARMONIC DISTORTION vs
OUTPUT VOLTAGE
GAIN CONTROL VOLTAGE
Figure 41.
Figure 42.
TWO-TONE, 3RD-ORDER INTERMODULATION INTERCEPT
TWO-TONE, 3RD-ORDER
vs
INTERMODULATION INTERCEPT
GAIN CONTROL VOLTAGE
Figure 43.
Figure 44.
12
Copyright 2007–2008, Texas Instruments Incorporated
Product Folder Link(s): VCA821
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