參數(shù)資料
型號(hào): VCA2618YT
元件分類(lèi): 可變?cè)鲆娣糯笃?/td>
英文描述: Dual, Variable Gain Amplifier with Input Buffer
中文描述: 雙路,可變?cè)鲆娣糯笃鬏斎刖彌_器
文件頁(yè)數(shù): 6/14頁(yè)
文件大小: 326K
代理商: VCA2618YT
VCA2618
SBOS254B
6
www.ti.com
TYPICAL CHARACTERISTICS
(Cont.)
At T
A
= +25°C, V
DD
= 5V, load resistance = 500
on each output to ground, differential output (2V
PP
) MGS = 111, and f
IN
= 5MHz, unless otherwise noted.
NOISE FIGURE vs VCA
CNTL
VCA
CNTL
(V)
N
60
55
50
45
40
35
30
25
20
15
10
5
0
0.2
1.0 1.2
0.4 0.6 0.8
1.8 2.0
1.4 1.6
2.2 2.4 2.6 2.8 3.0
HARMONIC DISTORTION vs FREQUENCY
(Differential, 2Vp-p, MGS = 001)
Frequency (Hz)
100k
1M
10M
H
–30
–35
–40
–45
–50
–55
–60
–65
–70
VCA
CNTL
= 0.2V, H2
VCA
CNTL
= 0.2V, H3
VCA
CNTL
= 3.0V, H2
VCA
CNTL
= 3.0V, H3
HARMONIC DISTORTION vs FREQUENCY
(Differential, 2Vp-p, MGS = 011)
Frequency (Hz)
100k
1M
10M
H
–30
–35
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
VCA
CNTL
= 0.2V, H2
VCA
CNTL
= 0.2V, H3
VCA
CNTL
= 3.0V, H2
VCA
CNTL
= 3.0V, H3
HARMONIC DISTORTION vs FREQUENCY
(Differential, 2Vp-p, MGS = 111)
Frequency (MHz)
100k
1M
10M
H
–30
–35
–40
–45
–50
–55
–60
–65
–70
–75
–80
VCA
CNTL
= 0.2V, H2
VCA
CNTL
= 0.2V, H3
VCA
CNTL
= 3.0V, H2
VCA
CNTL
= 3.0V, H3
HARMONIC DISTORTION vs FREQUENCY
(Single-Ended, 1Vp-p, MGS = 001)
Frequency (Hz)
100k
1M
10M
H
–30
–35
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
VCA
CNTL
= 0.2V, H2
VCA
CNTL
= 0.2V, H3
VCA
CNTL
= 3.0V, H2
VCA
CNTL
= 3.0V, H3
HARMONIC DISTORTION vs FREQUENCY
(Single-Ended, 1Vp-p, MGS = 011)
Frequency (Hz)
100k
1M
10M
H
–30
–35
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
VCA
CNTL
= 0.2V, H2
VCA
CNTL
= 0.2V, H3
VCA
CNTL
= 3.0V, H2
VCA
CNTL
= 3.0V, H3
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