参数资料
型号: AD8331
厂商: Analog Devices, Inc.
英文描述: Ultralow Noise VGAs with Preamplifier and Programmable RIN
中文描述: 超低噪声的VGA前置放大器和可编程与房地产经纪人
文件页数: 8/32页
文件大小: 482K
代理商: AD8331
AD8331/AD8332
Rev. C | Page 8 of 32
FREQUENCY (Hz)
G
–10
0
10
20
40
30
50
60
0.8V
0.6V
0.4V
0.2V
0V
1M
1G
100k
100M
10M
0
V
GAIN
= 1V
Figure 9. Frequency Response for Various Values of V
GAIN
, HILO = HI
G
–10
0
10
20
–40
30
–30
–20
1M
1G
100k
100M
10M
V
GAIN
= 0.5 V
R
IN
= R
S
= 50
, 75
, 100
R
IN
= R
S
= 1k
0
R
IN
= R
S
= 500
R
IN
= R
S
= 200
FREQUENCY (Hz)
Figure 10. Frequency Response for Various Matched Source Impedances
FREQUENCY (Hz)
G
–10
0
10
20
–40
30
–30
–20
1M
1G
100k
100M
10M
V
GAIN
= 0.5V
R
FB
=
0
Figure 11. Frequency Response, Unterminated, R
S
= 50
FREQUENCY (Hz)
C
–70
0
–60
–50
–30
–40
–20
1M
100k
100M
10M
–10
–90
–80
0.7V
0.4V
0.9V
V
GAIN
= 1V
0.5V
V
OUT
= 1 V p-p
0
Figure 12. Channel-to-Channel Crosstalk vs.
Frequency for Various Values of V
GAIN
FREQUENCY (Hz)
1M
100k
100M
10M
0
50
45
40
35
30
25
20
15
10
5
0
0.1
μ
F
COUPLING
1
μ
F
COUPLING
G
Figure 13. Group Delay vs. Frequency
1.1
0.4
0.2
0
0.3
0.1
0.9
0.7
0.5
V
GAIN
(V)
0.8
0.6
1.0
–20
–10
0
10
20
–20
–10
0
10
20
T = +25
°
C
LO GAIN
T = +25
°
C
0
O
HI GAIN
T = +85
°
C
T = +85
°
C
T = –40
°
C
T = –40
°
C
T = –40
°
C
T = +25
°
C
T = +85
°
C
T = –40
°
C
Figure 14. Representative Differential Output Offset Voltage vs. V
GAIN
at Three
Temperatures
相关PDF资料
PDF描述
AD8331-EVAL Ultralow Noise VGAs with Preamplifier and Programmable RIN
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