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AD8331ARQZ-R7 数据表(PDF) 13 Page - Analog Devices

部件名 AD8331ARQZ-R7
功能描述  Ultralow Noise VGAs with Preamplifier and Programmable RIN
PDF  40 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD8331ARQZ-R7 数据表(HTML) 13 Page - Analog Devices

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AD8331/AD8332/AD8334
Rev. E | Page 13 of 40
60
50
40
30
20
10
0
–10
100k
1M
10M
100M
500M
FREQUENCY (Hz)
VGAIN = 1V
VGAIN = 0.8V
VGAIN = 0.6V
VGAIN = 0.4V
VGAIN = 0.2V
VGAIN = 0V
Figure 13. Frequency Response for Various Values of VGAIN, HILO = HI
30
20
–30
–20
–10
0
10
100k
1M
10M
100M
500M
FREQUENCY (Hz)
RIN = RS = 50Ω
RIN = RS = 75Ω
RIN = RS = 100Ω
RIN = RS = 200Ω
RIN = RS = 500Ω
RIN = RS = 1kΩ
VGAIN = 0.5V
Figure 14. Frequency Response for Various Matched Source Impedances
30
–30
–20
–10
0
10
20
100k
1M
10M
100M
500M
FREQUENCY (Hz)
VGAIN = 0.5V
RFB = ∞
Figure 15. Frequency Response, Unterminated LNA, RS = 50 Ω
0
–120
–100
–80
–60
–40
–20
100k
1M
10M
100M
FREQUENCY (Hz)
VOUT = 1V p-p
VGAIN = 1.0V
VGAIN = 0.7V
VGAIN = 0.4V
AD8332
AD8334
Figure 16. Channel-to-Channel Crosstalk vs.
Frequency for Various Values of VGAIN
50
0
5
10
15
20
25
30
35
40
45
100k
1M
10M
100M
FREQUENCY (Hz)
0.1µF
COUPLING
1µF
COUPLING
Figure 17. Group Delay vs. Frequency for Two Values of AC Coupling
20
–20
–10
0
10
20
–20
–10
0
10
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
VGAIN (V)
T = +85°C
T = +25°C
T = –40°C
T = +85°C
T = +25°C
T = –40°C
HI GAIN
LO GAIN
Figure 18. Representative Differential Output Offset Voltage vs.
VGAIN at Three Temperatures



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