参数资料
型号: AD8332ARU
厂商: ANALOG DEVICES INC
元件分类: 消费家电
英文描述: Ultralow Noise VGAs with Preamplifier and Programmable RIN
中文描述: SPECIALTY CONSUMER CIRCUIT, PDSO28
封装: MO-153AE, TSSOP-28
文件页数: 9/32页
文件大小: 482K
代理商: AD8332ARU
AD8331/AD8332
Rev. C | Page 9 of 32
%
50.5
GAIN SCALING FACTOR
0
50.4
49.6
49.7
49.8
49.9
50.0
50.1
50.2
50.3
5
25
20
15
10
35
SAMPLE SIZE = 100
0.2V < V
GAIN
< 0.7V
30
0
Figure 15. Gain Scaling Factor Histogram
100
100k
1M
10
1
0.1
10M
100M
FREQUENCY (Hz)
O
)
SINGLE ENDED, PIN VOH OR VOL
R
L
=
0
Figure 16. Output Impedance vs. Frequency
FREQUENCY (Hz)
I
)
100
1k
10
100k
10k
1M
100M
10M
R
FB
=
, C
SH
= 0pF
R
FB
= 270
, C
SH
= 22pF
R
FB
= 412
, C
SH
= 12pF
R
FB
= 549
, C
SH
= 8.2pF
R
FB
= 3.01k
, C
SH
= 0pF
R
FB
= 6.65k
, C
SH
= 0pF
R
FB
= 1.1k
, C
SH
= 1.2pF
0
Figure 17. LNA Input Impedance vs. Frequency for
Various Values of R
FB
and C
SH
0
17
25j
–25j
50j
–50j
100j
–100j
f = 100kHz
R
IN
= 50
R
FB
= 270
R
IN
= 75
,
R
FB
= 412
R
IN
= 100
,
R
FB
= 549
,
R
IN
= 200
,
R
FB
= 1.1k
R
IN
= 6k
,
R
FB
=
0
Figure 18. Smith Chart, S11 vs. Frequency, 0.1 MHz to 200 MHz
for Various Values of R
FB
1G
FREQUENCY (Hz)
10M
G
100k
–10
–5
0
5
20
10
15
100M
1M
–20
–15
R
IN
= 50
, 75
,
AND 100
R
IN
= 200
R
IN
= 200
R
IN
= 500
R
IN
= 1k
0
Figure 19. LNA Frequency Response,
Single-Ended, for Various Values of R
IN
1G
FREQUENCY (Hz)
10M
G
100k
–10
–5
0
5
20
10
15
100M
1M
–20
–15
R
FB
=
0
Figure 20. LNA Frequency Response, Unterminated, Single-Ended
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