AD8331ARQ-REEL Analog Devices Inc, AD8331ARQ-REEL Datasheet - Page 14

• Manufacturer Part Number: AD8331ARQ-REEL
• Description: IC VGA SINGLE W/PREAMP 20-SSOP
• Manufacturer: Analog Devices Inc
• Series: X-AMP®r
• Type: Variable Gain Amplifierr

Specifications of AD8331ARQ-REEL

• Rohs Status: RoHS non-compliant
• Design Resources: Interfacing the High Frequency AD8331 to AD9215 (CN0096)
• Applications: Signal Processing
• Mounting Type: Surface Mount
• Package / Case: 20-QSOP
• For Use With: AD8331-EVALZ - BOARD EVAL FOR AD8331

AD8331/AD8332/AD8334
100
10k
100
0.1
35
30
25
20
15
10
10
1k
10
100k
100k
5
0
1
49.6
SINGLE ENDED, PIN VOH OR PIN VOL
R
SAMPLE SIZE = 100
0.2V < V
L
=
Figure 20. Output Impedance vs. Frequency
Frequency for Various Values of R
Figure 19. Gain Scaling Factor Histogram
∞
49.7
R
R
R
IZ
Figure 21. LNA Input Impedance vs.
IZ
IZ
GAIN
= 1.1kΩ, C
= 6.65kΩ, C
= 3.01kΩ, C
R
49.8
IZ
< 0.7V
= ∞, C
SH
GAIN SCALING FACTOR
1M
1M
49.9
SH
SH
SH
= 1.2pF
FREQUENCY (Hz)
= 0pF
= 0pF
= 0pF
FREQUENCY (Hz)
50.0
R
R
R
50.1
IZ
IZ
IZ
= 549Ω, C
= 412Ω, C
= 270Ω, C
50.2
10M
10M
IZ
SH
SH
SH
and C
50.3
= 8.2pF
= 12pF
= 22pF
SH
50.4
50.5
100M
100M
Rev. G | Page 14 of 56
Figure 23. LNA Frequency Response, Single-Ended, for Various Values of R
Figure 24. Frequency Response for Unterminated LNA, Single-Ended
–10
–15
–10
–15
0Ω
20
15
10
–5
20
15
10
–5
5
0
100k
5
0
100k
V
R
R
R
IN
IZ
IN
IZ
–25j
0.1 MHz to 200 MHz for Various Values of R
25j
=
= 10mV p-p
Figure 22. Smith Chart, S11 vs. Frequency,
=
= 6kΩ,
∞
∞
R
R
IN
IZ
17Ω
= 412Ω
= 75Ω,
1M
1M
R
R
IN
IZ
= 549Ω
= 100Ω,
FREQUENCY (Hz)
FREQUENCY (Hz)
50j
–50j
R
R
R
IN
R
R
10M
10M
IN
IZ
R
IN
IZ
= 200Ω
IN
= 1.1kΩ
= 200Ω,
= 270Ω
= 50Ω,
R
= 500Ω
IN
= 1kΩ
R
IN
= 50Ω
R
f
IN
= 100kHz
100j
–100j
100M
100M
= 75Ω
IZ
R
IN
= 100Ω
500M
500M
IN