AD8331ARQZ Analog Devices Inc, AD8331ARQZ Datasheet - Page 18
![IC VGA SINGLE W/PREAMP 20-QSOP](/photos/7/2/70250/rq-20_sml.jpg)
AD8331ARQZ
Manufacturer Part Number
AD8331ARQZ
Description
IC VGA SINGLE W/PREAMP 20-QSOP
Manufacturer
Analog Devices Inc
Series
X-AMP®r
Type
Variable Gain Amplifierr
Datasheet
1.AD8331ARQZ.pdf
(56 pages)
Specifications of AD8331ARQZ
Design Resources
Interfacing the High Frequency AD8331 to AD9215 (CN0096)
Applications
Signal Processing
Mounting Type
Surface Mount
Package / Case
20-QSOP
No. Of Amplifiers
2
Bandwidth
120MHz
Gain Accuracy
2dB
No. Of Channels
1
Supply Voltage Range
4.5V To 5.5V
Amplifier Case Style
QSOP
No. Of Pins
20
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AD8331-EVALZ - BOARD EVAL FOR AD8331
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD8331ARQZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
AD8331/AD8332/AD8334
Figure 44. Large Signal Pulse Response for Various Capacitive Loads,
100
90
10
0
–1
–2
2
1
0
–50
500mV
500mV
200mV
HILO = HI or LO, Top: Input, Bottom: Output Voltage
20mV
Figure 43. Large Signal Pulse Response, G = 30 dB,
G = 30dB
INPUT IS NOT TO SCALE
–40
Figure 45. Pin GAIN Transient Response,
INPUT
Top: V
–30
C
L
= 0 pF, 10 pF, 20 pF, 50 pF
GAIN
–20
, Bottom: Output Voltage
–10
TIME (ns)
0
10
20
400ns
10ns
30
C
C
C
C
L
L
L
L
= 0pF
= 10pF
= 22pF
= 47pF
40
50
Rev. G | Page 18 of 56
Figure 48. LNA Overdrive Recovery, V
Figure 47. Clamp Level Pulse Response for Four Values of R
100
90
10
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–1
–2
–3
–4
0
4
3
2
1
0
–30
0
200mV
G = 40dB
INPUT
–20
5
–10
V
Figure 46. Clamp Level vs. R
10
GAIN
= 0.27 V VGA Output Shown
0
15
HILO = HI
R
10
CLMP
R
20
CLMP
R
R
CLMP
TIME (ns)
CLMP
= 7.15kΩ
20
R
CLMP
25
= 48.1kΩ
= 2.67kΩ
INH
HILO = LO
(kΩ)
30
= 16.5kΩ
0.05 V p-p to 1 V p-p Burst,
30
40
CLMP
35
50
100ns
40
60
45
70
CLMP
5
80
0