AD8331 Analog Devices, AD8331 Datasheet - Page 13
AD8331
Manufacturer Part Number
AD8331
Description
Ultralow Noise VGAs with Preamplifier and Programmable RIN
Manufacturer
Analog Devices
Datasheet
1.AD8331.pdf
(32 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD8331ARQZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
–1
–2
100
2
90
10
1
0
–40
0
200mV
Various Capacitive Loads, C
500mV
500mV
HILO = HI or LO, Top: Input, Bottom: Output Voltage
INPUT IS NOT TO SCALE
Figure 39. Large Signal Pulse Response, G = 30 dB,
20mV
–30
G = 30dB
Figure 40. Large Signal Pulse Response for
INPUT
Figure 41. Pin GAIN Transient Response,
–20
Top: V
–10
GAIN
0
, Bottom: Output Voltage
C
C
10
L
L
= 0pF
= 50pF
TIME (ns)
20
L
= 0 pF, 10 pF, 20 pF, 50 pF
30
40
50
10ns
400ns
60
70
80
Rev. C | Page 13 of 32
5
4
3
2
1
0
–1
–2
–3
–4
100
4
3
2
1
0
90
10
–10
0
0
Figure 44. LNA Overdrive Recovery, V
200mV
G = 40dB
1 V p-p Burst, V
0
Figure 43. Clamp Level Pulse Response
10
R
R
Figure 42. Clamp Level vs. R
CLMP
CLMP
10
= 48.1kΩ
= 7.15kΩ
HILO = HI
GAIN
20
= 0.27 V, VGA Output Shown
20
R
TIME (ns)
CLMP
HILO = LO
(k Ω )
R
R
30
CLMP
30
CLMP
AD8331/AD8332
= 2.67kΩ
INH
= 16.5kΩ
CLMP
40
0.05 V p-p to
100ns
40
50
50
60