AD8332 AD [Analog Devices], AD8332 Datasheet - Page 11

• Manufacturer Part Number: AD8332
• Description: Ultralow Noise VGAs with Preamplifier and Programmable RIN
• Manufacturer: AD [Analog Devices]

–100
–20
–30
–10
–40
–50
–60
–70
–80
–90
50
45
40
35
30
25
20
15
10
30
25
20
15
10
5
0
5
0
10
0
1M
0
HILO = LO, R
f = 10MHz, R
G = 30dB
V
OUT
0.1
HILO = LO, R
HILO = HI,
HD2
f = 10MHz, R
Figure 29. Harmonic Distortion vs. Frequency
15
= 1V
HILO = LO,
HD2
HILO = HI, R
0.2
HILO = LO, R
20
P-P
Figure 28. Noise Figure vs. Gain
Figure 27. Noise Figure vs. V
FB
S
0.3
= 50Ω
S
= ∞
FB
25
= 50Ω
= ∞
FB
0.4
HILO = HI, R
FREQUENCY (Hz)
HILO = HI, R
= ∞
30
IN
GAIN (dB)
= 50Ω
0.5
V
HILO = HI, R
GAIN
10M
35
0.6
HILO = LO, R
(V)
IN
IN
40
= 50Ω
= 50Ω
0.7
HILO = LO,
HD3
FB
GAIN
45
= ∞
0.8
HILO = HI,
HD3
IN
= 50Ω
50
0.9
1.0
55
100M
1.1
60
Rev. C | Page 11 of 32
–100
–100
–100
Figure 32. Harmonic Distortion vs. Differential Output Voltage
–30
–40
–50
–60
–70
–80
–90
–40
–50
–60
–70
–80
–90
–40
–50
–60
–70
–80
–90
0
0
0
f = 10MHz
GAIN = 30 dB
f = 10MHz
V
f = 10MHz
V
HILO = HI,
HD2
OUT
200
OUT
Figure 30. Harmonic Distortion vs. R
Figure 31. Harmonic Distortion vs. C
= 1V p-p
= 1V p-p
400
10
HILO = LO,
HD3
HILO = LO,
HD3
HILO = HI,
HD3
1
600
HILO = LO,
HD3
800
20
V
R
C
OUT
LOAD
LOAD
HILO = LO,
HD2
1.0k
2
(V p-p)
(Ω)
(pF)
HILO = HI,
HD2
HILO = HI,
HD3
1.2k
30
HILO = HI,
HD2
AD8331/AD8332
HILO = LO,
HD2
1.4k
HILO = HI,
HD3
3
LOAD
LOAD
1.6k
40
HILO = LO,
HD2
1.8k
2.0k
50
4