Datasheet

AD8432 Data Sheet
Rev. C | Page 10 of 32
0
2
4
6
8
10
12
14
16
18
20
0.01 0.1 1 10 100
OUTPUT VOLTAGE NOISE (nV/√Hz)
FREQUENCY (MHz)
08341-222
G = 24.08dB
G = 21.58dB
G = 18.06dB
G = 12.04dB
Figure 21. Output Voltage Noise vs. Frequency
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
1 10 100
IMD3 (dBc)
FREQUENCY (MHz)
LOW TONE
HIGH TONE
08341-223
Figure 22. IMD3 vs. Frequency
0
5
10
15
20
25
30
35
40
45
50
1 10 100
OIP3 (dBm)
G = 24.08dB
G = 12.04dB
FREQUENCY (MHz)
08341-224
Figure 23. Output Third-Order Intercept vs. Frequency
–110
–100
–90
–80
–70
–60
–50
–40
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
DISTORTION (dBc)
V
OUT
(V p-p)
HD2, 10MHz
HD2, 1MHz
HD3, 10MHz
HD3, 1MHz
MEASUREMENT
LIMIT
08341-225
Figure 24. Harmonic Distortion vs. Differential Output Voltage, G = 12.04 dB
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
–110
–100
–90
–80
–70
–60
–50
–40
DISTORTION (dBc)
V
OUT
(V p-p)
HD2, 10MHz
HD2, 1MHz
HD3, 10MHz
HD3, 1MHz
MEASUREMENT
LIMIT
08341-226
Figure 25. Harmonic Distortion vs. Differential Output Voltage, G = 24.08 dB
–90
–80
–70
–60
–50
0 5 10 15 20 25
DISTORTION (dBc)
C
L
(pF)
08341-227
HD2, 10MHz, 2V p-p
HD2, 10MHz, 1V p-p
HD3, 10MHz, 2V p-p
HD3, 10MHz, 1V p-p
Figure 26. Harmonic Distortion at 10 MHz vs. Capacitive Load (C
L
),
G = 12.04 dB