Datasheet

Data Sheet AD8475
Rev. C | Page 13 of 24
20mV/DI
V
50ns/DIV
09432-032
Figure 35. VOCM Small Signal Step Response, V
S
= ±2.5 V
–
20
–140
–120
–100
–80
–60
–40
0.1 1 10
HARMONIC DISTORTION (dBc)
FREQUENCY (MHz)
HD2, G = 0.4
HD3, G = 0.4
HD2, G = 0.8
HD3, G = 0.8
09432-043
Figure 36. Harmonic Distortion vs. Frequency at Various Gains
–
20
–140
–120
–100
–80
–60
–40
0.1 1 10
HARMONIC DISTORTION (dBc)
FREQUENCY (MHz)
HD2, R
L
= 1kΩ
HD3, R
L
= 1kΩ
HD2, R
L
= 200Ω
HD3, R
L
= 200Ω
V
OUT
= 2V p-p
09432-040
Figure 37. Harmonic Distortion vs. Frequency at Various Loads
500mV/DI
V
500ns/DIV
09432-036
Figure 38. VOCM Large Signal Step Response
–
20
–140
–120
–100
–80
–60
–40
0.1 1 10
HARMONIC DISTORTION (dBc)
FREQUENCY (MHz)
HD2, V
S
= +5V
HD3, V
S
= +5V
HD2, V
S
= ±5V
HD3, V
S
= ±5V
V
OUT
= 2V p-p
09432-042
Figure 39. Harmonic Distortion vs. Frequency at Various Supplies
–
20
–140
–120
–100
–80
–60
–40
0.1 1 10
HARMONIC DISTORTION (dBc)
FREQUENCY (MHz)
HD2, V
OUT
= 2V p-p
HD3, V
OUT
= 2V p-p
HD2, V
OUT
= 4V p-p
HD3, V
OUT
= 4V p-p
09432-046
Figure 40. Harmonic Distortion vs. Frequency at Various V
OUT,dm