Datasheet

ADA4927-1/ADA4927-2
Rev. A | Page 11 of
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24
40
–50
–60
–70
–80
–90
–100
–110
–120
–130
1 10 100 1k
FREQUENCY (MHz)
HARMONIC DISTORTION (dBc)
574-019
–
40
–50
–60
–70
–80
–90
–100
–110
–120
–130
1 10 100 1k
FREQUENCY (MHz)
HARMONIC DISTORTION (dBc)
07574-022 07
V
OUT
,
dm
= 2V p-p
V
OUT
,
dm
= 2V p-p
HD2, R
L
= 1kΩ
HD3, R
L
= 1kΩ
HD2, R
L
= 200Ω
HD3, R
L
= 200Ω
HD2, G = 1
HD3, G = 1
HD2, G = 10
HD3, G = 10
HD2, G = 20
HD3, G = 20
Figure 19. Harmonic Distortion vs. Frequency at Various Loads
–
40
–50
–60
–70
–80
–90
–100
–110
HARMONIC DISTORTION (dBc)
Figure 22. Harmonic Distortion vs. Frequency at Various Gains
–
–120
–130
1 10 100 1k
574-020
FREQUENCY (MHz)
07
V
OUT
,
dm
= 2V p-p
HD2, V
S
= ±5V
HD3, V
S
= ±5V
HD2, V
S
= ±2.5V
HD3, V
S
= ±2.5V
Figure 20. Harmonic Distortion vs. Frequency at Various Supplies
–
20
–30
–40
–50
–60
–70
–80
–90
–100
HARMONIC DISTORTION (dBc)
30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0123456789
V
OUT
,
dm
(V p-p)
HARMONIC DISTORTION (dBc)
07574-023
V
OUT
,
dm
= 2V p-p
HD2, V
S
= ±5V
HD3, V
S
= ±5V
HD2, V
S
= ±2.5V
HD3, V
S
= ±2.5V
Figure 23. Harmonic Distortion vs. V
OUT, dm
and Supply Voltage, f = 10 MHz
–
40
–50
–60
–70
–80
–90
–100
–110
–120
–4 –3 –2 –1 0 1 2 3 4
HARMONIC DISTORTION (dBc)
574-024
–110
–120
–1.2 –1.0 –0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8 1.0 1.2
V
OCM
(V)
07574-021
V
OUT
,
dm
= 2V p-p
HD2, 10MHz
HD3, 10MHz
Figure 21. Harmonic Distortion vs. V
OCM
at 10 MHz, ±2.5 V Supplies
V
OUT
,
dm
= 2V p-p
HD2, 10MHz
HD3, 10MHz
V
OCM
(V)
07
Figure 24. Harmonic Distortion vs. V
OCM
at 10 MHz, ±5 V Supplies