Datasheet

ADA4940-1/ADA4940-2 Data Sheet
Rev. C | Page 14 of 32
–
20
–130
0.01
0.1
110
HARMONIC DISTORTION (dBc)
FREQUENCY (MHz)
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
V
OUT, dm
= 2V p-p
HD3, G = 2
HD3, G = 1
HD2, G = 1
08452-023
HD2, G = 2
Figure 25. Harmonic Distortion vs. Frequency for Various Gains (LFCSP)
–
20
–130
0.01
0.1
110
HARMONIC DISTORTION (dBc)
FREQUENCY (MHz)
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
V
OUT, dm
= 2V p-p
HD3, R
L
= 200
HD3, R
L
= 1k
HD2, R
L
= 1k
HD2, R
L
= 200
08452-020
Figure 26. Harmonic Distortion vs. Frequency for Various Loads (LFCSP)
–
20
–130
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
08452-024
0.01 0.1 1 10
HARMONIC DISTORTION (dBc)
FREQUENCY (MHz)
V
OUT, dm
= 2V p-p
HD2, V
S
= ±1.5V
HD3, V
S
= ±3.5V
HD3, V
S
= ±2.5V
HD2, V
S
= ±2.5V
HD3, V
S
= ±1.5V
HD2, V
S
= ±3.5V
Figure 27. Harmonic Distortion vs. Frequency for Various Supplies (LFCSP)
–
20
–130
0.01
0.1
110
HARMONIC DISTORTION (dBc)
FREQUENCY (MHz)
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
08452-200
HD2, G = 1
HD3, G = 1
HD2, G = 2
HD3, G = 2
V
OUT, dm
= 2V p-p
Figure 28. Harmonic Distortion vs. Frequency vs. Gain (SOIC)
–
20
–130
0.01
0.1
110
HARMONIC DISTORTION (dBc)
FREQUENCY (MHz)
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
08452-201
HD2, R
L
= 1k
HD3, R
L
= 1k
HD2, R
L
= 200
HD3, R
L
= 200
V
OUT, dm
= 2V p-p
Figure 29. Harmonic Distortion vs. Frequency for Various Loads (SOIC)
–
20
–130
0.01
0.1
110
HARMONIC DISTORTION (dBc)
FREQUENCY (MHz)
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
08452-202
HD2, ±2.5V
HD3, ±2.5V
HD2, ±1.5V
HD3, ±1.5V
V
OUT, dm
= 2V p-p
Figure 30. Harmonic Distortion vs. Frequency for Various Supplies (SOIC)