Datasheet

ADA4939-1/ADA4939-2
Rev. 0 | Page 11 of 24
–
60
–110
–105
–100
–95
–90
–85
–80
–75
–70
–65
1 10 100
HARMONIC DISTORTION (dBc)
FREQUENCY (MHz)
HD2, V
S
(SPLIT SUPPLY) = ±2.5V
HD3, V
S
(SPLIT SUPPLY) = ±2.5V
HD2, V
S
(SPLIT SUPPLY) = ±1.65V
HD3, V
S
(SPLIT SUPPLY) = ±1.65V
V
OUT, dm
= 2V p-p
07429-062
Figure 19. Harmonic Distortion vs. Frequency at Various Supplies
–
40
–120
–110
–100
–90
–80
–70
–60
–50
1.0 4.03.83.63.43.23.02.82.62.42.22.01.81.61.41.2
DISTORTION (dBc)
V
OCM
(V)
HD2, f = 10MHz
HD3, f = 10MHz
HD2, f = 70MHz
HD3, f = 70MHz
V
OUT, dm
= 2V p-p
07429-025
Figure 20. Harmonic Distortion vs. V
OCM
at Various Frequencies
–
40
–130
–120
–110
–100
–90
–80
–70
–60
–50
1.21.41.61.82
DISTORTION (dBc)
V
OCM
(V)
.0
HD2, f = 10MHz
HD3, f = 10MHz
HD2, f = 70MHz
HD3, f = 70MHz
V
OUT, dm
= 2V p-p
07429-026
Figure 21. Harmonic Distortion vs. V
OCM
at Various Frequencies
–
40
–130
–120
–110
–100
–90
–80
–70
–60
–50
07654321
DISTORTION (dBc)
V
OUT, dm
(V p-p)
HD2, V
S
= 5.0
HD3, V
S
= 5.0
HD2, V
S
= 3.3
HD3, V
S
= 3.3
07429-024
Figure 22. Harmonic Distortion vs. V
OUT, dm
and Supply Voltage, f = 10 MHz
10
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
69.5 70.570.470.370.270.170.069.969.869.769.6
NORMALIZED SPECTRUM (dBc)
FREQUENCY (MHz)
V
OUT, dm
= 2V p-p
V
S
= ±2.5V
07429-028
Figure 23. 70 MHz Intermodulation Distortion
–
30
–35
–40
–45
–50
–55
–60
–65
–70
110100
CMRR (dB)
FREQUENCY (MHz)
1k
R
L, dm
= 200Ω
07429-029
Figure 24. CMRR vs. Frequency