Datasheet

ADF4116/ADF4117/ADF4118
Rev. D | Page 11 of 28
FIRST REFERENCE SPUR (dBc)
–
60
–80
–90
–70
TEMPERATURE (°C)
0
20 40 60 80 100
V
DD
= 3V
V
P
= 5V
–100
00392-022
Figure 22. ADF4118 Reference Spurs vs. Temperature
(836 MHz, 30 kHz, 3 kHz)
0
DI
DD
(mA)
0
PRESCALER OUTPUT FREQUENCY (MHz)
50 100 150 200
0.5
1.0
1.5
2.0
2.5
3.0
00392-023
Figure 23. DI
DD
vs. Prescaler Output Frequency
V
CP
(V)
01.0
I
CP
(mA)
–1.2
–0.8
–1.0
0.5 1.5 2.0 2.5 3.0 3.5 4.5 5.0
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
1.2
V
P
= 5V
I
CP
SETTING: 1mA
4.0
00392-024
Figure 24. Charge Pump Output Characteristics