Analog Devices AD9854

AD9854
Rev. E | Page 15 of 52
RISE TIME
1.04ns
500ps/DIV 232mV/DIV 50
Ω INPUT
JITTER
[10.6ps RMS]
–33ps 0ps +33ps
0
0636-022
Figure 22. Typical Comparator Output Jitter, 40 MHz A
OUT
,
300 MHz RFCLK with REFCLK Multiplier Bypassed
CH1 500mVΩ M 500ps CH1 980mV
REF1 RISE
1.174ns
C1 FALL
1.286ns
00636-023
Figure 23. Comparator Rise/Fall Times
FREQUENCY (MHz)
1200
0
AMPLITUDE (mV p-p)
1000
800
600
400
200
0
100 200 300 400 500
MINIMUM COMPARATOR
INPUT DRIVE
V
CM
=0.5V
00636-024
Figure 24. Comparator Toggle Voltage Requirement