October 2006
rev 1.6
AC Electrical Characteristics
Symbol
f
IN
P2781/82/84
Parameter
Input frequency: P278xA
P2781A
Min
3
3
6
12
-
-
-
±1 @ 3MHz
-20
Typ
-
-
-
-
1
1
±250
-
0
Max
78
78
156
312
-
-
-
±2 @ 82MHz
+20
Unit
MHz
f
OUT
Output frequency:
P2782A
P2784A
t
LH
t
HL
t
JC
t
D
∆F
P278xA
P278xA
P2781A
P2781A
P278xA
Output rise time (measured at 0.8 V to 2.0 V,
25pF scope probe loading)
Output fall time (measured at 2.0 V to 0.8 V,
25 pF scope probe loading)
Jitter (cycle to cycle, ± 6sigma, 1000 sweeps,
± 0.5% spread, I/O frequency = 16MHz)
Output duty cycle deviation (error from 50%
duty cycle, 25pF scope probe loading)
Frequency deviation tolerance from BW%
stated in the Loop Filter Selection Table
nS
nS
pS
%
%
General Purpose EMI Reduction IC
Notice: The information in this document is subject to change without notice.
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PULSECORE [ PulseCore Semiconductor ]
