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AC Electrical Characteristics
22
February 20, 2009
IDT82V3155
ENHANCED T1/E1/OC3 WAN PLL WITH DUAL REFERENCE INPUTS
7
AC ELECTRICAL CHARACTERISTICS
7.1
PERFORMANCE
7.2
INTRINSIC JITTER UNFILTERED
Description
Min.
Typ.
Max.
Units
Test Conditions / Notes
(see “Notes” on page 28)
Freerun Mode accuracy with OSCi at: 0 ppm
-0
+0
ppm
5-9
Freerun Mode accuracy with OSCi at: ±32 ppm
-32
+32
ppm
5-9
Freerun Mode accuracy with OSCi at: ±100 ppm
-100
+100
ppm
5-9
Holdover Mode accuracy with OSCi at: 0 ppm
-0.025
+0.025
ppm
1, 2, 4, 6-9, 44, 45
Holdover Mode accuracy with OSCi at: ±32 ppm
-0.025
+0.025
ppm
1, 2, 4, 6-9, 44, 45
Holdover Mode accuracy with OSCi at: ±100 ppm
-0.025
+0.025
ppm
1, 2, 4, 6-9, 44, 45
Capture range with OSCi at: 0 ppm
-230
+230
ppm
1-3, 6-9
Capture range with OSCi at: ±32 ppm
-198
+198
ppm
1-3, 6-9
Capture range with OSCi at: ±100 ppm
-130
+130
ppm
1-3, 6-9
Phase lock time
50
s
1-3, 6-15, 46
Output phase continuity with reference switch
200
ns
1-3, 6-15
Output phase continuity with mode switch to Normal
200
ns
1-2, 4-15
Output phase continuity with mode switch to Freerun
200
ns
1-4, 6-15
Output phase continuity with mode switch to Holdover
50
ns
1-3, 6-15
Fref0 Frequency accuracy when MON_out0 is logic low
-12
+12
ppm
Fref1 Frequency accuracy when MON_out1 is logic low
-12
+12
ppm
MTIE (maximum time interval error)
600
ns
1-15, 28
Output phase slope
40
s/s
1-15, 28
Reference input for Auto-Holdover with 8 kHz
-18 k
+18 k
ppm
1-3, 6, 10-12
Reference input for Auto-Holdover with 1.544 MHz
-36 k
+36 k
ppm
1-3, 7, 10-12
Reference input for Auto-Holdover with 2.048 MHz
-36 k
+36 k
ppm
1-3, 8, 10-12
Reference input for Auto-Holdover with 19.44 MHz
-36 k
+36 k
ppm
1-3, 9, 10-12
Description
Min.
Typ.
Max.
Units
Test Conditions / Notes
(see “Notes” on page 28)
Intrinsic jitter at F8o (8 kHz)
0.0001
UIpp
1-15, 22-25, 29
Intrinsic jitter at F0o (8 kHz)
0.0001
UIpp
1-15, 22-25, 29
Intrinsic jitter at F16o (8 kHz)
0.0001
UIpp
1-15, 22-25, 29
Intrinsic jitter at C1.5o (1.544 MHz)
0.015
UIpp
1-15, 22-25, 30
Intrinsic jitter at C3o (3.088 MHz)
0.03
UIpp
1-15, 22-25
Intrinsic jitter at C2o (2.048 MHz)
0.01
UIpp
1-15, 22-25, 31
Intrinsic jitter at C6o (6.312 MHz)
0.06
UIpp
1-15, 22-25
Intrinsic jitter at C4o (4.096 MHz)
0.02
UIpp
1-15, 22-25, 33
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