Data Sheet
AD9577
PLL1 CLOCK OUTPUT JITTER
Table 2.
Parameter1
Min Typ Max Unit
Test Conditions/Comments2
LVPECL INTEGRATED RANDOM PHASE JITTER
RMS Jitter (625 MHz Output)
25 MHz crystal used
460 750
430 650
460 750
460 750
fs rms 12 kHz to 20 MHz, Na = 100, Vx = 2, Dx = 2
fs rms 50 kHz to 80 MHz, Na = 100, Vx = 2, Dx = 2
fs rms 12 kHz to 20 MHz, Na = 100, Vx = 4, Dx = 4
fs rms 12 kHz to 20 MHz, Na = 102, Vx = 4, Dx = 6
25 MHz crystal used
fs rms 12 kHz to 20 MHz, Na = 100, Vx = 2, Dx = 2
fs rms 50 kHz to 80 MHz, Na = 100, Vx = 2, Dx = 2
fs rms 12 kHz to 20 MHz, Na = 100, Vx = 4, Dx = 4
fs rms 12 kHz to 20 MHz, Na = 102, Vx = 4, Dx = 6
25 MHz crystal used, 50 Ω load
RMS Jitter (156.25 MHz Output)
RMS Jitter (106.25 MHz Output)
LVDS INTEGRATED RANDOM PHASE JITTER
RMS Jitter (625 MHz Output)
470 820
450 790
470 790
470 790
RMS Jitter (156.25 MHz Output)
RMS Jitter (106.25 MHz Output)
CMOS INTEGRATED RANDOM PHASE JITTER
RMS Jitter (100 MHz Output)
RMS Jitter (33.3 MHz Output)
470 920
420 700
fS rms
fS rms
12 kHz to 20 MHz, Na = 96, Vx = 4, Dx = 6
12 kHz to 5 MHz, Na = 88, Vx = 6, Dx = 11
19.44 MHz crystal used
LVPECL INTEGRATED RANDOM PHASE JITTER
RMS Jitter (622.08 MHz Output)
500 680
460 590
480 680
fs rms 12 kHz to 20 MHz, Na = 128, Vx = 2, Dx = 2
fs rms 50 kHz to 80 MHz, Na = 128, Vx = 2, Dx = 2
fs rms 12 kHz to 20 MHz, Na = 112, Vx = 2, Dx = 7
19.44 MHz crystal used
fs rms 12 kHz to 20 MHz, Na = 128, Vx = 2, Dx = 2
fs rms 50 kHz to 80 MHz, Na = 128, Vx = 2, Dx = 2
fs rms 12 kHz to 20 MHz, Na = 112, Vx = 2, Dx = 7
19.44 MHz crystal used, 50 Ω load
fs rms 12 kHz to 20 MHz, Na = 112, Vx = 2, Dx = 7
fs rms 12 kHz to 5 MHz, Na = 112, Vx = 2, Dx = 28
25 MHz crystal used, Na = 96, Vx = 4, Dx = 6
ps p-p 10,000 cycles, average of 25 measurements
ps rms 10,000 cycles, average of 25 measurements
ps p-p 1,000 cycles, average of 25 measurements
ps rms 1,000 cycles, average of 25 measurements
25 MHz crystal used, Na = 96, Vx = 4, Dx = 6
RMS Jitter (155.52 MHz Output)
LVDS INTEGRATED RANDOM PHASE JITTER
RMS Jitter (622.08 MHz Output)
520 780
480 710
480 750
RMS Jitter (155.52 MHz Output)
CMOS INTEGRATED RANDOM PHASE JITTER
RMS Jitter (155.52 MHz Output)
RMS Jitter (38.88 MHz Output)
470 700
440 650
LVPECL PERIOD AND CYCLE-TO-CYCLE JITTER (100 MHz OUTPUT)
Output Peak-to-Peak Period Jitter
Output RMS Period Jitter
Output Peak-to-Peak, Cycle-to-Cycle Jitter
Output RMS Cycle-to-Cycle Jitter
13
2
19
3
LVDS PERIOD AND CYCLE-TO-CYCLE JITTER (100 MHz OUTPUT)
Output Peak-to-Peak Period Jitter
Output RMS Period Jitter
Output Peak-to-Peak, Cycle-to-Cycle Jitter
Output RMS Cycle-to-Cycle Jitter
17
2
25
4
ps p-p 10,000 cycles, average of 25 measurements
ps rms 10,000 cycles, average of 25 measurements
ps p-p 1,000 cycles, average of 25 measurements
ps rms 1,000 cycles, average of 25 measurements
CMOS PERIOD AND CYCLE-TO-CYCLE JITTER (100 MHz OUTPUT)
25 MHz crystal used, 50 Ω load, Na = 96,
Vx = 4, Dx = 6
Output Peak-to-Peak Period Jitter
Output RMS Period Jitter
Output Peak-to-Peak Cycle-to-Cycle Jitter
Output RMS Cycle-to-Cycle Jitter
25
3
36
6
ps p-p 10,000 cycles, average of 25 measurements
ps rms 10,000 cycles, average of 25 measurements
ps p-p 1,000 cycles, average of 25 measurements
ps rms 1,000 cycles, average of 25 measurements
1 All period and cycle-to-cycle jitter measurements are made with a Tektronix DPO70604 oscilloscope.
2 x indicates either 0 or 1 for any given test condition.
Rev. 0 | Page 5 of 44
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