AD9577BCPZ-R7 datasheet(11/44 Pages) AD

11 / 44 page

Data Sheet

AD9577

Rev. 0 | Page 11 of 44

Parameter1

Min

Typ

Max

Unit

Test Conditions/Comments2

LVPECL PERIOD AND CYCLE-TO-CYCLE JITTER (100.12 MHz OUTPUT)

25 MHz crystal used, fractional-N

operation, Nb = 100, FRAC = 15,

MOD = 125, Vx = 5, Dx = 5

Output Peak-to-Peak Period Jitter

ps p-p

10,000 cycles, average of 25 measurements

Output RMS Period Jitter

ps rms

10,000 cycles, average of 25 measurements

Output Peak-to-Peak, Cycle-to-Cycle Jitter

ps p-p

1,000 cycles, average of 25 measurements

Output RMS Cycle-to-Cycle Jitter

ps rms

1,000 cycles, average of 25 measurements

LVDS PERIOD AND CYCLE-TO-CYCLE JITTER (100.12 MHz OUTPUT)

25 MHz crystal used, fractional-N

operation, Nb = 100, FRAC = 15,

MOD = 125, Vx = 5, Dx = 5

Output Peak-to-Peak Period Jitter

ps p-p

10,000 cycles, average of 25 measurements

Output RMS Period Jitter

ps rms

10,000 cycles, average of 25 measurements

Output Peak-to-Peak, Cycle-to-Cycle Jitter

ps p-p

1,000 cycles, average of 25 measurements

Output RMS Cycle-to-Cycle Jitter

ps rms

1,000 cycles, average of 25 measurements

CMOS PERIOD AND CYCLE-TO-CYCLE JITTER (100.12 MHz OUTPUT)

25 MHz crystal used, 50 Ω load,

fractional-N operation, Nb = 100,

FRAC = 15, MOD = 125, Vx = 5, Dx = 5

Output Peak-to-Peak Period Jitter

ps p-p

10,000 cycles, average of 25 measurements

Output RMS Period Jitter

ps rms

10,000 cycles, average of 25 measurements

Output Peak-to-Peak, Cycle-to-Cycle Jitter

ps p-p

1,000 cycles, average of 25 measurements

Output RMS Cycle-to-Cycle Jitter

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 2 or 3 for any given test condition.

CMOS REFERENCE CLOCK OUTPUT JITTER

Table 6.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

JITTER INTEGRATION BANDWIDTH

Jitter measurement at 25 MHz is equipment limited

12 kHz to 5 MHz

680

1000

fs rms

25 MHz

200 kHz to 5 MHz

670

950

fs rms

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