AD9515SLASHPCB datasheet(9/28 Pages) AD

9 / 28 page

AD9515

Rev. 0 | Page 9 of 28

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

CMOS OUTPUT ADDITIVE TIME JITTER

Delay off

CLK = 400 MHz

290

fs rms

Calculated from SNR of ADC method

CMOS (OUT1) = 100 MHz

Divide = 4

CLK = 400 MHz

315

fs rms

Calculated from SNR of ADC method

CMOS (OUT1) = 100 MHz

Divide = 4

LVPECL (OUT0) = 50 MHz

Interferer

DELAY BLOCK ADDITIVE TIME JITTER1

100 MHz output; incremental additive jitter

Delay FS = 1.5 ns Fine Adj. 00000

0.71

ps rms

Delay FS = 1.5 ns Fine Adj. 11111

1.2

ps rms

Delay FS = 5 ns Fine Adj. 00000

1.3

ps rms

Delay FS = 5 ns Fine Adj. 11111

2.7

ps rms

Delay FS = 10 ns Fine Adj. 00000

2.0

ps rms

Delay FS = 10 ns Fine Adj. 11111

2.8

ps rms

1 This value is incremental. That is, it is in addition to the jitter of the LVDS or CMOS output without the delay. To estimate the total jitter, the LVDS or CMOS output jitter

should be added to this value using the root sum of the squares (RSS) method.

SYNCB, VREF, AND SETUP PINS

Table 6.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

SYNCB

Logic High

2.7

Logic Low

0.40

Capacitance

VREF

Output Voltage

0.62 VS

0.76 VS

Minimum − maximum from 0 mA to 1 mA load

S0 TO S10

Levels

0.1 VS

1/3

0.2 VS

0.45 VS

2/3

0.55 VS

0.8 VS

0.9 VS

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