XRT8010 データシートの表示（PDF） - Exar Corporation

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XRT8010

312MHZ CLOCK & CRYSTAL MULTIPLIER WITH LVDS OUTPUTS

Exar Corporation 

XRT8010

REV. 1.0.2

PARAMETER

Power on Calibration time

SYMBOL

Max Frequency Out

FOUT

Max Frequency Out

FOUT

Rise time

TR

Fall Time

TF

Duty cycle

Differential Output Skew

Output Loading

Output voltage Swing

Common Mode Voltage

VCM

Output short circuit current

Cycle-to-Cycle Jitter

Cycle-to-Cycle Jitter

Intinsic Jitter

Intinsic Jitter

Spectral Density of Phase

Noise L(f)

312MHZ CLOCK & CRYSTAL MULTIPLIER WITH LVDS OUTPUTS

MIN

TYP

MAX

UNIT

CONDITIONS

5

ms After VDD reaches 2.8V

NOTE: Calibration time = 16,000 clock

cycles

140

170

MHz 156 MHz nominal FOUT (see Table 1)

285

340

MHz 312 MHz nominal FOUT (see Table 1)

300

ps CL = 5pF, RL = 100Ω (20% − 80%)

300

ps CL = 5pF, RL = 100Ω (20% − 80%)

45

55

% LVDS output

10

ps See Figure 3

100

Ω

250

450

mV Differential (OUTP-OUTN)

1.2

V

-5.7

-8

mA Current limit to ground, VDD or Vp to Vn

3

ps rms, at 156 MHz, Input referred

3

ps rms, at 312 MHz, Input referred

16

ps rms, over 1,000 cycles, at 156 MHz

16

ps rms, over 1,000 cycles, at 312 MHz

PARAMETER

Single Side Band Phase Noise L(f)

COVERSION

320MHz @ 100Hz Offset

320MHz @ 1kHz Offset

320MHz @ 10kHz Offset

320MHz @ 100kHz Offset

320MHz @ 1MHz Offset

320MHz @ 10MHz Offset

TYPICAL

-77.75 dbc/Hz

-100.69 dbc/Hz

-95.38 dbc/Hz

-99.40 dbc/Hz

-105.05 dbc/Hz

-119.03 dbc/Hz

TABLE 1: CATEGORY II INTRINSIC JITTER PER TELCORDIA GR-253-CORE (AT 155MHZ)

JITTER BANDWIDTH

12kHz - 1.3MHz

JITTER (RMS)

5.74

JITTER (UIRMS)

0.0009

12kHz - 5MHz

7.89

0.0012

12kHz - 20MHz

8.99

0.0014

4

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