75 south street, hopkinton, ma 01748 ? 800 - 982 - 5737 ? 508 - 435 - 6831 ? fax 508 - 4 35 - 5289 ? www.valpeyfisher.com ? rev b10 06 1 vf ja 1 0 0 jitter attenuator to 1ghz 25.4 x 22 mm smd, pecl/lvpecl features ? 1.0 ghz output frequency range ? ultra low jitter: <0.2 00 ps ? meets oc - 192 jitter transfer, generation, and tolerance ? low power: <220mw typical ? low profile smd package electrical specifications description the vfja100 is a jitter attenuator capable of providing an output frequency up to 1 ghz. an internal synthesizer locks to the input reference clock and multiplies it up to the desired output frequency. the output frequen cy is determined by a vcxo designed for a wide pull range. an internal voltage regulator offers improved stability and noise performance. the output is configured as a differential lvpecl signal and requires external termination resistors. the vfja100 is available in a 25.4mm x 22 mm surface mount package. parameter symbol condition min typ max unit note input frequency f ref 0.008 10 0 mhz output frequency fout 50 1000 mhz operating temperature range t 0 - 40 70 +85 c order code b orde r code g output signal pecl / lvpecl supply voltage vcc 4.75 3.15 5.00 3.30 5.25 3.45 v order code d order code e jitter 12khz to 20mhz 0. 2 0. 8 ps ssb phase noise 100hz 1khz 10khz 100khz - 90 - 118 - 142 - 145 dbc/hz @ 622.08mhz applications ? sonet / sdh / atm ? 10 gigabit ethernet ? forward error correction (fec) rohs status
75 south street, hopkinton, ma 01748 ? 800 - 982 - 5737 ? 508 - 435 - 6831 ? fax 508 - 4 35 - 5289 ? www.valpeyfisher.com ? rev b10 06 2 vf ja 1 0 0 jitter attenuator to 1ghz 25.4 x 22 mm smd, pecl/lvpecl electrical specifications paramete r symbol condition min typ max unit note supply current icc 50 ohm load 62 75 ma load 50 ohm to vcc - 2v or t hevenin equivalent duty cycle @ 50% 45 50 55 % logic ?1? level voh vcc - 0.96 vcc - 0.81 v logic ?0? level vol vcc - 1.85 vcc - 1.65 v lock r ange 5 0 100 ppm input level ac coupled internally 0.4 3.3 v p - p enable / disable function input high (>2.5v): disabled input low (<0.5v) or floating: active lvcmos enable / disable time te/td 100 ns parameter symbol condition min typ max unit note supply voltage vcc - 0.5 +5.5 v storage temperature ts - 55 +105 c how to orde r absolute maximum ratings vf ja 100 in put frequency xxx.xxxx mhz supply voltage c ode specification d 5 v 5% e 3.3 v 5% out put frequency, x xxx.xxxx mhz temperature range code specification b 0 c to +70 c g - 40 c to +85 c
75 south street, hopkinton, ma 01748 ? 800 - 982 - 5737 ? 508 - 435 - 6831 ? fax 508 - 4 35 - 5289 ? www.valpeyfisher.com ? rev b10 06 3 vf ja 1 0 0 jitter attenuator to 1ghz 25.4 x 22 mm smd, pecl/lvpecl parameter specification mechanical shock per mil - std - 202, method 213, condition e thermal shock per mil - std - 883, method 1011, condit ion a vibration per mil - std - 883, method 2007, condition a soldering conditions 2 6 0 c for 1 0s max hermetic seal leak rate less than 5x10 - 8 atm.cc/s of helium (crystal only) 3 4 5 2 1 6 7 reference clock input c1 .01 uf vcc gnd r1 180 ? fout nfout r2 180 ? disable nc environmental and mechanical connection diagram mechanical outline pin # connection 1 vref 2 n/c 3 vcc 4 disable 5 fout 6 nfout 7 gnd
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