vx-703 data sheet voltage controlled crystal oscillator previous vectron model v-type vectrons vx-703 voltage controlled crystal oscillator (vcxo) is a quartz stabilized square wave generator with a cmos output. the vx-703 uses fundamental crystals resulting in low jitter performance and a monolithic ic which improves reliability and reduces cost. cmos output vcxo ? output frequencies from 1.544 mhz to 77.760 mhz ? 5.0 or 3.3 v operation ? fundamental crystal design with low jitter performance ? output disable feature ? excellent 20 ppm temperature stability, ? 0/70c or -40/85c operating temperature ? small industry standard package, 5.0x7.0x1.8mm ? product is compliant to rohs directive and fully ? compatible with lead free assembly features applications block diagram description vx-703 sonet/sdh/dwdm ? ethernet, synche ? xdsl, pcmia ? digital video ? broadband access ? base stations, picocells ? vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com v dd output v c gnd oscillator crystal e/d or nc e/d or nc page1 rev: 5/19/2011
performance speci cations vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com table 1. electrical performance parameter symbol min typical maximum units supply voltage 1 , 5v option 3.3v option v dd 4.750 3.135 5.0 3.3 5.250 3.465 v current 2 , 5v option 3.3v option i dd 55 40 ma frequency nominal frequency 3 f n 1.544 77.760 mhz pull range 2,6 , ordering option apr 50, 80, 100 ppm linearity 2 lin 5 10 % gain transfer 2 k v positive, +65 ppm/v frequency stabilities 5 vs. operating temp. ordering option 50 ppm vs. initial accuracy @ vc = 1.65v 50 ppm vs. supply voltage 3 ppm vs. load change 1 ppm vs. aging / 1 year 2 ppm vs. aging / (following years) 1 ppm outputs output logic levels 2 output logic high output logic low 0.9*v dd 0.1*v dd v load i out 15 pf rise time, fall time 2,4 t r , t f 5ns symmetry 2 sym 45 50 55 % integrated jitter 5,7 , 12khz-20mhz (61.44 mhz) j 90 fs phase noise 7,9 (61.44 mhz) 10hz 100hz 1khz 10khz 100khz 1mhz 10mhz -63 -97 -129 -144 -157 -159 -164 dbc/hz enable/disable output enabled (en = h) v ih 0.7*v dd v output disabled v il 0.3*v dd v control voltage control voltage range for pull range v c 0.5 0.3 4.5 3.0 v control voltage input impedance control voltage leakage z in 5 1 m ua control voltage modulation bw bw 10 khz operating temp, ordering option 0/70 or -40/85 c the power supply should have by-pass capacitors as close to the supply and to ground as possible, for examples 0.1 and 0.01uf. 1] parameters are tested with production test circuit below (fig 1). 2] see standard frequencies and ordering information tables for more speci c information. 3] measured from 20% to 80% of a full output swing (fig 2). 4] not tested in production unless otherwise stated in part description. guaranteed by design and veri ed at quali cation. 5] tested with vc = 0.3v to 3.0v unless otherwise stated in part description. 6] measured using agilent e5052. 7] the output is enabled if the enable/disable is left open. 8] typical phase noise for the vx-7031package option which is recommended for best phase noise performance. 9] performance speci cations page2 rev: 5/19/2011
table 2. absolute maximum ratings parameter symbol ratings unit power supply v dd 0 to 6 v voltage control range v c 0 to v dd v storage temperature ts -55 to 125 c soldering temp/time t ls 260 / 20 c / sec stresses in excess of the absolute maximum ratings can permanently damage the device. functional operation is not implied at t hese or any other conditions in excess of conditions represented in the operational sections of this data sheet. exposure to absolute maximum ratings for extended periods may adversely a ect device reliability. permanent damage is also possible if od or vc is applied before vcc. typical phase noise typical gain i dd v dd v c i c 15pf 4 12 3 .1f .01f + - + - fig 1: test circuit t r t f 0.8*vdd 0.2*vdd 50% on time period fig 2: waveform vx-703 @ 61.44 mhz -150 -100 -50 0 50 100 150 0 0.5 1 1.5 2 2.5 3 vc (volts) pull (ppm) 0 20 40 60 80 100 120 gain (ppm/v) pull gain test circuit waveform page3 rev: 5/19/2011 vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com
reliability vi quali cation includes aging at various extreme temperatures , shock and vibration, temperature cycling, and ir re ow simulation. the vx-703 family is capable of meeting the following quali cation tests: table 3. environmental compliance parameter conditions mechanical shock mil-std-883, method 2002 mechanical vibration mil-std-883, method 2007 solderability mil-std-883, method 2003 gross and fine leak mil-std-883, method 1014 resistance to solvents mil-std-883, method 2015 moisture sensitivity level msl 1 contact pads gold over nickel handling precautions table 4. esd ratings model minimum conditions human body model 500v mil-std-883, method 3015 charged device model 500v jesd22-c101 table 5. re ow pro le parameter symbol value preheat time ts-min ts-max t s 60 sec min, 180 sec max 150c 200c ramp up r up 3 c/sec max time above 217 c t l 60 sec min, 150 sec max time to peak temperature t 25c to peak 480 sec max time at 260 c t p 20 sec min, 40 sec max ramp down r dn 6 c/sec max although esd protection circuitry has been designed into the vx-703 proper precautions should be taken when handling and mounting. vi employs a human body model (hbm) and a charged device model (cdm) for esd susceptibility testing and design protection evaluation. the device is quali ed to meet the jedec standard for pb-free assembly. the temperatures and time intervals listed are based on the pb-free small body requirements. the vx-703 device is hermetically sealed so an aqueous wash is not an issue. termination plating: electroless gold plate over nickel plate page4 rev: 5/19/2011 vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com
outline drawing - package vx-7030 outline drawing - package vx-7031 pin symbol function 1 v c vcxo control voltage 2 e/d enable disable or nc 3 gnd case and electrical ground 4 output output 5 e/d enable disable or nc 6 v dd power supply voltage tape & reel (eia-481-2-a) table 7. tape and reel information tape dimensions (mm) reel dimensions (mm) dimension w f do po p1 a b c d n w1 w2 # per reel tolerance typ typ typ typ typ typ min typ min min typ max vx-703 16 7.5 1.55 4 8 178 1.78 13 20.6 55 12.4 22.4 500 v x 7 0 3 0 y w w vx7030 yww c c c - c c c c ccc-cccc x x m x x x x xxmxxxx table 6. pin out pad layout v x 7 0 3 1 y w w vx7031 yww c c c - c c c c ccc-cccc x x m x x x x xxmxxxx dimensions shown in mm. y w w = d a t e c o d e yww = date code c c c - c c c c = o r d e r i n g c o d e ccc-cccc = order ing code x x x m x x x = f r e q u e n c y xxxmxxx = frequency page5 rev: 5/19/2011 vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com
example: vx-7031-eae-kefb-51m8400000 table 8. standard output frequencies (mhz) 1.54400000 2.04800000 4.09600000 6.17600000 8.19200000 10.0000000 12.0000000 12.2880000 12.3520000 13.0000000 14.3180000 15.4400000 16.0000000 16.3840000 18.0000000 18.4320000 19.2000000 19.4400000 19.5159400 20.0000000 20.4800000 24.5760000 24.7040000 25.0000000 27.0000000 30.0000000 32.0000000 32.7680000 33.3330000 33.5544000 34.3680000 35.3280000 38.8800000 39.3216000 40.0000000 40.9600000 42.6600000 44.7360000 48.8960000 50.0000000 50.6880000 51.8400000 52.0000000 54.0000000 57.1429000 61.4400000 62.2080000 65.5360000 77.7600000 page6 rev: 5/19/2011 ordering information vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com disclaimer vectron international reserves the right to make changes to the product(s) and or information contained herein without notice. no liability is assumed as a result of their use or application. no rights under any patent accompany the sale of any such product(s) or information. for additional information, please contact usa: vectron international 267 lowell road hudson, nh 03051 tel: 1.888.328.7661 fax: 1.888.329.8328 europe: vectron international landstrasse, d-74924 neckarbischofsheim, germany tel: +49 (0) 3328.4784.17 fax: +49 (0) 3328.4784.30 asia: vectron international 1f-2f, no 8 workshop, no 308 fenju road waigaoqiao free trade zone pudong, shanghai, china 200131 tel: 86.21.5048.0777 fax: 86.21.5048.1881 vx-703 1- e a t - k e a a - 39m3216000 product vcxo voltage options d: +5 vdc e: +3.3 vdc output a: cmos initial accuracy * k: 50 ppm (standard) f: 25 ppm e: 20 ppm frequency in mhz *note: not all combination of options are available. other speci cations may be available upon request. 1. for 100ppm apr, 7031 package required. temp range t: 0/+70c u: 0/+85c i: -20/+85c e: -40/+85c pull range k: 50ppm apr (standard) p: 80ppm apr s: 100ppm apr 1 temperature stability * k: 50 ppm (standard) f: 25 ppm e: 20 ppm enable/disable pin and logic a: pin 2, en=h (standard) b: pin 5 , en=h x: pins 2/5 no connect package 0: 5.0x7.5x2.0mm 1: 5.0x7.0x1.8mm (standard)
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