vx-705 voltage controlled crystal oscillator previous vectron model vc-705/c5250 vectrons vx-705 voltage controlled crystal oscillator (vcxo) is a quartz stabilized square wave generator that can be ordered either with a cmos output or complementary lvpecl outputs. the vx-705 uses fundamental crystals resulting in low jitter performance and a mo nolithic ic which improves reliability and reduces cost. cmos or lvpecl output vcxo ? output frequencies from 77.76 mhz to 160 mhz ? 3.3 v operation ? fundamental crystal design with low jitter performance ? output disable feature ? excellent 20 ppm temperature stability, ? 0/70c, -20/70c or -40/85c operating temperature ? small industry standard package, 5.0x7.0x1.8mm ? product is free of lead and compliant to ec rohs directive ? features applications block diagram description vx-705 sonet/sdh/dwdm ? ethernet, synce, ge ? xdsl, pcmia ? digital video ? broadband access ? base stations, picocells ? v dd output v c gnd oscillator crystal e/d nc figure 1. block diagram page1 vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com rev: 5/12/2011
performance speci cations performance speci cations table 1. electrical performance - 3.3v cmos parameter symbol min typical maximum units supply voltage 1 v dd 3.135 3.3 3.465 v current 2 i dd 40 ma frequency nominal frequency 3 f n 77.76 160.00 mhz absolute pull range 2,6 , ordering option apr 50, 80 ppm linearity 2 lin 5 % gain transfer 2 k v +80 ppm/v temperature stability f stab 20 ppm outputs output logic levels 2 output logic high output logic low v oh v ol 0.9*v dd 0.1*v dd v load i out 15 pf rise time 2,4 t r 5ns fall time 2,4 t f 5ns symmetry 2 sym 45 50 55 % jitter, rms 5,7 (12khz to 20 mhz) j 80 200 fsec phase noise 8 (122.88 mhz) 10hz 100hz 1khz 10khz 100khz 1mhz 10mhz -66 -98 -124 -138 -151 -158 -161 dbc/hz control voltage control voltage range for pull range v c 0.3 3.0 v control voltage input impedance z in 100 k control voltage modulation bw bw 10 khz output enable/disable 9 output enabled output disabled v ih v il 0.9*v dd 0.1*v dd v start-up time t s 10 ms operating temp, ordering option t op 0/70, -20/70, -20/85, or -40/85 c package size 5.0 x 7.0 x 1.8 mm 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 as shown in figure 2. 2] see standard frequencies and ordering information tables for more speci c information 3] measured from 20% to 80% of a full output swing as shown in figure 4. 4] not tested in production, guaranteed by design, veri ed at quali cation. 5] tested with vc = 0.3v to 3.0v unless otherwise stated in part description 6] broadband period jitter measured using wavecrest sia3300c, 90k samples. 7] phase noise is measured with an agilent e5052a. 8] the output is enabled if the enable/disable is left open. 9] page2 vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com rev: 5/12/2011
table 2. electrical performance - 3.3v lvpecl parameter symbol min typical maximum units supply voltage 1 v dd 3.135 3.3 3.465 v current 2 i dd 90 ma frequency nominal frequency 3 f n 77.76 160.00 mhz absolute pull range 2,6 , ordering option apr 50, 80 ppm linearity 2 lin 5 % gain transfer 2 k v +80 ppm/v temperature stability f stab 20 ppm outputs output logic levels 2 output logic high output logic low v oh v ol v dd -1.025 v dd -1.810 v dd -0.950 v dd -1.700 v dd -0.880 v dd -1.620 v rise time 2,4 t r 1ns fall time 2,4 t f 1ns symmetry 2 sym 45 50 55 % jitter, rms 5,8 (12khz to 20 mhz) j 0.3 1 ps jitter, rms 5,8 (10khz to 1mhz) j 0.3 ps phase noise 8 10hz 100hz 1khz 10khz 100khz 1mhz 10mhz -60 -93 -118 -131 -145 -149 -151 dbc/hz control voltage control voltage range for pull range v c 0.3 3.0 v control voltage input impedance z in 10 m control voltage modulation bw bw 10 khz output enable/disable 9 output enabled, option a output disabled, option a v ih v il 0.9*v dd 0.1*v dd v start-up time t s 10 ms operating temp, ordering option t op 0/70, -20/70, -20/85, or -40/85 c package size 5.0 x 7.0 x 1.8 mm performance speci cations 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 as shown in figure 3. 2] see standard frequencies and ordering information tables for more speci c information 3] measured from 20% to 80% of a full output swing as shown in figure 4. 4] not tested in production, guaranteed by design, veri ed at quali cation. 5] tested with vc = 0v to 3.3v unless otherwise stated in part description 6] broadband period jitter measured using wavecrest sia3300c, 90k samples. 7] phase noise is measured with an agilent e5052a. 8] the output is enabled if the enable/disable is left open. 9] page3 vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com rev: 5/12/2011
table 3. absolute maximum ratings parameter symbol ratings unit power supply v dd 0 to 6 v voltage control range v c 0 to v cc 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 datasheet. exposure to absolute m aximum ratings for extended periods may adversely a ect device reliability. permanent damage is also possible if od or vc is applied before vcc. test circuits i dd v dd v c i c 15pf 6 13 4 .1f .01f + - + - figure 2. cmos test circuit waveform t r t f 0.8*vdd 0.2*vdd 50% on time period figure 3. lvpecl test circuit figure 4. output waveform page4 vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com rev: 5/12/2011
phase noise gain vx-705 @ 122.88 mhz -200 -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 figure 5. typical phase noise - 122.88 mhz cmos figure 6. typical gain - 122.88 mhz cmos page5 vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com rev: 5/12/2011
reliability vi quali cation includes aging at various extreme temperatures , shock and vibration, temperature cycling, and ir re ow simulation. the vx-705 family is capable of meeting the following quali cation tests: table 4. 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 5. esd ratings model minimum conditions human body model 500v mil-std-883, method 3015 charged device model 500v jesd22-c101 table 6. 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 amb-p 480 sec max although esd protection circuitry has been designed into the vx-705 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-705 device is hermetically sealed so an aqueous wash is not an issue. termination plating: electroless gold plate over nickel plate figure 7. recommended re ow pro le page6 vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com rev: 5/12/2011
outline drawing & pad layout table 7a. pin out - 3.3v cmos option pin symbol function 1 v c vcxo control voltage 2 e/d enable disable ** see ordering options** 3 gnd case and electrical ground 4 output output 5 n/c no connect 6 v dd power supply voltage tape & reel (eia-481-2-a) table 8. 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-705 16 5.5 1.5 4 8 178 1.78 13 20.6 55 12.4 22.4 500 pad layout dimensions in inches (mm) v x 7 0 5 y w w vx705 yww c c c - c c c c ccc-cccc x x x m x x x xxxmxxx 1 2 3 1 2 3 6 5 4 6 5 4 1 2 1 2 3 3 6 6 5 5 4 4 . 2 7 6 . 0 0 6 .276.006 [ 7 0 . 1 5 ] [70.15] . 1 9 7 . 0 0 6 .197.006 [ 5 0 . 1 5 ] [50.15] . 1 4 3 .143 [ 3 . 6 3 ] [3.63] . 1 0 0 .100 [ 2 . 5 4 ] [2.54] . 2 0 0 . 0 0 6 .200.006 [ 5 . 0 8 0 . 1 5 ] [5.080.15] . 0 5 0 .050 [ 1 . 2 7 ] [1.27] . 0 5 5 .055 [ 1 . 4 0 ] [1.40] . 0 8 2 .082 . 0 6 1 .061 [ 2 . 0 9 ] [2.09] [ 1 . 5 6 ] [1.56] . 0 7 9 .079 [ 2 . 0 1 ] [2.01] . 1 0 0 .100 [ 2 . 5 4 ] [2.54] . 2 0 0 .200 [ 5 . 0 8 ] [5.08] . 1 6 5 .165 [ 4 . 1 9 ] [4.19] . 0 7 1 .071 [ 1 . 8 0 ] [1.80] i n c h inch [ m m ] [mm] table 7b. pin out - 3.3v lvpecl option pin symbol function 1 v c vcxo control voltage 2 e/d enable disable **see ordering options** 3 gnd case and electrical ground 4 output output 5 coutput complementary output 6 v dd power supply voltage figure 8. outline drawing and pad layout figure 9. tape and reel drawing page7 vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com rev: 5/12/2011
table 9. standard output frequencies (mhz) 89.60000 93.31200 100.00000 122.88000 125.00000 127.79520 148.50000 155.52000 156.25000 page8 vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com rev: 5/12/2011 ordering information 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) 7268.8010 fax: +49 (0) 7268.801281 asia: vectron international 1589 century avenue, the 19th floor chamtime international financial center shanghai, china tel: 86.21.60812888 fax: 86.21.61633598 vx-705- e a t - k x a n- 122m880000 product vcxo, 5x7 package voltage options e: +3.3 vdc output a: cmos c: lvpecl stability x: standard e: 20 ppm temperature frequency in mhz *note: not all combination of options are available. other speci cations may be available upon request. temp range t: 0/70c i: -20/85c j: -20/70c e: -40/85c other (future use) n: standard absolute pull range k: 50 ppm p: 80 ppm enable/disable a: enable high, pin 2 x: disable, pin 2 (no connect internally) example: VX-705-EAT-KXAN-122m880000
page9 vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com rev: 5/12/2011 revision history date approved description 12may2011 bw ordering information updated. 22mar2011 bw added lvpecl ordering option and associated electrical/mechanical details. 17jan2011 bw updated typical phase noise values and plot. 02dec2010 bw corrected pin out to test circuit on page 3. 27aug2010 bw tape width dimension changed to 16mm. 06jan2010 bw added 20 ppm temperature stability ordering option to 13th product code eld. enable ordering option moved from 13th to 14th product code eld. -20/70 operating temperature ordering option added.
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