product data sheet vc-490/495 vo ltage controlled crystal oscillator features ? small smd hff vcxo ? 50.0mhz to 170mhz ? 3.3v supply voltage ? -20 to +70? / -40 to 85? ? lvpecl / hcmos / lvds output ? complementary outputs available applications: ?gigabit ethernet ? 10g and 40g systems ? basestations ? sdh/sonet/atm ? point to point / multipoint ? wdm systems ? test & measurement equipment description: a vailable at frequencies up to 170mhz, the vc- 490/495 vcxo s combine vi s unique precision hff- crystal-technology with a low noise discrete circuit pro- viding exceptional low jitter performance compared to standard asic-solutions. the unit is packaged as an fr-4 based smd device measuring 13.8 x 9.1 x 5.5mm with a supply voltage of 3.3vdc. temperature ranges are -20 to +70? and -40 to +85? with tight temperature stability. the oscillators also have a pulling range of more than 100 ppm with linearity of < 10% for enhanced pll performance. output options available include lvhcmos, comple- mentary lvpecl and complementary lvds. the vc-490 ? small size and high performance make it ideally suited for communication applications including atm/sonet/sdh and gigabit ethernet appli- cations.
vc-490/495 voltage controlled crystal oscillator performance characteristics electrical performance v ectron international 166 glover avenue, norwalk, ct 06856 tel: 1-88-vectron-1 www.vectron.com 2 frequency: fn 50.0 170.0 mhz supply voltage: v cc 3.135 3.3 3.465 v output option a lvhcmos option f: complementary lvpecl option p: complementary lvds output option a lvhcmos: i cc 20.0 40.0 ma option f compl. lvpecl: i cc 50.0 70.0 ma option p compl. lvds: i cc 15.0 40.0 ma output load option a: 1 kohm // 15pf option f: 50 ohm option p: 100 ohm differential rise/fall time tr/tf: option a: t r / t f 3.0 nsec. option f, p: t r / t f 1.0 nsec. symmetry (duty/cycle): sym 40 60 % t emp. stab. d - 205 -20 to +70?c: f temp -20.0 +20.0 ppm f - 305 -40 to +85?c: f temp -30.0 +30.0 ppm accuracy @ +25c after reflow: f cal -15.0 +15.0 ppm aging first year: f first -3.0 +3.0 ppm aging per year thereafter: f aging -2.0 +2.0 ppm/a freq. vs. supply for 5% changes.: f sup -3.0 +3.0 ppm freq. vs. load for 10% change: f load -1.0 +1.0 ppm deviation: f pull 100 ppm control voltage: v c 0.3 3.0 v t ransfer function: positive linearity: lin 10 % storage temperature: ts -45 +95 ?c package 490 (option f, p ) 6 pads 13.8x9.1x5.5 mm package 495 (option a ) 4 pads 13.8x9.1x5.5 mm parameter symbol minimum typical maximum units
vc-490/495 voltage controlled crystal oscillator v ectron international 166 glover avenue, norwalk, ct 06856 tel: 1-88-vectron-1 www.vectron.com 3 490 package outline drawing/pad layout 495 package outline drawing/pad layout recommended soldering profile option a in this package upon request! in unction ontro otage output enaeisae roun ase output opeentar output upp otage in out tanar requencies in unction ontro otage roun ase output upp otage in out
usa: v ectron international ?166 glover avenue, norwalk, ct 06856 . . . . t el: 1-88-vectron-1 ?fax: 1-888-fax-vectron europe: in denmark, finland, ireland, israel, norway, spain, uk . . . . . . . t el: 44 23 8076 5205 ?fax: 44 23 8076 6822 in austria, belgium, france, germany, italy, luxembourg netherlands, sweden, switzerland, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . t el: 49 (0) 72 63 6480 ?fax: 49 (0) 72 63 6196 asia: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . t el: 203-853-4433 ?fax: 203-849-1423 v ectron 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 prod uct(s) or information. ?001, vectron international. rev.28feb02 www.vectron.com for additional information please contact: vc-490/495 voltage controlled crystal oscillator ordering information t ape and reel 490 vc d f d 205 a product family vc=vcxo package 490 = 13.8 x 9.1 x 5.5 mm 6 pads 495 = 13.8 x 9.1 x 5.5 mm 4 pads supply voltage d = 3.3 v 5% output frequency 50.0 to 170.0 mhz consult factory for non-standard frequencies te mperature stability d-205 = < 20 ppm /-20 70? f-305 = < 30 ppm /-40 85? output type f = compl. lvpecl (package 490) p= compl. lvds (package 490) a= compl. lvcmos (package 495) 155.52 mhz
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