18 vectron international ?267 lowell road, hudson, nh 03051 ?tel: 1-88-vectron-1 ?web: www.vectron.com performance characteristics description precision 14 x 9 mm vcxo with high frequency crystal, standard footprint. 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 frequency: f o 50.0 170.0 mhz supply voltage: vcc 3.135 3.3 3.465 v 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 option a lvhcmos option f: complementary. lvpecl option p: complementary. lvds 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 ns option f: t r / t f 1.0 ns option p: t r / t f 1.0 ns symmetry (duty/cycle): sym 40 60 % temp. stab. d - 205 -20 to +70?: f temp -20.0 +20.0 ppm f - 305 -40 to +85?: f temp -30.0 +30.0 ppm accuracy @ +25c after reflow: fcal -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 freq. vs. supply for 5% change: 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 transfer function: positive linearity: lin 10 % storage temperature: ts -45 +95 ? package size: 13.8 x 9.1 x 5.5 mm parameter symbol minimum typical maximum units voltage controlled crystal oscillators vc-490/495 8798_aa's vectron 05/30/02 3:11 pm page 18
19 vectron international ?267 lowell road, hudson, nh 03051 ?tel: 1-88-vectron-1 ?web: www.vectron.com vc-490/495 option a outline drawing/pad layout ordering information pin function 1 control voltage 2 gnd, case 3 rf output 4 supply voltage option f, p outline drawing/pad layout pin out information, vc-490 pin function 1 control voltage 2 n.c. (output enable/disable) 3 gnd, case 4 rf output 5 complementary rf-output 6 supply voltage pin out information, vc-495 61.44mhz 77.76mhz 125.0mhz 155.52mhz 166.6286mhz 167.331645mhz standard frequencies vc t emperature & stability d-205 = 20ppm over -20 to +70 o c f-305 = 30ppm over 40 to +85 o c output frequency 50.0... 170.0mhz 490 a d d 205 155.52 product family vc =vcxo package 490 =13.8x9.1x5.5mm with 6 pads 495 =13.8x9.1x5.5mm with 4 pads supply v oltage d = +3.3v + 5% output t ype a= lvcmos f = complementary. lvpecl p= complementary. lvds mhz a voltage controlled crystal oscillators vcxo 8798_aa's vectron 05/30/02 3:11 pm page 19
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