vectron international 267 lowell road, hudson nh 03051 tel: 1-88-vectron-1 e-mail: vectron@vectron.com VTD3 series voltage controlled temperature compensated crystal oscillator the VTD3, vctcxo features ? cmos output ? output frequencies to 61.440 mhz ? fundamental crystal design ? optional vcxo function available ? product is compliant to rohs directive applications ? wireless communications ? base stations ? point to point radios ? broadband access ? test equipment description vectron?s VTD3 temperature compensated crystal oscillator (tcxo) is a quartz stabilized, cmos squarewave, temperature compensated oscillator, operating off either 3.3 or 5.0 volt supply.
VTD3 data sheet vectron international 267 lowell rd, hudson nh 03051 te l: 1-88-vectron-1 e-mail: vectron@vectron.com performance characteristics table 1. electrical performance parameter symbol min typical maximum units frequency f o 10.000 61.440 mhz supply voltage 3.3v5%, 5v5% maximum supply voltage 7 v dc supply current, output frequency<22mhz output frequency=>22mhz i dd 15 24 ma output level 2 logic high logic low drive high drive low v oh v ol i oh i ol 0.9*v dd 4 0.1*v dd -4 v v ma ma output load 15pf duty cycle, @ 50% 40/60 % control voltage impedance z vc 100 kohm control voltage to reach pull, 5v option 3.3 v option 0.5 0.3 4.5 3.0 v pull range ordering option, see last page tpr 5, 8, 10, 15 ppm temperature stability ordering option, see last page. 1.0 to 5.0 ppm initial accuracy, ?no adjust? option 2.0 ppm power supply stability 1.0 ppm load stability 0.3 ppm aging 1.0 ppm/year operating temperature ordering option, see last page 0/55, -10/60, -20/70, -30/75, -40/85 c phase noise, 10.000mhz 10 hz offset 100 hz offset 1 khz offset 10 khz offset 100 khz offset -107 -138 -148 -152 -154 dbc/hz start-up time 10 ms 1. a 0.01uf and a 0.1uf capacitor should be located as clos e to the supply as possible (to ground) is recommended. 2. output is dc coupled.
VTD3 data sheet vectron international 267 lowell rd, hudson nh 03051 te l: 1-88-vectron-1 e-mail: vectron@vectron.com vcxo functional description vcxo feature : the VTD3 can be ordered with a vcxo functi on for applications where it will be used in a pll, or the output frequency needs fine tune adjus tments. this is high impedance input, 100 kohm, and can be driven with an op-amp or termi nated with adjustable resistors etc. pin 1 should not be left floating on the vcxo optional devices. ?no adjust? feature : in applications where the VTD3 will not be used in a pll, or the output frequency does not need fine tune adjustments, the fixed tcxo/v td3-x0xx is the best option. by using the ?no adjust? option, the circuit is simplified as vc does not need to adjusted or set to a predetermined voltage. pin 1 can be grounded to reduce the risk of adding noise into the circuit. outline diagrams, pad layout and pin out table 2. pinout pin # symbol function 1 n/c or v c no connect (VTD3-x0xx) or vcxo control voltage 2 gnd electrical and case ground 3 f o output frequency 4 v dd supply voltage figure 1, package drawing and pad layout VTD3-xxxx 2.0 mm (max) VTD3 frequency date code
VTD3 data sheet vectron international 267 lowell rd, hudson nh 03051 te l: 1-88-vectron-1 e-mail: vectron@vectron.com a e c d b g f j l i k h tape and reel table 3. tape and reel dimensions (mm) tape dimensions reel dimensions # per product a b c d e f g h i j k l reel VTD3 24 11.5 1.5 4 12 2 21 13 80 2 25.5 255 1k absolute maximum ratings stresses in excess of the absolute maximum rati ngs can permanently damage the device. functional operation is not implied at these or any other c onditions in excess of conditions represented in the operational sections of this data sheet. exposure to absolute maximum ratings for extended periods may adversely affect device reliability. table 4. absolute maximum ratings parameter symbol ratings unit storage temperature tstorage -40/85 c reliability the VTD3 qualification tests have included: table 5. environnemental compliance parameter conditions mechanical shock mil-std-883 method 2002 mechanical vibration mil-std-883 method 2007 temperature cycle mil-std-883 method 1010 solderability mil-std-883 method 2003 gross and fine leak mil-std-883 method 1014 resistance to solvents mil-std-883 method 2015 handling precautions although esd protection circuitry has been designed into the VTD3, proper precautions should be taken when handling and mounting. vi employs a human b ody model and a charged-device model (cdm) for
VTD3 data sheet vectron international 267 lowell rd, hudson nh 03051 tel: 1-88-vectron-1 e-mail vectron@vectron.com 5 esd susceptibility testing and design protection eval uation. esd thresholds are dependent on the circuit parameters used to define the model. although no industry wide standard has been adopted for the cdm, a standard hbm of resistance = 1. 5kohms and capacitance = 100pf is widely used and therefore can be used for comparison purposes. table 6. esd ratings model minimum conditions human body model 1000 mil-std-883 method 3015 charged device model 500 jesd 22-c101 suggested ir profile table 7 shows max temperatures and lower peak tem peratures can also be used e.g. peak temperature of 230-240c. the VTD3 should not be subjected to a wa sh process that will immerse it in solvents ? a no clean process is recommended. table 7. reflow profile parameter symbol value preheat time t s 60 sec min, 180 sec max ramp up r up 3 o c/sec max time above 217 o c t l 60 sec min, 150 sec max time to peak temperature t amb-p 480 sec max time at 260 o c (max) t p 6 sec max time at 240 c (max) t p2 60 sec max ramp down r dn 6 o c/sec max
VTD3 data sheet vectron international 267 lowell rd, hudson nh 03051 tel: 1-88-vectron-1 e-mail vectron@vectron.com 6 ordering information table 8. standard frequency list 10.00 11.00 12.288 12.352 12.50 12.80 13.00 14.31818 14.40 15.36 16.384 16.80 19.20 19.44 19.6608 19.68 20.00 26.88 27.00 32.00 32.768 44.00 44.736 50.000 VTD3 - - product family output frequency tcxo, 9.6 x 11.5 in mhz voltage options temperature options h: +5.0 vdc 5% a: 0 to 55c j: +3.3 vdc 5% b: -10 to 60c c: -20 to 70c pulling range d: -30 to 75c 0: fixed tcxo, no adjust e: -40 to 85c 1: 5ppm 2: 8ppm stability options 3: 10ppm 1: 1.0ppm 4: 15ppm b: 1.5ppm 2: 2.0ppm c: 2.5ppm 3: 3.0 ppm 4: 4.0ppm 5: 5.0ppm note: not all combinations are available www.vectron.com september 23 2009 for additional information, please contact: usa: vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? fax: 1-888-fax-vectron europe: landstrasse, d-74924, neckarbischofsheim, germany ? tel: 49 (0) 7268 8010 ? fax: 49 (0) 7268 801281 asia: vectron asia pacific sales 1f~2f. no.8 workshop no.308 fenju rd., waigaoqiao free trade zone, pudong new area shanghai, china 200131 ?tel: 8621 50480777 ? fax: 8621 50481881 j 0 c 10m00 2
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