vectron international 267 lowell road, hudson nh 0 3051 tel: 1-88-vectron-1 e-mail: vectro n@vectron.com VTC1 series voltage controlled temperature compensated crystal oscillator the VTC1, vctcxo features ? clipped sine wave output ? output frequencies to 40 mhz ? fundamental crystal design ? optional vcxo function available ? gold over nickel contact pads ? hermetically sealed ceramic smd package ? product is compliant to rohs directive and fully compatible with lead free assembly applications ? wireless communications ? base stations ? point to point radios ? broadband access ? test equipment ? handsets description vectron?s VTC1 temperature compensated crystal oscillator (tcxo) is a quartz stabilized, clipped sinewave output, temperature compensated oscillator, operating off either 2.8, 3.0, 3.3 or 5.0 volt supply.
VTC1 data sheet vectron international 267 lowell rd, hudson nh 03 051 tel: 1-88-vectron-1 e-mail: vectron@ve ctron.com performance characteristics table 1. electrical performance for the clipped sin e wave output option parameter symbol min typical maximum units frequency f o 10.000 40.000 mhz typical supply voltage 1 ordering option, see last page 2.8, 3.0, 3.3 or 5.0 v supply current 10.00 mhz to < 15.00 mhz 15.00 mhz to < 26.00 mhz 26.00 mhz to 40.00 mhz i dd 1.5 2.0 2.5 ma output level 2 vp/p 0.8 v output load 10k ii 10pf control voltage impedance z vc 1 mohm control voltage to reach pull all options (5.0, 3.3,3.0 and 2.8v) 0.5 2.5 v pull range ordering option, see last page tpr 5, 8, 10, 15 ppm temperature stability ordering option, see last page. 0.5 to 5.0 ppm initial accuracy, ?no adjust? option 3 1.0 ppm power supply stability 0.2 ppm load stability 0.2 ppm aging 1.0 ppm/year operating temperature ordering option, see last page 0/55, -10/60, -20/70, -30/80, -40/85 c phase noise, 12.800 mhz 10 hz offset 100 hz offset 1 khz offset 10 khz offset 100 khz offset -85 -115 -130 -143 -152 dbc/hz start-up time 2 ms 1. a 0.01uf and a 0.1uf capacitor should be located as close to the supply as possible (to ground) is recommended. 2. output is ac coupled. 3. initial accuracy is +/-2.0ppm after 2 ir reflows .
VTC1 data sheet vectron international 267 lowell rd, hudson nh 03 051 tel: 1-88-vectron-1 e-mail: vectron@ve ctron.com table 2. electrical performance for the cmos output option parameter symbol min typical maximum units frequency f o 10.000 40.000 mhz supply voltage 3.3v5% v dc maximum supply voltage 7 v dc supply current i dd 10.0 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 rise and fall time 3 t r /t f 3 ns output load 15pf duty cycle, @ 50% 45/55 % control voltage impedance z vc 100 kohm control voltage to reach pull 0.5 2.5 v pull range ordering option, see last page tpr 5, 8, 10 ppm temperature stability ordering option, see last page. 0.5 to 5.0 ppm initial accuracy, ?no adjust? option 4 1.0 ppm power supply stability 0.3 ppm load stability 0.2 ppm aging 1.0 ppm/year operating temperature ordering option, see last page 0/55, -10/60, -20/70, -30/80, -40/85 c phase noise, 12.800mhz 10 hz offset 100 hz offset 1 khz offset 10 khz offset 100 khz offset -93 -123 -147 -155 -158 dbc/hz start-up time 2 ms 1. a 0.01uf and a 0.1uf capacitor should be located as close to the supply as possible (to ground) is recommended. 2. output is dc coupled. 3. rise and fall time is measured at 20/80% levels 4. initial accuracy is +/-2.0ppm after 2 ir reflows .
VTC1 data sheet vectron international 267 lowell rd, hudson nh 03 051 tel: 1-88-vectron-1 e-mail: vectron@ve ctron.com figure 1. typical phase noise plot, clipped sine wa ve figure 2. clipped sine wave output
VTC1 data sheet vectron international 267 lowell rd, hudson nh 03 051 tel: 1-88-vectron-1 e-mail: vectron@ve ctron.com vcxo functional description vcxo feature : the VTC1 can be ordered with a vcxo function for applications where it will be used in a pll, or the output frequency needs fine tune adjust ments. this is high impedance, 1 mohm, input and ca n be driven with an op-amp or terminated with adjusta ble resistors etc. pin 1 should not be left floating on the vcxo optional devices. ?no adjust? feature : in applications where the VTC1 will not be used i n a pll, or the output frequency does not fine tune adjustments, the best device to use would be a VTC1-x0xxx. by using the ?no adjust? option, the circuit is simplified as vc does not ne ed to adjusted or set to a predetermined voltage an d pin 1 should be grounded or left open (but not set to a voltage such as the supply). outline diagrams, pad layout and pin out table 3. pinout pin # symbol function 1 n/c or v c no connect (VTC1-x0xx) or vcxo control voltage 2 gnd electrical and case ground 3 f o output frequency 4 v dd supply voltage note: additional pads are used to program and adjus t the tcxo during manufacturing and should be left open; do not terminate these to the supply voltage. some designs do not include these additional pads. it?s recommended to not have traces routed undernea th the devices. contact pads are gold over nickel figure 3, package drawing
VTC1 data sheet vectron international 267 lowell rd, hudson nh 03 051 tel: 1-88-vectron-1 e-mail: vectron@ve ctron.com a e c d b g f j l i k h tape and reel table 4. tape and reel dimensions (mm) tape dimensions reel dimensions # per product a b c d e f g h i j k l reel VTC1 16 7.5 1.5 4 8 1.5 20.2 13 60 2 16.4 180 1000 absolute maximum ratings stresses in excess of the absolute maximum ratings can permanently damage the device. functional operation is not implied at these or any other cond itions in excess of conditions represented in the operational sections of this data sheet. exposure t o absolute maximum ratings for extended periods may adversely affect device reliability. table 5. absolute maximum ratings parameter symbol ratings unit storage temperature tstorage -55/125 c reliability the VTC1 qualification tests have included: table 6. 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 moisture sensitivity level 1 contact pads gold over nickel
VTC1 data sheet vectron international 267 lowell rd, hudson nh 030 51 tel: 1-88-vectron-1 e-mail vectron@ve ctron.com 7 handling precautions although esd protection circuitry has been designed into the VTC1, proper precautions should be taken when handling and mounting. vi employs a human body model and a charged-device model (cdm) for esd susceptibility testing and design protection ev aluation. esd thresholds are dependent on the circu it parameters used to define the model. although no in dustry wide standard has been adopted for the cdm, a standard hbm of resistance = 1.5kohms and capacit ance = 100pf is widely used and therefore can be used for comparison purposes. table 7. esd ratings model minimum conditions human body model 1500 mil-std-883 method 3115 charged device model 1000 jesd 22-c101 suggested ir profile devices are built using lead free epoxy and can als o be subjected to standard lead free ir reflow conditions, table 7 shows max temperatures and lowe r temperatures can also be used e.g. peak temperature of 220c. table 8. reflow profile (ipc/jedec j-std-020) 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 10 sec max time at 240 c (max) t p2 60 sec max ramp down r dn 6 o c/sec max
VTC1 data sheet vectron international 267 lowell rd, hudson nh 030 51 tel: 1-88-vectron-1 e-mail vectron@ve ctron.com 8 ordering information table 9. standard frequency list 10.000 10.0001355 10.001355 10.240 10.245 12.250 11 .0592 11.2896 12.000 12.288 12.352 12.500 12.504 12.580 12.582912 12.600 12.688375 12.800 13.000 13.560 14.000 14.318 14.400 14.500 14.5888 14.617188 14.7456 14.850 15.000 15.359865 1 5.360 16.000 16.034950 16.320 16.3676 16.367667 16.36770 16.384 16.368 16.580 16.777216 16.800 17.500 18.000 18.414 18.432 18.601 19.000 19.200 19.440 19.680 19.800 20.000 20.250 20.480 20 .91646 21.250 22.000 22.368 23.090 24.000 24.5535 24.576 2 4.8064 25.000 25.48828 26.000 32.000 33.000 38.400 40.000 VTC1 - - product family output frequency tcxo, 5x7 in mhz voltage options temperature options a: +5.0 vdc 5%, clipped sine output a: 0 to 55 c b: +3.3 vdc 5%, clipped sine output b: -10 to 60c c: +3.0 vdc 5%, clipped sine output c: -20 to 70c d: +2.8 vdc 5%, clipped sine output d: -30 to 80c j: +3.3 vdc 5%, cmos output e: -40 to 85c pulling range 0: fixed tcxo, no adjust stability options 1: 5ppm a: 0.5ppm 2: 8ppm 1: 1.0ppm 3: 10ppm b: 1.5ppm 4: 15ppm 2: 2.0ppm c: 2.5ppm note: not all combinations are available: 3: 3.0 ppm 0.5 ppm is available over 0 to 55 c only d: 3.5ppm 1.0 ppm to 5.0 ppm is available on all temperat ure ranges 4: 4.0ppm j option is available for new designs 5: 5.0ppm www.vectron.com 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 shangha i, china 200131 ?tel: 8621 50480777 ? fax: 8621 50481881 b 0 c 10m00 2
VTC1 data sheet vectron international 267 lowell rd, hudson nh 030 51 tel: 1-88-vectron-1 e-mail vectron@ve ctron.com 9 revision date description 1.6 04/22/08 changed cmos ordering information, ok for all frequencies. add initial accuracy spec after 2 ir reflows 1.7 07/06/09 add rise and fall time spec, 3ns 1.8 09/13/10 update VTC1 picture
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