vectron international 267 lowell road , hudson nh 0 3051 tel : 1 - 88 - vectron - 1 e - mail: vectron@vectron.com vtc1 series voltage controlled temperature compensated crystal oscillator the vtc1 , vctxco features c lipped sine w ave or square w ave o utput output f requencies to 4 0 mhz fundamental c rystal design optional vcxo fun ction available gold over nickel c ontact pads hermetically s ealed c eramic 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 ( tc xo) is a quartz stabilized , clipped sin e wave output or cmos squarewave , temperature compensated oscillator, operating off either 2 .8, 3.0 , 3.3 or 5.0 volt supply .
vectron international 2 6 7 lowell rd, hudson nh 0 3051 tel : 1 - 88 - vectron - 1 e - mail: vectron@vectron.c om performance characteristics table 1. e lectrical performance for the clipped sine wave output option parameter symbol min typical maximum units frequency f o 10.00 0 40.000 mhz typical supply voltage o r dering option , see last page 2.8v, 3.0v, 3.3v or 5.0v supply current 10.000 mhz to < 15.000 mhz 1 5 .00 0 mhz to < 2 6.00 mhz 2 6.000 mhz to 40.000 mhz i dd 1.5 2.0 2.5 ma output level 2 v p/p 0.8 v output load 10k ii 10pf control voltage impedance z vc 1 mohm control voltage to reach pull all option s (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 or 20 ppm temperature stability o rdering option, see last page. 0.5 to 5.0 ppm initial accuracy, ?no adjust? option 0.5 ppm power supply stability 0.2 ppm load sta bil i ty 0.2 ppm aging 1.0 ppm/year operating temperature o rdering option , see last page 0/55, - 10/60, - 20/70, - 30/80 , - 40/85 c p hase noise , 1 2.80 0 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. o utput is ac coupled.
vtc1 data sheet vectron international 2 6 7 lowell rd, hudson nh 0 3051 tel : 1 - 88 - vectron - 1 e - mail: vectron@vectron.c om table 2. electrical performance for the cmos output option param eter symbol min typical maximum units frequency f o 10.000 40.000 mhz supply voltage 3.3v 1 0% 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 output load 1 5 pf duty cycle, @ 50% 45/55 % control voltage impedance z vc 1 00 k ohm control voltage to reach pull 0.5 2.5 v pull range ordering option, see last page tpr 5, 8, 10 ppm temperature stability o rd ering option, see last page. 0.5 to 5.0 ppm initial accuracy, ?no adjust? option 0.5 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 , 1 2. 80 0mhz 10 hz offset 100 hz offset 1 khz offset 10 khz offset 100 khz offset - 9 3 - 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 .
vtc1 data sheet vectron international 2 6 7 lowell rd, hudson nh 0 3051 tel : 1 - 88 - vectron - 1 e - mail: vectron@vectron.c om figure 1 . typical phase noise plot , clipped sine wave figure 2 . clipped sine wave output
vtc1 data sheet vectron international 2 6 7 lowell rd, hudson nh 0 3051 tel : 1 - 88 - vectron - 1 e - mail: vectron@vectron.c om vcxo functional description vcxo feature : the vtc1 can be ordered with a vcxo funct ion f or applications were i t will be used in a pll, or the output frequency needs fine tune adjustments. this is high impedance , 1 mohm , input and can be driven with an op - amp or terminated with adjustable resistors etc. pin 1 should not be left floating o n the vcxo optional devices. ?no adjust? feature : in applications were the vtc1 will be not be used in 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 circui t is simplified as vc does not need to adjusted or set to a predetermined voltage and pin 1 should be grounded or left open (but not set to a voltage such as the su p ply). outline diagram s , pad layout and pin out table 3 . pinout pin # symbol functio n 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 adjust the tcxo during manufacturing and should be left open; do n ot terminate these to the supply voltage. some designs do not include these additional pads. contact pads are gold over nickel figure 3 , package drawing
vtc1 data sheet vectron international 2 6 7 lowell rd, hudson nh 0 3051 tel : 1 - 88 - vectron - 1 e - mail: vectron@vectron.c om a e c d b g f j l i k h tape and reel t able 4 . tape and reel dimensions (mm) tape dimensions reel dimension s # per product a b c d e f g h i j k l reel vtc1 1 6 7 .5 1.5 4 8 1. 5 20. 2 13 60 2 1 6 .4 1 80 100 0 absolute maximum ratings stresses in excess of the absolute maximum ratings can permanently damage the device. functional operation is not implied at th ese or any other conditions 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 5 . absolute maximum ratings parameter symbol ratings unit storage temperature tstorage - 55/125 c reliability the vtc1 qualification tests have include d : table 6 . environnemental compliance parameter conditions mechanical shock mil - std - 883 method 20 0 2 mechanical vibration mil - s td - 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 201 5
vtc1 data sheet vectron international 2 6 7 lowell rd, hudson nh 0 3051 tel : 1 - 88 - vectron - 1 e - mail vectron@vectron.com 7 handling precautions although esd protection circuit ry has been designed into the 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 evaluation. esd thresholds are depend ent 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. tab le 7 . esd ratings model minimum conditions human body model 1000 mil - std - 883 method 3115 charged device model 1500 jesd 22 - c101 suggested ir profile devices are built using lead free epoxy and can also be subjected to standard lead free ir reflow c onditions , table 7 shows max temperatures and lower temperatures can also be used e.g. peak temperature of 220c . table 8 . reflow profile (ipc/jedec j - std - 020b) parameter symbol value preheat time t s 150 sec min, 200 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 1 0 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 2 6 7 lowell rd, hudson nh 0 3051 tel : 1 - 88 - vectron - 1 e - mail vectron@vectron.com 8 ordering information table 9 . standard frequency li st 10.000 10.000 1355 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 15.360 16.000 1 6.034950 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 24.8064 25.000 25.488 28 26.000 32.000 33.000 38.400 40.000 vtc1 - - product family output frequency tcxo, 5x7 in mh z 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 60 c c : +3.0 vdc 5 % , clipped sine output c : - 20 to 70 c d : + 2 . 8 vdc 5 % , clipped sine output d : - 30 to 80 c j: +3.3 vdc 10% , cmos output e: - 40 to 85 c pulling range 0: fixed tcxo, no adjust stability options 1: 5ppm a : 0 .5 ppm 2: 8ppm 1 : 1 .0ppm 3: 10ppm b: 1.5ppm 4: 1 5 ppm 2 : 2.0ppm 5: 20 ppm c : 2.5ppm 3: 3.0 ppm note: not all combinations are available: d : 3.5ppm 0.5 p pm is available over 0 to 55 c only 4 : 4 . 0 ppm 1.0 ppm to 5.0 ppm is available on all temperature ranges 5: 5.0ppm www.vectron.com january 1 0 , 200 6 for additional information, please contact: usa: vectron internati onal 2 6 7 lowell road , hudson , nh 0 3051 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 b 0 c 1 0 m00 0 2
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