vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com vt-803 temperature compensated crystal oscillator vectrons vt-803 temperature compensated crystal oscillator (tcxo) is a quartz stabilized, clipped sine wave or cmos output, 5th order analog temperature compensa ted oscillator, operating o a 2.8 to 5.0 volt supply in a hermetically sealed 3.2x5 mm ceramic package . clipped sine wave or cmos output ? 10.000-52.000 mhz output ? 100 ppb temperature stability ? enable/disable function ? optional vcxo ? fundamental crystal design ? gold over nickel contact pads ? hermetically sealed ceramic smd package ? product is compliant to rohs directive ? and fully compatible with lead free assembly femto cells ? base stations ? ip networking ? gps ? point to point radio ? manpack radio ? test and measurement ? features applications block diagram description vt-803 page1 v dd output vcontrol optional gnd analog temperature comp. crystal enable/disable
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page2 1. the output is dc coupled. 2. the vt-803 power supply pin should be ltered, eg, a 10uf, 0.1uf and 0.01uf capacitor. 3. not all stabilities are available over all temperature ranges, consult table 9. 4. after 2 ir re ows and 24 hours. 5. the output is enabled if the e/d is left oating. speci cations table 2. pinout pin # symbol function 1v c tcxo control voltage or nc 2 nc make no connection 3 nc make no connection 4 gnd ground 5 out output 6 e/d enable disable 7 nc make no connection 8v dd supply voltage outline drawing frequency date code #3 table 1. electrical performance, clipped sine wave option parameter symbol min typ max units output frequency, 1 ordering option f o 10 52 mhz supply voltage 2 , ordering option v dd +2.8, +3.0, +3.3, +5.0 v supply current, 10-26.000mhz 26.001-52.000mhz i dd 2.0 2.6 ma operating temperature, ordering option t op -10/70, -20/70, -30/85, -40/85 c stability over operating temperature 3 , ordering option 0.100, 0.200, 0.280, 0.500, 1.0 ppm initial accuracy, no adjust option 4 1.0 ppm power supply stability, 5% change 0.05 ppm load stability, 10% change 0.05 ppm aging 0.5 ppm/yr pull range, ordering option pr 5, 8, 10, 12 ppm control voltage to reach pull range 0.5 2.5 v control voltage impedance 100 kohm output level v o p/p 0.8 v output load 10k ii 10pf phase noise, 26.000mhz 10hz 100hz 1khz 10khz 100khz 0 n -91 -117 -136 -150 -158 dbc/hz enable/ disable 5 output enabled output disabled v ih v il 0.3*v dd 0.7*v dd v v start up time t su 2ms d i m e n s i o n s i n m m dimensions in mm
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page3 table 3. electrical performance, cmos option parameter symbol min typ max units output frequency 1 , ordering option f o 10 52 mhz supply voltage 2 , ordering option v dd +2.8, +3.0, +3.3, +5.0 v supply current, 10-26mhz 26.001-40.000mhz 40.001- 52.000mhz i dd 3.5 5 6 ma operating temperature, ordering option t op -10/70, -20/70, -30/85, -40/85 c stability over operating temperature 3 , ordering option 0.100, 0.200 0.280 0.500, 1.0, 2.0 ppm initial accuracy, no adjust option 3 1.0 ppm power supply stability, 5% change 0.05 ppm load stability, 10% change 0.05 ppm aging 0.5 ppm/yr pull range, ordering option pr 5, 8, 10, 12 ppm control voltage to reach pull range 0.5 2.5 v control voltage impedance 100 kohm output level output logic high output logic low output logic high drive output logic low drive v oh v ol i oh i ol 0.9*v dd 4 0.1*v dd -4 v v ma ma output load 15 pf phase noise, 26.000mhz 10hz 100hz 1khz 10khz 100khz 0 n -91 -117 -139 -153 -157 dbc/hz period jitter 5 rms peak-peak 2.5 21.0 ps ps enable/ disable 6 output enabled output disabled v ih v il 0.3*v dd 0.7*v dd v v start up time t su 2ms speci cations 1. the output is dc coupled. 2. the vt-803 power supply pin should be ltered, eg, a 10uf, 0.1uf and 0.01uf capacitor. 3. not all stabilities are available over all temperatures, consult table 10. 4. after 2 ir re ows and 24 hours. 5. measured using a wavecrest sia3300c, 90k samples. 6. the output is enabled if the e/d is left oating.
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page4 aging: vt-803-0001 s/n:7 id:unused [ . 09 ppb/day]-elevated1(00-0031) 05/16/11 frequency (ppb) : time (days ) 0 50 100 150 020406080100 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 00 1 10 1 20 seconds ppb cmos clipped sinewave figure 1 the vt-803 start up time is rated at 2ms. figure 1 shows the output frequency versus time in seconds which shows the output reaching a steady state frequency within 60 seconds. figure 2 the vt-803 output frequency change versus control voltage is very linear and figure 2 show the typical performance over temperature. figure 3 test conditions are under room ambient air ow (non insulated conditions). figure 4 test conditions are under room ambient air ow (non insulated conditions). warm up time frequency versus vc over temperature vcslope over temperature -15.00 -10.00 -5.00 0.00 5.00 10.00 15.00 0.00 0.75 1.50 2.25 3.00 control voltage ppm -40c +25c +85c allan deviation, clipped sine wave output aging figure 6 figure 6 is a plot of the change in frequency, in ppm, between 1 second readings for 10k data points. figure 5 figure 5 shows an output frequency change of 125ppb typical over 85 days at 85c which would be equivalent to 125ppb over 2.25 years at 40c. allan deviation, cmos output delta 1 second frequency
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page5 figure 11 figure 11 shows the di erence in the phase noise at 85c, 25c and -40c. figure 12 figure 12 is a phase noise plot at a 2.8, 3.0, 3.3 and 3.6 volt power supply which demonstrates there is no signi cant change in performance. phase noise over temperature -170.00 -160.00 -150.00 -140.00 -130.00 -120.00 -110.00 -100.00 -90.00 -80.00 -70.00 -60.00 -50.00 1 10 100 1000 10000 100000 1000000 10000000 hertz dbc/div 85c, 1.75 db higher than 25c -40c, 1.75db better than 25c 25c -170.0 -160.0 -150.0 -140.0 -130.0 -120.0 -110.0 -100.0 -90.0 -80.0 -70.0 -60.0 -50.0 1 10 100 1000 10000 100000 1000000 10000000 hertz dbc/div phase noise over power supply variation phase noise performance, clipped sine wave figure 9 figure 10 phase noise performance, cmos temperature stability graph -0.2 -0.15 -0.1 -0.05 0 0.05 0.1 0.15 0.2 -10 0 10 20 30 40 50 60 70 delta ppm temperature c figure 7 figure 8 figure 8 shows the change in frequency reading between every adjacent 2c readings. delta frequency vs. temperature -0.5 -0.4 -0.3 -0.2 -0.1 0 0.1 0.2 0.3 0.4 0.5 -10 0 10 20 30 40 50 60 70 temperature c ppm temperature c
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page6 vcxo feature: the vt-803 is supplied with a vcxo function for applications were it will be used in a pll, or the output frequency needs ne tune or calibration adjustments. this is a high impedance input , 100 kohm, and can be driven with an op-amp or terminated with adjustable resistors etc. pin 1 should not be left oating on the vcxo optional device. s 3 vcxo function maximum ratings absolute maximum ratings and handling precautions stresses in excess of the absolute maximum ratings can permanently damage the device. functional operation is not implied or an y other excess of conditions represented in the operational sections of this data sheet. exposure to absolute maximum ratings for exten ded periods may adversely a ect device reliability. although esd protection circuitry has been designed into the vt-803, proper precautions should be taken when handling and mount ing, vi employs a human body model and charged device model for esd susceptibility testing and design evaluation. esd thresholds are dependent on the circuit parameters used to de ne the model. although no industry standard has been adopted for the cdm a standard resistance of 1.5kohms and capacitance of 100pf is widely used and therefor can be used for comparison purpo ses. s table 4. maximum ratings parameter symbol rating unit storage temperature t store -55/125 oc supply voltage v dd -0.6/6 v control voltage v c -0.6/v dd +0.6 v enable/disable voltage e/d -0.6/v dd +0.6 v esd, human body model 1500 v esd, charged device model 1000 v table 5. environmental compliance parameter condition 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 f i n e a n d g r o s s l e a k fine and gross leak mil-std-883 method 1014 resistance to solvents mil-std-883 method 2015 m o i s t u r e s e n s i t i v i t y l e v e l moisture sensitivity level msl1 contact pads gold over nickel reliability
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com page7 tape & reel table 7. tape and reel information tape dimensions (mm) reel dimensions (mm) w f do po p1 a b c d n w1 w2 #/reel 12 5.5 1.5 4 8 254 2.5 13 21 100 13.5 17.5 2000 pin1 table 6. re ow pro le parameter symbol value preheat time ts-min ts-max t s 200 sec max 150c 200c ramp up r up 3oc/sec max time above 217c t l 150 sec max time to peak temperature t 25c to peak 480 sec max t i m e a t 2 6 0 c time at 260c t p 30 sec max time at 240c t p2 60 sec max r a m p d o w n ramp down r dn 6oc/sec max suggested ir pro le devices are built using lead free epoxy and can be subjected to standard lead free ir re ow conditions shown in table 5. contact pads are gold over nickel and lower maximum temperatures can also be used, such as 220c. s ir re ow
vectron international ? 267 lowell road, hudson, nh 03051 ? tel: 1-88-vectron-1 ? http://www.vectron.com 06/03/2011 vt-803- e a h - 507a- xxmxxxxxxx product tcxo voltage options d: +5.0 vdc 10% e: +3.3 vdc 10% f: +3.0 vdc 10% g: +2.8 vdc 10% output a: cmos f: clipped sine wave stability 107: 100ppb 207: 200ppb 287: 280ppb 507: 500ppb 106: 1.0ppm 206: 2.0ppm frequency in mhz temp range w: -10/70c j: -20/70c h: -30/85c e: -40/85c tuning 0: fixed, no tuning a: 5ppm b: 8ppm c: 10ppm d: 12ppm package 5x3.2 package ordering information page8 disclaimer vectron 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 product(s) or information.26 usa: vectron international 267 lowell road hudson, nh 03051 tel: 1.888.328.7661 fax: 1.888.329.8328 europe: vectron international landstrasse, d-74924 neckarbischofsheim, germany tel: +49 (0) 3328.4784.17 fax: +49 (0) 3328.4784.30 asia: vi shanghai 1589 century avenue, the 19th floor chamtime international financial center shanghai, china tel: 86.21.6081.2888 fax: 86.21.6163.3598 table 8. standard frequencies (mhz) 10.000 12.800 16.000 16.384 19.200 20.000 20.480 25.000 26.000 28.800 40.000 50.000 table 9. capabilities, clipped sine wave output 100ppb 200ppb 280ppb 500ppb 1ppm -10/70c -20/70c -30/85c -40/85c table 10. capabilities, cmos output 100ppb 200ppb 280ppb 500ppb 1ppm 2ppm -10/70c -20/70c -30/85c -40/85c = can be provided. = under development. blank = can not be provided.
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