vectron international 267 lowell road, hudson nh 03051 tel: 1-88-vectron-1 e-mail: vectron@vectron.com VTM3 series voltage controlled temperature compensated crystal oscillator the VTM3, vctxco features ? small 3.2x2.5 package size ? clipped sine wave output ? output frequencies to 45 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 ? gps ? wimax, wi-fi, wi-lan ? seismic exploration ? point to point radios ? broadband access ? test equipment ? pda?s description vectron?s VTM3 temperature compensated crystal oscillator (tcxo) is a quartz stabilized, clipped sine wave output, temperature compensated oscillator, operating off either 2.8, 3.0, or 3.3 volt supply.
VTM3 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 8.000 45.000 mhz typical supply voltage 1 ordering option, see last page 2.8, 3.0, or 3.3 vdc supply current 8.000 mhz to < 20.000 mhz 20.000 mhz to < 32.00 mhz 32.000 mhz to 45.00 mhz i dd 1.5 2.0 2.5 ma output level 2 vp/p 0.8 v output load 10k ii 10p f control voltage impedance z vc 500 kohm control voltage to reach pull all options (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 0.5 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, 12.000mhz 10 hz offset 100 hz offset 1 khz offset 10 khz offset 100 khz offset 1 mhz offset 5 mhz offset -89 -117 -135 -148 -153 -154 -155 dbc/hz start-up time 2 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 .
VTM3 data sheet vectron international 267 lowell rd, hudson nh 03051 te l: 1-88-vectron-1 e-mail: vectron@vectron.com figure 2. clipped sine wave output vcxo functional description vcxo feature : the VTM3 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 adjustm ents. this is a high impedance input, 0.5 mohm, 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 VTM3 will not be used in a pll, or the output frequency does not fine tune adjustments, the best device to use would be a VTM3-x0xx. by using the ?no adjust? option, the circuit is simplified as vc does not need to adjusted or set to a predetermined voltage and pin 1 should be grounded (pin 1 can be left open but should not be set to a voltage such as the supply).
VTM3 data sheet vectron international 267 lowell rd, hudson nh 03051 te l: 1-88-vectron-1 e-mail: vectron@vectron.com outline diagrams, pad layout and pin out contact pads are gold over nickel devices will be marked with the frequency pin 2,5,6,7,8 are used to program and adjust the tcxo during manufacturing and should be left open; do not terminate these to the supply voltage and are a ?make no connection? pad. figure 3, package drawing pin 1, ground or vc pin 2, nc pin 3, ground pin 4, output pin 5, nc pin 6, vcc pin 7, nc pin 8, nc
VTM3 data sheet vectron international 267 lowell rd, hudson nh 03051 te l: 1-88-vectron-1 e-mail: vectron@vectron.com contact pads are gold over nickel devices will be marked with the frequency figure 4, package drawing for 0.5ppm ov er -30/80c and <2ppm over -40/85c marki ng terminal connection tcxo vc tcxo #1 gnd vcont #2 gnd gnd #3 output output #4 vcc vcc land pattern 3.2 0.2 1.95 0.55 1.0 2.5 0.2 1.0 max 0.65 0.85 1.25 #1 #2 #3 #4 2.6 1.65 pin 1, ground or vc pin 2, ground pin 3, output pin 4, vcc
VTM3 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 VTM3 8 1.75 1.55 4 4 2.5 22 13 60 1.75 11.5 178 1000 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 VTM3 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 moisture sensitivity level 1 contact pads gold over nickel
VTM3 data sheet vectron international 267 lowell rd, hudson nh 03051 tel: 1-88-vectron-1 e-mail vectron@vectron.com 7 handling precautions although esd protection circuitry has been designed in to the the VTM3, 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 prot ection evaluation. esd thresholds are dependent on the circuit parameters used to define the m odel. 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 3115 charged device model 1000 jesd 22-c101 suggested ir profile devices are built using lead free epoxy and can also be subjected to standard lead free ir reflow conditions, table 7 shows max temperatures and lo wer temperatures can also be used e.g. peak temperature of 220c. table 7. 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
VTM3 data sheet vectron international 267 lowell rd, hudson nh 03051 tel: 1-88-vectron-1 e-mail vectron@vectron.com 8 ordering information table 8. standard frequency list 10.000 12.000 12.800 13.000 13.568 14.000 14.7456 16.000 16.367 16.367667 16.367673 16.368 16.369 16.376 16.800 19.200 19.440 19.6608 19.680 20.000 23.104 24.5535 25.000 26.000 27.456 32.000 39.000 VTM3 - - product family output frequency tcxo, 3.2 x 2.5 in mhz voltage options temperature options b: +3.3 vdc 5%, clipped sine output a: 0 to 55c c: +3.0 vdc 5%, clipped sine output b: -10 to 60c d: +2.8 vdc 5%, clipped sine output c: -20 to 70c d: -30 to 80c 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 3: 3.0ppm note: not all combinations are available d: 3.5ppm 4: 4.0ppm 5: 5.0ppm www.vectron.com revision date date description 1.0 02/15/08 initial release 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 b 0 c 12m800 2
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