crystal oscillators 357 beloit street, p.o. box 457, burlington, wi 53105-0457 u.s.a. phone 262/763-3591 fax 262/763-2881 email: nelsales@nelfc.com www.nelfc.com data sheet 0635g specifications: product data sheet features ? sc-cut crystal ? high stability (up to 5x10 -9 ) ? low aging (5x10 -10 /day, 5x10 -8 /year) ? low phase noise (-160 dbc/hz, typ, floor) ? sine wave or hcmos/ttl output ? 4.8 mhz to 160 mhz frequencies available applications ? telecommunication systems ? data communications ? gps ? instrumentation od-x8hxxxxx precision sc-cut ocxo in 20x20 mm throu g h hole packa g e output 10k vref 2 4 dut 5 vc vcc 1 3 0.600 (15.24 mm) 0.600 (15,24 mm) 3 5 2 1 4 0.42 (10,7 mm) 0.800 sq. (20,4 mm) ?0.018 (0,46 mm)typ
crystal oscillators 357 beloit street, p.o. box 457, burlington, wi 53105-0457 u.s.a. phone 262/763-3591 fax 262/763-2881 email: nelsales@nelfc.com www.nelfc.com data sheet 0635g od-x8hxxxxx series parameter symb condition min typ max unit note absolute maximum ratings input break down voltage vcc -0.5 13.0 v storage temper. ts -40 85 c control voltage vc -1 9 v electrical frequency f 4.8 10.000 160 mhz 1* vs. temp. 10 ppb see chart below frequency stability ? f/f vs. supply 1 2 ppb/v aging per day per year 5e-10 1e-7 after 30 days 5e-8 available2* allan variance .1s to 10s 1e-11 ssb phase noise 1hz 10 hz 100 hz 1 khz 10 khz -90 -120 -150 -153 -160 dbc/hz 3* retrace after 30 minutes 10 ppb g-sensitivity worst direction 1.0 ppb/g all parameters for 10 mhz input voltage vcc 4.75 3.15 11.4 5.0 3.3 12.0 5.25 3.45 12.6 v see chart below to specify power consumption p steady state, 25c steady state, -30c start-up @ -30c 0.8 1.5 2.5 1.2 3.2 w standard operating temperature, for op temp. 85 c ad 20% spectral purity subharmonics spurious harmonics/sine -50 -35 -45 -80 -30 dbc at higher frequencies load 10kohm//15pf (hcmos/ttl), 50 ohm (sinewave) warm-up time to 0.1ppm accuracy 3 5 minutes 3 min. at 12v output waveform 3.3v hcmos/ttl compatible or sinewave (+7 3) dbm -25dbm harmonics at sine control voltage vc 0 4.0 v pull range from nominal f 0.5 1 ppm deviation slope monotonic, posit 0.4 ppm/v setability vc0 @25c, fnom. 1.0 2.0 3.0 v environmental and mechanical operating temp. range -30c to 70c standard, other options ? see chart below mechanical shock per mil-std-202, 30g, 11ms vibration per mil-std-202, 5g to 2000 hz soldering conditions 260c for 10s max leads only electrical connections pin out pin #1-vc ; pin#2 ? vref; pin #3 ? vcc; pin #4- output ; pin #5- gnd; notes: 1* higher frequencies can be achieved either by using higher frequency crystals or by low noise analog harmonic multipli cation. both methods have advantages and drawbacks. if lowest possible phase noise on the noise floor is most important ? high frequency cry stal will be used. if phase noise close to the carrier and aging are more important ? multiplication will be used. please consult factory for your sp ecific requirement. 2* aging rate is usually proportional to the operating frequency, unless higher frequency is achieved by multiplication. keep it in mind while specifying aging. 3* phase noise deteriorates with frequencies going higher. if analog multiplication is used to achieve higher frequency the ph ase noise roughly follows the formula of additional 20logn, where n is a multiplication factor across entire frequency offset range. if h igher frequency is achieved by using higher frequency crystal phase noise close to the carrier deteriorates due to the lower q of the crystal and is usually worse, compared to multiplied solution. on the noise floor, however it remains more or less the same. this design usually starts utili zing multiplication techniques in the range of 25 mhz to 35 mhz.
crystal oscillators 357 beloit street, p.o. box 457, burlington, wi 53105-0457 u.s.a. phone 262/763-3591 fax 262/763-2881 email: nelsales@nelfc.com www.nelfc.com data sheet 0635g od-x8hxxxxx series od - x 8h x xx x x package code od 5 pin 20x20mm package creating a part number temperature range code specification a 0c to 50c b -10c to 60c c 0c to 70c d -20c to 70c e -30c to 70c f -40c to 80c temperature stability code specification 17 1x10 -7 58 5x10 -8 28 2x10 -8 18 1x10 -8 59 5x10 -9 yz yx10 -z aging code specification l 1x10 -9 /day s 5x10 -10 /day p 2x10 -10 /day supply voltage code specification 0 5v 5% a 3.3v 5% f 12v 5% not all combinations are available. consult factory . output code specification t ttl s sinewave
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