vcxo page 1 of 3 raltron electronics corp. 10651 n.w. 19 th st miami, florida 33172 u.s.a. phone: (305) 593 - 6033 fax: (305) 594 - 3973 e - mail: sales@ raltron.com web: http://www.raltron.com va2 series: 9.3x8.5mm vcxo oscillator, hcmos, +5.0 vdc description: a crystal controlled, high frequency, highly stable, voltage controlled oscillator, adhering to hcmos standards. the output can be tri - stated to facilitate testing or combined multipl e clocks. this oscillator is ideal for today's automated assembly environments. applications and features: ? common frequencies: 16.384 mhz; 19.44 mhz; 27 mhz; 38.88 mhz; 51.84 mhz; 77.76 mhz ? +5.0 vdc hcmos ? frequency range from 1 to 100 mhz n electrical para meters: parameter symbol test conditions *1 value unit nominal frequency fo 1.000 ~ 100.000 mhz supply voltage vcc +5.0 5% vdc supply current is 35.0 max ma output logic type hcmos load connected from output to ground 15 pf output voltage lev els voh vol 0.9 * vcc min 0.1 * vcc max vdc vdc duty cycle dc measured at 50% of vcc 40/60 to 60/40 or 45/55 to 55/45 % rise / fall time tr / tf measured at 20/80% and 80/20% vcc levels 6.0 max *2 ns jitter j rms, fj = 12 khz?20 mhz 1 typ ps overall f requency stability d f/fc op. temp., aging, load, supply and cal. variations *3 ppm control voltage range vc positive slope; 10% linearity max 0 to +5.0 vdc settability vfo +2.5 0.5 vdc absolute pull range apr minimum guaranteed freq. pull over d f/fc see part numbering ppm input impedance zin 10 min k w modulation bandwidth bw - 3 db 10 min khz pin 1 output enabled output disabled en dis high voltage or no connect ground 0.7 vcc min 0.3 vcc max vdc vdc absolute voltage range vcc(abs) non - destructive - 0.5?+7.0 vdc *1 test conditions unless stated otherwise: nominal vcc, nominal load, +25 3 c *2 frequency dependent *3 not all apr?s available with all temperature ranges ? please consult factory for availability n environmental p arameters: parameter symbol testconditions *1 value unit operating temperature range ta see part number table c storage temperature range t(stg) - 55?+90 c n part numbering system: series symmetry temperature range (c) apr (ppml) frequency (mhz) va2 : vcxo with hcmos output a: 40/60 to 60/40% t: 45/55 to 55/45% r: 0?+50 s: 0?+70 u: - 20?+70 w: 0?.+85 v: - 40?+85 f: 32 ppm h: 50 ppm k: 70ppm g: 80 ppm j: 100 ppm l: 130 ppm 1.000?100.000 example: va2ash - 38.880 vcxo oscillator, 9.3x8.5mm p ackage, +5.0 vdc supply voltage, hcmos output, standard symmetry, 0?+70 c operating temperature range, 50 ppm apr, 38.880 mhz
vcxo page 2 of 3 raltron electronics corp. 10651 n.w. 19 th st miami, florida 33172 u.s.a. phone: (305) 593 - 6033 fax: (305) 594 - 3973 e - mail: sales@ raltron.com web: http://www.raltron.com please consult the factory for any custom requirements. n mechanical parameters: outline tolerance: 0.006? / 0.15mm (unless otherwise specified) pin functions: [1] voltage control [2] enable / disable [3] case ground [4] output [5] no connect [6] supply voltage marking: tbd *0.01 m f external by - pass filter is recommended as seen on solder patte rn.
vcxo page 3 of 3 raltron electronics corp. 10651 n.w. 19 th st miami, florida 33172 u.s.a. phone: (305) 593 - 6033 fax: (305) 594 - 3973 e - mail: sales@ raltron.com web: http://www.raltron.com tape and reel
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