statek corporation 512 n. main st., orange, ca 92868 714-639-7810 fax: 714-997-1256 www.statek.com 10141 - rev c description the LQXO-4 oscillator design consists of a cmos- compatible hybrid circuit, packaged in a standard to-39 metal package. permanent, precision tuning of the oscillator allows for very tight calibration tolerance and eliminates the need for a trimming capacitor, a major source of long-term frequency drift. the specifications and characteristics of the LQXO-4 vary with frequency. the characteristics of the 32.768 khz model are presented in this data sheet. features very low power consumption low aging cmos compatible double hermetically sealed package full military testing available 3 volt operation available applications industrial, computer & communications general purpose clock oscillator tone generators data loggers telephone equipment ultrasonic detectors airborne hybrid computer flight recorder LQXO-4 oscillator 32 khz to 200 khz* low power crystal oscillator b e c d a f g 3 2 1 bottom view dim inches mm a 0. 380 max. 9.65 max. b 0. 185 max. 4.70 max. c 0. 500 min. 12.70 min. d 0. 029 0.74 e 0. 326 max. 8.28 max f 0. 200 ref. 5.08 ref. g45 o 45 o note: 1. all metal parts gold plated 2. leads are 0.019 in.[0.48mm] max. package dimensions top view *consult factory for other frequencies. pin connections 1. v dd 2. output 3. ground
statek corporation 512 n. main st., orange, ca 92868 714-639-7810 fax: 714-997-1256 www.statek.com 10141 - rev c specifications-LQXO-4 32.768 khz specifications are typical at 25 o c unless otherwise noted. specifications are subject to change without notice. supply voltage (v dd ) 5v 10% (3.3v available) calibration a: 0.01% (100ppm) tolerance* b: 0.03% c : 0.1% frequency stability** 0 o c to +50 o c -0.0025% typ. 25 ppm -0.004% max. 40 ppm -20 o c to +70 o c -0.007% typ. 70 ppm -0.01% max 100 ppm voltage coefficient 1 ppm/v typ. 3 ppm/v max. aging, first year 1 ppm/year typ. 3 ppm/year max. shock 1,000g, 1 msec.,1/2 sine 3 ppm max. vibration 10g rms10-2000 hz 3 ppm max. frequency change vs. 10% output load change 1 ppm max. operating temperature -10 o c to +70 o c commercial -40 o c to +85 o c industrial -55 o c to +125 o c military * tighter tolerances available. ** does not include calibration tolerance. positive variations small compared to negative variations. + _ + _ + _ + _ + _ + _ + _ + _ absolute maximum ratings supply voltage v dd -0.3v to 7.0v storage temperature -55 o c to +125 o c maximum process temp. 260 o c, 10 seconds electrical characteristics LQXO-4 32.768 khz all parameters are measured at ambient temperature with a 10m v and 10pf load at 5v. symbol parameter min. typ. max. unit v output voltage hi 4.8 4.95 v v output voltage lo 0.05 0.2 v *t r rise time (10%-90%) 12 25 nsec. *t f fall time (10%-90%) 12 25 nsec. sym duty cycle 40 50 60 % supply current v =5v 7 15 m a v =3v 5 10 m a * models with faster rise and fall time available, consult factory. packaging LQXO-4 - tray pack (standard) output wave form v dd v oh t r t f 0 v ol 90%* 10%* typical current consumption LQXO-4-32.768 khz how to order LQXO-4 crystal oscillators LQXO-4 s 32.768 khz ( a / i ) s if special or frequency *calibration temp. range: custom design. tolerance c = commercial blank if std. @25 o c i = industrial (a) m = military (b) s = specify (c) i dd 23456 6 8 v dd (volts) current (ua) 10 12 7 4 * of v dd *other calibration fill in ppm
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