frequency control products type dfo 14-kh/lh revision 02 checked ne date 13.12.2005 page xx dil 14 miniature ocxo types dfo 14-kh (5 v) & dfo 14-lh (3.3 v) features 10 to 30 mhz small size and tight stability applications instrumentation, reference function dfo 14 n.c. or v. control 1 gnd 7 output 8 vcc 14 type dfo 14-kh dfo 14-lh frequency range 10 to 30 mhz standard frequencies 12.8, 16.384, 19.44 & 20 mhz electrical specifications supply voltage 5 v 5 % 3.3 v 5 % supply current (no load) @ 25c 250 ma 300 ma supply current during warm up 500 ma 800 ma output load hcmos 15 pf or 2 ttl hcmos 15 pf or 2 ttl duty cycle @ 2.5 v 40/60...60/40 % 40/60...60/40 % rise & fall times (10 to 90%) 10 ns 10 ns high/low levels 4.5 v/ 0.5 v 2.7 v/ 0.5 v ssb phase noise (1 hz bw) @ 10 hz -95 dbc/hz -95 dbc/hz (typical @ 12.8mhz) @ 100 hz -120 dbc/hz -120 dbc/hz @ 1khz -140 dbc/hz -140 dbc/hz @ 10 khz -145 dbc/hz -145 dbc/hz @100khz -150 dbc/hz -150 dbc/hz warm up time to reach 1 x 10e-7 5 min @ 25c ref @ 1 hr frequency 5 min @ 25c ref @ 1 hr frequency frequency stability detailed tolerances temperature model stability versus : calibration type range code temperature ageing/day ageing/ 1 st year short term @ 25c -20 to 70c c1727 1 x 10 e -7 2 x 10 e -7 -20 to 70c c1757 1 x 10 e -7 5 x 10 e -7 dfo 14 -20 to 70c c2757 2 x 10 e -7 1.5 x 10 e -8 5 x 10 e -7 1 x 10 e -10 0.5 x 10 e -6 stability versus supply voltage 1 x 10 e -8 for vcc 5 % options code external voltage v 2.5 v 2.25 v 2 ppm, positive slope 1.65 v 1.5 v 2 ppm, positive slope ordering code type + option code + frequency + model code + voltage value example dfo 14-lh 20 mhz c1727 h = 8.8 mm 12.70.1 20 . 3 0 . 1 h0.1 7.62 15.24 pin 1 0.45 6.3 0.750.1
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