frequency control products type dfa s1-khaz/lhaz revision 00 checked ne date 25.06.2007 page xx surface mount tcxo with internal trimmer dfa s1-khaz (5 v) & dfa s1-lhaz (3.3 v) key features 5 to 52 mhz tight stability analogue temperature compensation applications sdh/sonet/microwave function dfa s1 nc 1 e / d 2 gnd 3 output 4 n / c 5 vcc 6 type dfa s1-khaz dfa s1-lhaz frequency range 5 to 52 mhz electrical specifications supply voltage 5 v 5 % 3.3 v 5 % supply current ( no load) 20 ma 10 ma output load hcmos 15 pf or 2 ttl hcmos 15 pf or 2 ttl duty cycle @ 50% level 45/55...55/45 % 45/55...55/45 % rise/fall times (10 to 90 %) 5 ns 5 ns high/low levels or output amplitude 4.5 v/ 0.5 v 2.8 v/ 0.3 v start-up 10 ms @ 4.75 v 10 ms @ 3.15 v tri-state control on pin 2 high or open = enable, low = high z high or open = enable, low = high z frequency stability detailed tolerances [ ppm ] type temperature model stability versus: calibration range code temperature vcc 5 % load 10 % ageing @ 25 c all types 0 to 70c b0.5 0.5 0.1 0.1 1 by internal trimmer -20 to 70c c1 1.0 -40 to 85c e2 2.0 remark ageing is 1 s t year at 25c internal trimmer pulling 5 ppm ordering code type + option code + frequency + model code example dfa s1-lhaz 19.44 mhz e2 notes not all combinations of stabilities and frequencies are available pc board footprint 9.10.2 14.80. 3 1.4 1.0 5.08 6 5 4 3 2 1 5.9 +0.1 -0.2 2.54 8.9 5.08 1.27 2.03 3.56 ? 3 . 0 0
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