pecl/lvpecl uhf vcxo ab-x36dxxx series description the ab-x36dxxx series of voltage controlled crystal oscillators (vcxo) provides ultra high frequency with pecl/lvpecl complementary outputs. the outputs can be disabled for test automation or combining multiple clocks. the device is based on low noise analog harmonic frequency multiplication, providing exceptionally low phase noise and jitter. it is packaged in a miniature, fr-4 based 9x14 mm smd package. applications and features ? wide frequency range ? 200.0mhz to 1.000ghz ? fiber channel; 10 gbe; infiniband; network processors; sonet/sdh ? high reliability - nel halt/hass qualified for crystal oscillator start-up conditions ? extremely low phase noise, low jitter ? sonet 20ppm overall free-run stability available ? absolute pull range (apr) to 1000 ppm ? high shock resistance, to 1000g ? rohs compliant, lead free construction 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 crystal clock oscillators data sheet 0630b rev. c ab - x 36d x x x - freq package code absolute pull range, ppm ab 6 pad 9x14mm smd e 20 f 32 input voltage g 50 0 5.0v5% h 100 a 3.3v5% 9 customer specific enable option temperature range, c h enable high a 0 to 50 l enable low b 0 to 70 c -20 to 70 d -40 to 85 9 customer specific creating a part number
ab-x36dxxx series continued pecl/lvpecl uhf vcxo absolute maximum ratings parameter symbol value unit operating temperature range to -40 to +85 oc storage temperature range tst -50 to +90 oc supply voltage vcc -0.5 to 4.5 v enable/disable voltage ven/dis 0 to vcc v electrical parameters parameter symb conditions, note min typ max unit nominal frequency fo 200 1000 mhz supply voltage vcc code code a 4.75 3.135 5.0 3.3 5.25 3.465 v supply current icc 60 80 ma output logic type lvpecl load output to vcc-2v, or thevenin equivalent 50 ohm output levels voh vol overall vcc- 1.025 vcc- 1.620 v duty cycle (symmetry) at 50% of output voltage swing 45/55 50/50 55/45 % rise/fall time tr/tf 20 to 80, 80 to 20 % 0.5 0.7 ns jitter integrated j integrated from phase noise, 12 khz to 20 mhz, rms 0.1 0.2 ps 10 hz to 80 khz, rms 1.0 ps 50 khz to 80 mhz 0.3 ps wavecrest characterized random period, 2.5 ps accumul., pk- to-pk 25 ps deterministic 1 ps sub-harmonics @ 622.08mhz -50 -46 dbc phase noise ( f) 622.080 mhz, apr 50ppm or less @ 10 hz @100 hz @1 khz @10khz @100khz @>1mhz -60 -90 -118 -135 -140 -145 -55 -85 -113 -130 -135 -140 dbc/hz frequency stability, usually not specified - unless necessary, apr is specified to incorporate stability f/f overall, including initial calibration, temperature, aging 10 years, shock and vibration @ vc=vcc/2; apr 50ppm, or less 20 30 ppm control voltage range vc 0v vcc v setability vcs vc to set f at fo; t, vcc, load - nominal, as shipped 0.4 vcc 0.5 vcc 0.6 vcc v absolute pull range apr over all conditions, see part # creation 20,32, 50,100 ppm input impedance zin @ fmod < 100 khz 50 kohm modulation bandwidth at vc = vcc/2, -3db 20 khz enable pin 2 = low, 0 to vcc- 1.62v enabled v disable pin 2 = high, vcc-1.025v to vcc disabled, pin 4 = logic ?1", pin 5 = logic ?0" v 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 rev. c crystal clock oscillators data sheet 0630b
crystal clock oscillators rev. c 0.55 (14 m m ) 0.35 (9 m m ) 0.24 (6.1 mm) 0.200 (5.08 m m ) 0.300 (7.62 m m ) 1 2 3 4 5 6 0.045 (1.14 m m ) 0.050 (1.27 m m ) 0.200 (10.2 m m ) 0.100 (5.1 m m ) 0.060 (1.52 m m ) recommended pad layout ab-x36dxxx series continued pecl/lvpecl uhf vcxo electrical connection pin connection 1 vco 2 enable/disable 3 v ee 4 output 5 output complement 6 v cc environmental and mechanical characteristics operating temp. range see part # table mechanical shock per mil-std-202, method 213, cond. e thermal shock per mil-std-883, method 1011, cond. a vibration per mil-std-883, method 2007, cond. a hermetic seal leak rate less than 1x10 -8 atm.cc/s of helium soldering conditions see max reflow profile below maximum reflow profile 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
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