euro quartz euroquartz limited blacknell lane crewkerne somerset uk ta18 7he tel: +44 (0)1460 230000 fax: +44 (0)1460 230001 email: info@euroquartz.co.uk www.euroquartz.co.uk features page 1 of 4 low jitter precision lvds oscillator EMEM1103/1123 - mems oscillator 2.3mhz to 460.0mhz description the euroquartz EMEM1103 and emem1123 series of high performance oscillators utilize mems (micro electro-mechanical system) technology, offering excellent jitter and stability performance over a wide range of supply voltages and temperature ranges. the EMEM1103 has a standby feature allowing it to completely power down when the 'en' pin is pulled low; the emem1123 outputs are disabled when en is low. both oscillators are available in industry-standard oscillator packages, including the small 2.5 x 2.0mm and are 'drop-in' replacements for standard lvds output quartz crystal oscillators. frequency range 2.3mhz to 460mhz frequency stability 10, 25 or 50ppm operating voltage: 1.71v to 3.60v operating temperature range industrial: -40 to +85c ext. commercial: -20 to +70c high supply noise rejection: -50dbc short lead time ultra-miniature footprints 2.5 x 2.0 x 0.85mm 3.2 x 2.5 x 0.85mm 5.0 x 3.2 x 0.85mm 7.0 x 5.0 x 0.85mm excellent shock & vibration resistance qualified to mil-std-883 high reliability low current consumption supply voltage from 2.25 to 3.6 volts standby and output enable function lvpecl and hcsl versions available electrical specifications parameter symbol condition min. typ. max. unit supply voltage 1 2.25 3.6 v supply current i dd en pin low - outputs disabled EMEM1103 emem1123 20 0.095 22 ma frequency stability ?f includes frequency variations due to initial tolerance, temp. and power supply voltage. 10 25 50 ppm ageing ?f 1 year @ 25 5 ppm startup time 2 t su t = 25c 5 ms input logic levels input logic high input logic low v ih v il 0.75*v dd 0.25*v dd v output disable time 3 t da 5 ns output enable time t en EMEM1103 emem1123 5 20 ms ns enable pull-up resistor pull-up resistor exists 40 k lvds outputs supply current i dd output enabled, r l = 50 29 32 ma output offset voltage v os r = 100 differential 1.4 v delta offset voltage ? v os 50 mv pk to pk output swing single-ended 350 mv output transition time 3 rise time fall time t r t f 20% to 80% r l = 50 , c l = 2pf 200 ps frequency f 0 single frequency 2.3 460 mhz output duty cycle sym differential 48 52 % period jitter j per 2.5 ps rms integrated phase noise j ph 200khz to 20mhz @156.25mhz 100khz to 20mhz @156.25mhz 12khz to 20mhz @156.25mhz 0.28 0.4 1.7 2 ps rms notes: 1. pin 6 v dd should be filtered with 0.1f capacitor. 2. t su is time to 100ppm of output frequency after v dd is applied and outputs are enabled. 3. output waveform and test circuit figures below define the parameters. 4. output is enabled if pad is floated or not connected.
euro quartz euroquartz limited blacknell lane crewkerne somerset uk ta18 7he tel: +44 (0)1460 230000 fax: +44 (0)1460 230001 email: info@euroquartz.co.uk www.euroquartz.co.uk en pin dsc1103 dsc1123 high outputs active outputs active nc outputs active outputs active low standby outputs disabled output enable modes absolute maximum ratings item min. max. unit condition supply voltage -0.3 +4.0 v input voltage -0.3 v dd +0.3 v junction temp. - +150 c storage temp. -55 +150 c soldering temp. - +260 c 40 sec. max. esd hbm mm cdm - 4000 400 1500 v EMEM1103 c i 5 - 125.000 t package a: 7.0 x 5.0mm b: 5.0 x 3.2mm c: 3.2 x 2.5mm d: 2.5 x 2.0mm n: 7.0 x 5.0mm (no centre pad) stability 1: 50ppm 2: 25ppm 5: 10ppm packing t: tape & reel : tube enable modes 0: enable/standby 2: enable/disable ordering code temp range e: -20 to 70 i: -40 to 85 l: -40 to 105 m: -55 to 125 freq. (mhz) 125.000 typical termination scheme nominal performance parameters (unless specified otherwise: t = 25c, v dd = 3.3v) output waveform page 2 of 4 low jitter precision lvds oscillator EMEM1103/1123 - mems oscillator 2.3mhz to 460.0mhz
euro quartz euroquartz limited blacknell lane crewkerne somerset uk ta18 7he tel: +44 (0)1460 230000 fax: +44 (0)1460 230001 email: info@euroquartz.co.uk www.euroquartz.co.uk low jitter precision lvds oscillator EMEM1103/1123 - mems oscillator 2.3mhz to 460.0mhz solder reflow profile msl1 @ 260c refer to jstd-020c ramp-up rate (200c to peak temp.) 3c/s max. preheat time 150c to 200c 60-180s time maintained above 217c 60-150s peak temperature 255-260c time within 5c of actual peak 20-40s ramp-down rate 6c/s max. time 25c to peak temperature 8 min max. 7.0 x 5.0mm plastic package package dimensions 5.0 x 3.2mm plastic package page 3 of 4
euro quartz euroquartz limited blacknell lane crewkerne somerset uk ta18 7he tel: +44 (0)1460 230000 fax: +44 (0)1460 230001 email: info@euroquartz.co.uk www.euroquartz.co.uk low jitter precision lvds oscillator EMEM1103/1123 - mems oscillator 2.3mhz to 460.0mhz 3.2 x 2.5mm plastic package 2.5 x 2.0mm plastic package page 4 of 4
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