euroquartz limited blacknell lane crewkerne somerset uk ta18 7he tel: +44 (0)1460 230000 fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk euro quartz lsm series oscillators are precision surface mount oscillators with a frequency range from 700khz to 2.1mhz. the part comprises of a hermetically sealed crystal with a hybrid circuit sealed in a ceramic package with a kovar lid. full mil testing is available. low current consumption, low frequency from 700khz low profile, miniature smd package full military testing available mil testing to mil-prf-55310 available lsm series oscillators frequency range: 700khz to 2.1mhz 2.0mhz standard**** supply voltage*: 3.3 or 5.0 volts 10% calibration tolerance** code a: 0.01% (100ppm) code b: 0.03% code c: 0.1% frequency stability*** 0 to +70c: -0.12% typical -0.017% maximum voltage coefficient: 5ppm/v maximum ageing: 10ppm/year maximum shock: 750g, 0.3ms, ? sine, 3ppm max. vibration: 10g rms, 10-2000hz, 3ppm max. frequency change vs. 10% output load change: 1ppm maximum operating temperature: -10 to +70c commercial -40 to +85c industrial -55 to +125c military output voltage (5.0v supply) high: 4.8v minimum, 4.95v typical low: 0.2v maximum, 0.05v typical rise/fall times: 12ns typical symmetry: 40/60% maximum, 45/55% typical supply current 5.0v supply: 400 m a max., 300 m a typical 3.3v supply: 300 m a max., 200 m a typical packaging: tray pack (standard) 16mm tape, 17.8cm or 33cm reels start-up time: 20ms typical outline & dimensions example: 2.0000mhz lsma050uma part numbering frequency series designation lsm calibration tolerance (see table above) stability* 100 = 100ppm 50 = 50ppm 25 = 25ppm output universal (cmos) operating temp. range c = commercial i = industrial m = military supply voltage** blank = 5.0 volts a = 3.3 volts * for other stability requirements enter figure required. ** for other supply voltage enter required voltage. description specification notes: * contact factory for lower supply voltages ** tighter tolerances available *** does not include calibration tolerance. positive variations are much smaller. **** contact factory for other frequencies low frequency - low power smd oscillator 700khz to 2.1mhz features
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