LSM Series Oscillators EURO QUARTZ Low Frequency - Low power SMD Oscillator 700kHz to 2.1MHz FEATURES Low current consumption, low frequency from 700kHz Low profile, miniature SMD package Full military testing available MIL testing to MIL-PRF-55310 available OUTLINE & DIMENSIONS DESCRIPTION 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. SPECIFICATION Frequency Range: Supply Voltage*: Calibration Tolerance** Code A: Code B: Code C: Frequency Stability*** 0° to +70°C: 700kHz to 2.1MHz 2.0MHz standard**** 3.3 or 5.0 Volts ±10% ±0.01% (±100ppm) ±0.03% ±0.1% -0.12% typical -0.017% maximum ±5ppm/V maximum ±10ppm/year maximum 750g, 0.3ms, ½ sine, ±3ppm max. 10g rms, 10-2000Hz, ±3ppm max. Voltage Coefficient: Ageing: Shock: Vibration: Frequency Change vs. 10% Output Load Change: ±1ppm maximum Operating Temperature: -10° to +70°C Commercial -40° to +85°C Industrial -55° to +125°C 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 mA max., 300 mA typical 3.3V supply: 300 mA max., 200 mA typical Packaging: Tray pack (standard) 16mm tape, 17.8cm or 33cm reels Start-up Time: 20ms typical 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 PART NUMBERING Example: 2.0000MHz LSMA050UMA 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. EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 [email protected] www.euroquartz.co.uk