Miniature oscillators are for implantable medical applications
Low current, miniature crystal oscillators from Statek are available from Euroquartz. They have been developed for high reliability applications.
The CXOU oscillators are hermetically sealed in a highly reliable ceramic housing, and available in frequencies from 32.768 to 100,000kHz.
The CXOU offers low current consumption from 1.75 to 3.9-microA depending on frequency output with start-up voltages from 0.9 to 5.0V. Standard calibration tolerances are ±20, ±50 and ±100ppm with tighter bands available to special order if required.
Typical start-up time is 200 milliseconds with rise/fall times of 30 nanoseconds while ageing is ±2ppm for first year. Standard CMOS output load is 10 picoFarad with other loads available to special order. The crystal oscillators are also capable of withstanding peak shock up to 5,000g (0.3ms ½ sine).
The CXOU range of oscillators is housed in a non-magnetic, helium-impermeable ceramic package and lid measuring 1.2 x 2.0 x 0.76mm. They are suitable for use in many medical implantable applications including pacemakers, defibrillators and neuro devices as well as external medical products. With full military testing per MIL-PRF-55310 available to order, the oscillators are also suitable for many defence and aerospace applications.
Additional features and specifications include tristate enable/disable options and operating temperature ranges for commercial (0 to 70 degree C), industrial (-40 to +85 degree C) and military (-55 to +125 degree C) applications. Process temperature rating is 260 degree C for two minutes maximum.
Statek CXOU oscillators are available in tray packs or 12mm carrier tape 178 or 330mm reels (EIA481).
Euroquartz is an independent UK-based manufacturer and supplier of quartz crystals, oscillators, filters and frequency-related products to the electronics manufacturing industry.
The company is AS9100 registered and designs and manufactures a comprehensive range of frequency control components for a wide range of customers including major OEMs covering a broad spectrum of applications including military and aerospace, communications, general electronics, computing, control systems and petrochemical.