clipped sine sm tcxo phone: +86 (10) 5820-3910 fax: +86 (10) 5820-3915 email: sales@vanlong.com web: http://www.v anlong.com ? 2008 by vanlong technology co., ltd. TO521 temperature compensated crystal oscillator ? excellent frequency stability TO521 ? ultra miniature size smd, reflow soldering available ? clipped sine output, tight specifications and an internal trimmer ? suited for communications equipment, cellular radios, and instrumentation. ? complies with directive 2002/95/ec (rohs compliant) specifications: to-v frequency range: 10.000 mhz ~ 26.0000 mhz operating temperature: 0 c ~ +50 c - a all dimensions are in mm -10 c ~ +60 c - b -20 c ~ +70 c - c -30 c ~ +75 c - d 0 c ~ +85 c - e -40 c ~ +85 c - l storage temperature: -40 c ~ +85 c frequency stability: vs. temperature: 1.0 ppm ~ 5.0 ppm vs. input voltage: 0.2 ppm at voltage 5% vs. load: 0.2 ppm at load 10% aging: 1.0 ppm max first year supply current: 10 mhz ~ 15 mhz 1.5 ma max 15 mhz ~ 26 mhz 2.0 ma max pulling range: tcxo - t vc-tcxo - v vss+0.5v ~ vcc ?0.5v: 5 ~ 25 ppm/v (optional) control slope: positive land pattern pin configurations start-up time: 2 msec (typical) #1 vc or nc #2 ground output waveform: clipped sine, 10k //10pf output voltage: 0.8 vp-p min. #3 output #4 supply v dd ssb phase noise: - 90 dbc/hz (offset 10hz) (typical at 12.8 mhz) -115 dbc/hz (offset 100hz) -135 dbc/hz (offset 1khz) -148 dbc/hz (offset 10khz) supply voltage: +3.3 vdc ( 0.2%) +5.0 vdc ( 0.3%) - p note: 1. other frequencies, stabilities, and operating temperature ranges available. consult vtc support for specific requirements. 2. not all combinations of the above, stabilities, and temperature ranges are available. consult vtc support if your requirement is not standard. 3. all specifications subject to change without notice. ordering information product name + operating temperature + stability + pulling range + frequency (mhz) i.e. TO521b2.5t-10.0mhz 2.5ppm/-10 c~+60 c/3.3v or TO521d2.5v8p-10.0mhz 2.5ppm/-30 c~+75 c/vc-tcxo pulling 8ppm/5.0v
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