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 3.2 x 2.5mm smd tcxo EQ3225 tcxo description ultra-miniature 3.2 x 2.5 x 1.0mm smd package frequency range: 9.6mhz to 30.0mhz available with either cmos or clipped sinewave output may be ordered as tcxo or voltage-controlled tcxo supply voltage 3.3 volts EQ3225 tcxos are packaged in an ultra-miniature 4 pad ceramic, 3.2 x 2.5mm outline smd package. the part is available as a tcxo or as a voltage-controlled tcxo (vctcxo). output may be specified as either clipped sinewave or cmos. the part has excellent phase nose characteristics and provides a stable source of clock signals over a wide operating temperature range. EQ3225 - outlines and dimensions specification product code: EQ3225 frequency range: 9.6mhz to 30.0mhz frequency stability vs. temperature range: 2.0 or 2.5ppm vs. supply voltage (5%): 0.3ppm maximum vs. load change (5%): 0.2ppm maximum vs. ageing (at 25c): 1.0ppm maximum intitial frequency tolerance: 1.5ppm maximum operating temperature range: -30 to +80c storage temperature range: -40 to +90c supply voltage: +2.4v min., +3.6v max. current consumption cmos: 6.0ma maximum clipped sinewave: 2.0ma maximum output voltage level cmos: 80% vdd minimum clipped sinewave: 0.8v p-p minimum output load cmos: 1k//15pf clipped sinewave: 10k//10pf dynamic behaviour -20 to +80c: 0.30ppm/c -30 to -20c: 1.0ppm/c start-up time: 3.0ms max. to 90% vdd duty cycle: 60/40% harmonics: -9dbc maximum part numbers example: EQ3225-s-v10-20.000-2.5/-30+80 EQ3225 - s - v10 - 20.000 - 2.5/-30+80 series description EQ3225 control voltage: nominal 50% vdd (0v min, vdd max.) frequency deviation: 5.0ppm min., 15ppm max. EQ3225 voltage control specification offset 10hz 100hz 1khz 10khz EQ3225 (dbc/hz) -86 -115 -138 -146 ssb phase noise at 25c 9.6mhz to 30.0mhz output type t = hcmos s = clipped sinewave nominal frequency (mhz) stability over temperature ppm operating temperature range lower and upper limits c explanation: vctcxo (v10 = vctcxo 10ppm pullability.) blank for tcxo
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