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 8 pin dual-in-line g8 vcxo industry-standard 8 pin dil package frequency range 625khz to 50.0mhz cmos/ttl output supply voltage 1.8, 2.5, 3.3 or 5.0vdc integrated phase jitter 1ps maximum outline & dimensions frequency stability: see table frequency change vs. input voltage: 5ppm max. (v dd 5%) input voltage: +1.8v5%, +2.5v5%, +3.3v5% or 5.0v10% output load ttl: 2ttl gates cmos: 15pf rise/fall time ttl: 6ns max, 4ns typ. (0.4v to 2.4v) cmos: 6ns max, 4ns typ. (20%~80% vdd) duty cycle: 5010% standard, 505% option integrated phase jitter: 1ps maximum (12khz to 20mhz) period jitter rms: 2.0ps typical period jitter peak to peak: 14ps start-up time: 10ms max., 3ms typical current consumption: 10 to 45ma, frequency dependant (27mhz: 10ma typical at 3.3v, 20ma typical at 5.0vdc) linearity: 6% typical, 10% maximum modulation bandwidth: 10khz min., measured at vcont = 1.65v or2.5v. input impedance: 1m typical slope polarity: monotonic and positive, increasing control voltage increases output frequency. ageing: 3ppm per year maximum rohs status: rohs compliant and lead (pb) free supply voltage-dependent specification 625.0khz ~ 50.0mhz input voltage (vdd): vdd = +1.8vdc 5% vdd = +2.5vdc 5% vdd = +3.3vdc 5% vdd = +5.0vdc 10% frequency range*: 16.0mhz ~ 50.0mhz 0.625mhz ~ 50.0mhz 0.625mhz ~ 50.0mhz 1.0mhz ~ 50.0mhz output waveform: ttl/cmos ttl/cmos ttl/cmos ttl/cmos initial frequency accuracy: to tune to nominal fr. with vc=0.90.15v to tune to nominal fr. with vc=1.250.2v to tune to nominal fr. with vc=1.650.2v to tune to nominal fr. with vc=2.50.2v output logic high '1' ttl: - - - - - - - - 2.4v (min.) 2.4v (min.) cmos: 1.62v (min.) 2.25v (min.) 2.97v (min.) 4.5v (min.) output logic low '0' ttl: - - - - - - - - 0.4v (max.) 0.4v (max.) cmos: 0.183v (max.) 0.25v (max.) 0.33 (max.) 0.5v (max.) frequency deviation range: standard: 80ppm (min.) standard: 80ppm (min.) standard: 80ppm (min.) std: 80ppm (min.) 200ppm available control voltage centre 0.9vdc 1.25vdc 1.62vdc 2.5vdc control voltage range: 0v to 1.8v 025v to 2.25v 0.3v to 3.0v 0.5v to 1.5v general specification page 1 of 2 description & applications g8 vcxos are packaged in the industry-standard 8 pin dual-in-line package. g series vcxos use fundamental mode crystal oscillators for low phase noise. applications include phase lock loop, sonet/atm, set-top boxes, mpeg , audio/video modulation, video game consoles, fibre channel, fpgas, data acquisition and hdtv.
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 part numbering procedure supply voltage 18 = +1.8v 25 = +2.5v 3 = +3.3v 5 = +5.0v part type code g8 stability over temperature range a, b, c, d, e or f (see table above) pulling range ppm pull range determinator m = maximum n = minimum t = typical (tolerance is 20%) centre frequency in mhz example = 3g8b-80n-27.000 frequency stability over operating temperature range part number codes stability 25ppm 50ppm 100ppm commercial 'c' -10 to +70c a b c industrial 'i' -40 to +85c d e f 3 g8 b - 80 n - 27.000 phase noise 27.0mhz 3.3v supply offset: 10hz 100hz 1khz 10khz 100khz 1mhz -40dbc/hz -104dbc/hz -132dbc/hz -147dbc/hz -152dbc/hz -150dbc/hz page 2 of 2 8 pin dual-in-line g8 vcxo 625.0khz ~ 50.0mhz
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