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 g576 vcxo description frequency range 0.625mhz to 50.0mhz cmos/ttl output supply voltage 5.0 v or 3.3 vdc integrated phase jitter 1ps typical low cost unit g576 vcxos, are packaged in a miniature 7mm x 5mm x 1.8mm 6 pad smd package. typical phase jitter for g series vcxos is <1ps, output cmos/ttl. g series vcxos use fundamental mode crystal osccillators. applications include phase lock loop, sonet/atm, set- top boxes, mpeg , audio/video modulation, video game consoles and hdtv. 10hz -70dbc/hz 100hz -105dbc/hz 1khz -132dbc/hz 10khz -142dbc/hz 1mhz -150dbc/hz phase noise frequency range vdd = +3.3vdc: 0.625mhz to 50.0mhz vdd = +5.0vdc: 1.0mhz to 50.0mhz supply voltage: +3.3 vdc 5% or +5.0vdc5% output logic: ttl/hcmos integrated phase jitter: 1.0ps maximum 12khz to 20mhz period jitter rms: 2.0ps typical period jitter peak to peak: 14ps maximum phase noise: see table below initial frequency accuracy tune to the nominal frequency with: +3.3vdc: vc= 1.65v 0.2v +5.0 vdc: vc= 2.5v 0.2v output voltage high (1): 90% vdd minimum output voltage low (0): 10% vdd maximum control voltage centre +3.3vdc: 1.65v +5.0vdc: 2.5v control voltage range +3.3vdc: 0.3v to 3.0v +5.0vdc: 0.5v to 4.5v pulling range +3.3vdc 80ppm to 120ppm (standard) +5.0vdc: 80ppm to 150ppm (200ppm available) temperature stability: see table output load: cmos = 15pf, ttl = 2 gates start-up time: 10ms maximum, 5ms typical duty cycle: 50% 5% measured at 50% vdd rise/fall times: 0.7ns typical (15pf load) current consumption: 10 to 45ma, frequency dependent linearity: 10% maximum, 6% typical modulation bandwidth: 10khz minimum input impedance: 1 m w minimum slope polarity: monotonic and positive. ( an (transfer function) increase of control voltage always increases output frequency.) storage temperature: -50 to +100c ageing: 5ppm per year maximum rohs status: fully compliant specification frequency stability a 25 0~+70c b 50 0~+70c c 100 0~+70c d 25 -40~+85c e 50 -40~+85c f 100 -40~+85c if non-standard frequency stability is required use ?i? followed by stability, i.e. i20 for 20ppm outline & dimensions pads 2 and 5 are connected internally cmos smd 7 x 5 x 1.8mm, 6 pad 625.0khz ~ 50.0mhz stability code stability ppm temp. range offset frequency 27.0mhz part numbering example: 3g576b-80n-27.000 supply voltage 3 = +3.3v 5 = +5.0v series designator g576 stability over temperature range ( see table ) pullability in ppm pullability determinator n = minimum m = maximum t = typical frequency in mhz
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