all specifications are subject to change without notice. PRBST1122 r ev 04 0 2/25/11 saronix-ecera? is a pericom? semiconductor company ? us: +1-408-435-0800 tw: +886-3-4518888 ? www .pericom.com 3.3v pecl 122.88mhz base station vcxo PRBST1122 application specifc voltage controlled crystal oscillator 7.0 x 5.0mm package: pin functions: pin function 1 voltage control 2 enable/disable 3 ground 4 output 5 output 6 v cc recommended land pattern: part ordering information: PRBST1122 *extended high frequency power decoupling is recommended (see test circuit for minimum recommendation). to ensure optimal performance, do not route rf traces beneath the package. created using cadstd lite freeware from www.cadstd.com. non-commercial use only. created using cadstd lite freeware from www.cadstd.com. non-commercial use only. 7.0 x 5.0mm ceramic smd assp vcxo? for base station product features ? very low pk to pk jitter - 50ps max ? low supply current - 90ma max ? low power standby mode ? rohs compliant product description this is an enhanced 3.3v, 122.88mhz with superb jitter and low operating current for providing clock references in base station applications. applications ? base station 1 assp vcxo 11-0008
all specifications are subject to change without notice. PRBST1122 r ev 04 0 2/25/11 saronix-ecera? is a pericom? semiconductor company ? us: +1-408-435-0800 tw: +886-3-4518888 ? www .pericom.com 3.3v pecl 122.88mhz base station vcxo application specifc voltage controlled crystal oscillator 7.0 x 5.0mm PRBST1122 electrical performance parameter min. typ. max. units notes output frequency 122.880 mhz supply voltage v cc 3.135 3.3 3.465 v supply current, output enabled 90 ma frequency stability 50 ppm see note 1 below operating temperature range -40 +85 c output logic 0, v ol v cc - 1.62 v output logic 1, v oh v cc - 1.025 v output load 50 ohms from outputs to v cc -2v dc duty cycle 45 55 % measured 50% v cc rise and fall time 5 ns measured 20/80% of waveform jitter, phase 1 ps, rms(1- s) 12khz~20mhz frequency band jitter, peak to peak 40 ps, pk-pk 100.000 random periods phase noise -65 -50 dbc/hz at 10hz offset phase noise -90 -85 dbc/hz at 100hz offset phase noise -120 -115 dbc/hz at 1khz offset phase noise -130 -125 dbc/hz at 10khz offset phase noise -135 -130 dbc/hz at 100khz offset notes: 1. stability includes all combinations of operating temperature, load changes, rated input (supply) voltage changes, initial calibration tolerance (25c), aging (5 years at +40c average ef fective ambient temperature), shock and vibration. 2. for specifcations other than those listed, please contact sales. 2 voltage control function parameter min. typ. max. units notes pullability 80 140 ppm control voltage range 0.3 3.0 v as rated center control voltage 1.65 v for rmt nominal frequency monotonic linearity 10 % positive transfer slope input impedance 130 k control voltage pin output enable / disable function parameter min. typ. max. units notes input voltage (pin 2), output enable v ol v or open input voltage (pin 2), output disable (low power standby) v oh v output is hi-z absolute maximum ratings parameter min. typ. max. units notes storage temperature -55 +125 c for the latest product information visit: http://www.pericom.com/products/timing/oscillators/PRBST1122/ for test circuit go to : http://www.pericom.com/pdf/sre/tc_vc_pecl.pdf for soldering refow profle and reliability test ratings go to: http://www.pericom.com/pdf/sre/reflow.pdf for tape and reel information go to: http://www.pericom.com/pdf/sre/tr_7050_xo.pdf assp vcxo 11-0008
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