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| HIGH FREQUENCY, LOW JITTER, LEAD OSCILLATOR FOR GIGABIT ETHERNET APPLICATIONS FEATURES VCXO LOW JITTER 3rd OVERTONE CRYSTAL DESIGN SPECIFICATIONS PARAMETER FREQUENCY, NOM SUPPLY VOLTAGE, NOM SUPPLY CURRENT, MAX HCMOS OUTPUT LEVEL DUTY CYCLE RISE AND FALL TIME SYMBOL fo Vcc Is VOH / VOL DC tr/tf MODEL VC7225A REVISON: B DATE: 11/01/01 CONDITIONS VALUE 125.00, 133.00, 156.25 Vcc 5% 5.0 Vcc=+5.0 VDC, Vc=+2.5VDC, Ta=+25C, 15pF LOAD 70.0 LOAD = 15pF 5% 4.5 / 0.5 LOAD = 15pF / 50% Vcc 40..60 20%~80%, 80%~20% Vout, MAX 3 -65 f = 10Hz -100 f = 100Hz ( f)s -125 f = 1kHz -140 f = 10kHz -145 Ta = 0C...+70C,(REF. TO +25C) 25.0 f/fc (Ta) 5.0 f/fc ( Vcc) SUPPLY VARIATION = 5% 3.0 f/fc ( Load) LOAD VARIATION = 10% (fc-fo)/fo Vcc = +5.0VDC, Vc=+2.5VDC, Ta=+25C, 15pF LOAD 5.0 20.0 f/fc ( t) t= 10 YEARS Vc DC +0.5...4.5 30.0...50.0 f/fc ( Vc) OVER THE CONTROL VOLTAGE RANGE POSITIVE SLOPE 10 f/V Zin 47.0 MBW (-3dB) Vcc = +5.0VDC, Vc=+2.5VDC, Ta=+25C, 15pF LOAD 10.0 Ta 0..+70 -40...+90 T(stg) Vcc, Vc(abs) NON-DESTRUCTIVE,DC -0.5...+7.0 UNIT MHz V mA V % nS PHASE NOISE AT FREQ. OFFSET dBc/Hz FREQ. STABILITY VS. TEMP. MAX FREQ. STABILITY VS. SUPPLY VOLT MAX FREQ. STABILITY VS. LOAD, MAX FREQ. STABILITY VS. CALIBRATION, MAX AGING CONTROL VOLTAGE FREQUENCY PULLING RANGE, MIN LINEARITY, MAX INPUT IMPEDANCE, MIN MODULATION FREQ. BANDWIDTH, MIN OPERATING TEMPERATURE RANGE STORAGE TEMPERATURE RANGE ABSOLUTE VOLTAGE RANGE PPM PPM PPM PPM PPM V PPM % k kHz C C V OUTLINE DRAWING SOLDER REFLOW PROFILE 2 4 0 C REFLO W M A R K IN G AREA T E M P E R ATU R E P R E H E ATIN G 1 5 0 C C O O LIN G 7.874 .310 C O LO R E D D O T IN D IC AT E S P IN 1LO C AT IO N 2 5 C 0.86 .034 1 0 0 s T Y P IC A L 10 s T IM E (S E C O N D S ) 0.45 .0 76 D IA .18 .00 3 D IA 6.35 T Y P .250 T Y P PACKAGING 25 PIECES PER PLASTIC TUBE 15.24 .600 1 7 4.61.27 13.2 .520 .1 8.0 05 7.62 .300 14 8 12.2 .480 20.32 .820 PIN 1 7 8 14 FUNCTION E/D CASE/GND OUTPUT Vcc EXAMPLE VC7225A-LZ-30-125.000 Raltron Electronics Corporation 10651 NW 19th St. Miami, Florida 33172 U.S.A. Tel: 305-593-6033 Fax: 305-594-3973 e-mail: sales@raltron.com Internet: http://www.raltron.com |
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