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| MODEL 1914 Miniature OCXO 9x14mm FEATURES * * * * * * * * * Industry Standard 9x14mm SMT Footprint 3.3V or 5.0V operation Commercial and Industrial temp. range LVCMOS output Frequency Stability and Holdover to Stratum 3 requirements of GR-1244 Low Phase Noise Tape & Reel Packaging Optional Voltage Control Fully compliant to RoHS Directive 2002/95/EC DESCRIPTION The CTS model 1914 is a low cost, small size, high performance SMT OCXO. APPLICATIONS: Telecom Switching Wireless Communication ELECTRICAL SPECIFICATIONS Parameter Operating Conditions Operating Temperature Range Supply Voltage Supply Power: Warm-Up: Steady State: Output Load TOP 3.3V - Standard 5.0V - Available Pmax PSS @ +25C (still air) Conditions & Remarks Min -40 3.135 4.75 5 Typical 3.300 5.0 - Max +85 3.465 5.25 2.4 0.7 15 Unit C Vdc W W pF Frequency Stability Standard Frequencies (Consult factory for different frequencies) Initial Frequency Tolerance Freq. vs Temperature (pk-pk) Freq. vs Supply Voltage Freq. vs Load Freq. vs Time (Aging) (Specifications noted apply for 3.3V supply and at +25C (still air) unless otherwise noted) 10, 12.8, fNOM 16.384, 19.2, 19.44, 20 @ 25C , at time of shipment 0C to 70C - Standard -40C to 85C - Available VCC 5% For 5% change per day (after 30 days) 15 years Standard: All causes, 24hrs Available: (Constant voltage) 30 to 50C (24 hrs) (5 days) 0 to 70C (14 days) 0.100 0.030 0.005 0.005 2.500 0.200 0.100 0.280 0.370 0.040 0.100 0.250 MHz ppm ppm ppm ppm ppm ppm ppm ppm Holdover Stability (pk-pk) Doc name : Model 1914 datasheet Page 1 - 5 X5 CTS Electronic Components, Inc. 171 Covington Drive Bloomingdale, IL 60108 U.S.A. www.ctscorp.com MODEL 1914 Miniature OCXO 9x14mm Parameter Total Free-Running Accuracy Short Term Frequency Stability Warm-Up Time Conditions & Remarks all causes for 15 years (f/fNOM) Allan Deviation 0.1 sec tau 1.0 sec tau Min - Typical - Max 4.600 0.1 0.1 Unit ppm ppb minutes @ 25C, to final frequency - 2 5 Output Parameters Output Signal Amplitude Rise/Fall Times Duty Cycle Spurious Non and Sub-harmonics 10Hz 100Hz Phase Noise (Typical @ 10 Mhz) 1kHz 10kHz 100kHz Integrated jitter f = 12 KHz thru 20 MHz 20% to 80% @ 15pf load @ 50% of output signal VOL VOH 90% VCC 45 LVCMOS Square Wave 50 -95 -125 -145 -154 -154 0.3 10% VCC 3 55 -80 -100 -80 -115 -135 -145 -145 1.0 Vdc ns % dBc dBc dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hz psec Electronic Frequency Adjustment (Optional) Control voltage Range Slope Input Impedance Linearity Positive, monotonic ZIN VC : Standard Available 0.3 0.5 9.6 1.65 2.5 1.0 3.0 4.5 10 M ohms % volts ppm Doc name : Model 1914 datasheet Page 2 - 5 X5 CTS Electronic Components, Inc. 171 Covington Drive Bloomingdale, IL 60108 U.S.A. www.ctscorp.com MODEL 1914 Miniature OCXO 9x14mm MECHANICAL SPECIFICATIONS PACKAGE DRAWING 14.30.1 [.563.004] Pad 6 Pad 5 XXMXXX CTS YYWW PAD 1 2 3 4 5 6 CONNECTION EFC (Optional) N/C GROUND/CASE OUTPUT N/C Supply Voltage - Vcc Pad 4 9.30.1 [.366.004] Pad 1 Pad 2 PAD 1 MARK Pad 3 7.0 MAX [.275] 0.94 REF [.037] 0.65 [.025] EXPOSED CONDUCTIVE MAY BE INTERNALLY CONNECTED 2 PLACES 6.35 [.250] 5.89 [.232] Pad 1 Pad 2 Pad 6 Pad 5 Pad 4 Pad 3 1.02 TYP [.040] BARRIER COVERING OVER RESIST MASK 2.54 TYP [.100] ALL DIMENSIONS ARE IN MM [INCHES]. ALL DIMENSIONS ARE NOMINAL UNLESS OTHERWISE SPECIFIED. LEAD TERMINATION FINISH: GOLD FLASH, <10 MICRO INCH, OVER Ni PLATED Cu. Doc name : Model 1914 datasheet Page 3 - 5 X5 CTS Electronic Components, Inc. 171 Covington Drive Bloomingdale, IL 60108 U.S.A. www.ctscorp.com MODEL 1914 Miniature OCXO 9x14mm MECHANICAL SPECIFICATIONS (Continued) SUGGESTED SOLDER PAD GEOMETRY 5.08 [.200] 1.40 TYP [.055] 2.54 [.100] 1.27 [.050] TYP 5.64 [.222] 7.70 [.303] 7.70 [.303] EXPOSED CONDUCTIVE KEEPOUT AREA 2 PLACES ALL DIMENSIONS ARE IN MM [INCHES]. ALL DIMENSIONS ARE NOMINAL. MAXIMUM SOLDERING PROFILE Temperature >217C Time 2.5min Note: Part is not designed to be reflowed in an inverted position. Fully compliant to RoHS Directive 2002/95/EC Co-Planarity (from seating plane): max. 0.1mm MSL: level 1 Device quantity is 500 pcs maximum per 330 mm reel 260C (Absolute max temperature) 10 sec Doc name : Model 1914 datasheet Page 4 - 5 X5 CTS Electronic Components, Inc. 171 Covington Drive Bloomingdale, IL 60108 U.S.A. www.ctscorp.com MODEL 1914 Miniature OCXO 9x14mm TAPE AND REEL INFORMATION DIMENSIONS IN MILLIMETERS 17.5 O13 4.0 16.0 O1.50 1.75 7.7 7.5 2.0 120 14.80 14.60 24.0 O60 O330 9.90 9.70 DIRECTION OF FEED O23 Device quantity is 500 pcs maximum per 330 mm reel Doc name : Model 1914 datasheet Page 5 - 5 X5 CTS Electronic Components, Inc. 171 Covington Drive Bloomingdale, IL 60108 U.S.A. www.ctscorp.com |
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