1914

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 @ +25°C (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 +25°C (still air) unless otherwise noted) 10, 12.8, fNOM 16.384, 19.2, 19.44, 20 @ 25°C , at time of shipment 0°C to 70°C - Standard -40°C to 85°C - Available VCC ± 5% For ± 5% change per day (after 30 days) 15 years Standard: All causes, 24hrs Available: (Constant voltage) 30 to 50°C (24 hrs) (5 days) 0 to 70°C (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 ٠ ٠ ٠ CTS Electronic Components, Inc. ٠ 171 Covington Drive ٠ Bloomingdale, IL 60108 ٠ U.S.A. ٠ ٠ ٠ ٠ ٠ ٠ www.ctscorp.com ٠ ٠ ٠ 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 @ 25°C, 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 ٠ ٠ ٠ CTS Electronic Components, Inc. ٠ 171 Covington Drive ٠ Bloomingdale, IL 60108 ٠ U.S.A. ٠ ٠ ٠ ٠ ٠ ٠ www.ctscorp.com ٠ ٠ ٠ MODEL 1914 Miniature OCXO 9x14mm MECHANICAL SPECIFICATIONS PACKAGE DRAWING 14.3±0.1 [.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 9.3±0.1 [.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, 217°C 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 260°C (Absolute max temperature) 10 sec Doc name : Model 1914 datasheet Page 4 - 5 X5 ٠ ٠ ٠ CTS Electronic Components, Inc. ٠ 171 Covington Drive ٠ Bloomingdale, IL 60108 ٠ U.S.A. ٠ ٠ ٠ ٠ ٠ ٠ www.ctscorp.com ٠ ٠ ٠ MODEL 1914 Miniature OCXO 9x14mm TAPE AND REEL INFORMATION DIMENSIONS IN MILLIMETERS 17.5 Ø13 4.0 16.0 Ø1.50 1.75 7.7 7.5 2.0 120° 14.80 14.60 24.0 Ø60 Ø330 9.90 9.70 DIRECTION OF FEED Ø23 Device quantity is 500 pcs maximum per 330 mm reel Doc name : Model 1914 datasheet Page 5 - 5 X5 ٠ ٠ ٠ CTS Electronic Components, Inc. ٠ 171 Covington Drive ٠ Bloomingdale, IL 60108 ٠ U.S.A. ٠ ٠ ٠ ٠ ٠ ٠ www.ctscorp.com ٠ ٠ ٠