VFOV650 Oven Controlled Crystal Oscillator High Stability, DIL-14 package Features High stability – small package - fast warmup time Low power consumption - low drift - tight holdover Very low phase noise (-174dBc floor available) 10 MHz to 50 MHz frequencies available Accurate clock with no tuning required Voltage control function available RoHS Status Applications IEEE 1588 clock Stratum 3 holdover Wireless base stations Timing over packet Remote sensing instrumentation Electrical Specifications Parameter Frequency Range Frequency Stability Aging Total Free Run Accuracy Operating Temperature Range SSB Phase Noise Symbol Condition Min Typ 10.0 ∆F/F ∆F/F Unit 50.0 MHz ±500 ppb For fixed frequency option only See “How to Order” Chart for Available Options Initial Calibration (∆F/FNOM) ±300 Vs. Operating Temperature (Ref to +25C Frequency) ±10 ppb Vs. Supply Voltage ±2.0 ppb Per day First year 10 years ±1.0 ±0.2 ±1.5 ppb ppm ppm Over all conditions for 10 year life T L(f) Max -40 10 Hz 100 Hz 10 kHz 100 kHz 1 MHz ±2.5 ppm +85 C -110 -135 -160 -163 -163 dBc/Hz Note VCC ∆±5% After 30 days. Values for ≤ 20 MHz frequency. For frequencies above 20MHz contact factory for aging limits. For fixed frequency option only and frequency ≤20MHz See “How to Order” Chart for Available Options At 20 MHz Performance is dependent on frequency Enhanced phase noise versions available. Noise floor below -174dBc/Hz available. Contact factory for custom quotation. Supply Current ICC Steady state, 25°C still air Steady state, -40°C still air Start-up Current 160 350 500 180 mA 550 VCC=3.30V See Note 1 75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.ctscorp.com • RevC0216 Specifications are subject to change without notice 1 VFOV650 Oven Controlled Crystal Oscillator High Stability, DIL-14 package Electrical Specifications Parameter Symbol Supply Voltage VCC Output Waveform/Load Condition Min Typ Max Unit 3.13 3.3 3.46 V HCMOS/TTL Compatible Square Wave 10KOhm||15pF Symmetry 45 Rise/Fall Time TR/TF Control Voltage Range Deviation Range (Voltage control option devices only) 10KOhm || 15pf load 55 % 1.2 VC Warm-up time Note 5V Option available – contact factory 0.0 ns 3.3 V For voltage control option only From FNOM ±1.5 ppm Typical value. Actual value supplied is dependent on frequency To +/-10 ppb of 30 minute frequency 1 min at +25C Absolute Maximum Ratings Parameter Supply Break Down Voltage Storage Temperature Control Voltage Symbol Condition Min Typ Max Unit VCC -0.5 4.0 V TS -55 125 °C VC -1 6 V Note Environmental and Mechanical Conditions Parameter Mechanical Shock Condition Per MIL-STD-202, 30G, 11ms Sine Vibration MIL-STD-202, 5Gs Peak to 500 Hz Random Vibration Soldering/Processing Seal Moisture Sensitivity Level Marking Permanency RoHS Packaging MIL-STD-202F Method 214 5 Gs RMS 20 to 500Hz Hand/Wave Solder Compatible - Washable Hermetic Enclosure Fully Hermetic MSL Level 1 MIL-STD-202F, Method 215 Lead Free RoHS 6/6 compliant Antistatic Tubes Note 1: Reduced power consumption versions available – contact factory 75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.ctscorp.com • RevC0216 Specifications are subject to change without notice 2 VFOV650 Oven Controlled Crystal Oscillator High Stability, DIL-14 package How to Order FREQUENCY, MHz VFOV650 Temperature Stability Code R Temperature Range Code A B C D G Specification ±1x10 -7 -8 T ±5x10 -8 U ±2x10 V ±1x10-8 Specification 0°C to 50°C 0°C to 70°C -10°C to 60°C -20°C to 70°C -40°C to 85°C Tuning Code Specification Fixed V Voltage Control Available Stability Combinations Code R T Specification 0°C to 50°C 0°C to 70°C -10°C to 60°C -20°C to 70°C -40°C to 85°C -7 × × × × × -8 × × × × × × × × × × × о о о ±1x10 ±5x10 -8 U ±2x10 V ±1x10-8 X = Available O = Available depending on Frequency – Consult Factory Outline Drawing 0.025 [0.635] TYP Bottom View Pin # 1 Connection N/C (fixed frequency models) VC (voltage control option models) 7 8 14 GND & Case Output VCC 0.085 [2.16] DIA. STANDOFFS (4) NON-CONDUCTIVE 75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.ctscorp.com • RevC0216 Specifications are subject to change without notice 3