Voltage Controlled Crystal Oscillator CVXO-018T Model 5×7 mm SMD, 3.3V, HCMOS Frequency Range: Frequency Stability: Temperature Range: Operating: (Option M) (Option X) Storage: Input Voltage: Control Voltage: Settability* At Nominal: Frequency Pulling: Input Current: Output: Load: Symmetry: Rise/Fall Time: Logic: 1 MHz to 52 MHz ±25ppm to ±100ppm 0°C to 70°C -20°C to 70°C -40°C to 85°C -45°C to 90°C 3.3V ±0.3V 1.65V ±1.65V 1.65V ±0.25V ±100ppm Min 10mA Max HCMOS 15pF 40/60% Max @ 50% Vdd 5ns Max @ 20% to 80% Vdd "0" = 10% Vdd Max "1" = 90% Vdd Min ±10% Max <3ppm 1st year, <1ppm every year thereafter Linearity: Aging: Dimensions inches (mm) All dimensions are Max unless otherwise specified. Designed to meet today's requirements for 3.3V Voltage Controlled Crystal Oscillator SMD Applications. The CVXO-018T provides a disable function for ICT (in-circuit-testing). Available on 16mm tape and reel in quantities of 1K. SUGGESTED PAD LAYOUT 0.055 Typ (1.40 Typ) 0.071 SQ (1.80) 0.045 ±0.008 (1.14 ±0.20) 0.276 ±0.008 (7.00 ±0.20) P/N Frequency YYWW XX 0.197 ±0.008 (5.00 ±0.20) #1 #2 #3 #6 #5 #4 0.071 (1.80) Denotes pad 1 YYWW=Date Code XX=Lot Code 0.148 (3.75) 0.100 (2.54) 0.200 (5.08) 0.200 (5.08) 0.01uF Bypass Capacitor Recommended TEMPERATURE RECOMMENDED REFLOW SOLDERING PROFILE Ramp-Up 3°C/Sec Max. 260°C 217°C Critical Temperature Zone Ramp-Down 6°C/Sec. Crystek Part Number Guide CVXO - 018T - X - 25 - 49.152 200°C #1 #2 #3 #4 150°C Preheat 180 Secs. Max. 8 Minutes Max. #1 Crystek VCXO #2 Model #3 Temp. Range: Blank= 0/70°C, M= -20/70°C, X= -40/85°C #4 Stability: (see Table 1) #5 Frequency in MHz: 3 or 6 decimal places 90 Secs. Max. 260°C for 10 Secs. Max. Connection 1 2 3 4 5 6 Volt Cont. Enable/Disable GND Ouput N/C Vdd Blank (std) 25 50 ± 100ppm ± 25ppm ± 50ppm Table 1 Enable/Disable Function pin 2 Output pin Open "1" level Vdd-0.4 Min "0" level 0.4 Max Active Active High Z Specifications subject to change without notice. *Settability is the Control Voltage at which the Output Frequency is equal to the nominal Frequency. C Stability Indicator Example: CVXO-018TX-25-25.000 = 3.3V, -40/85°C, 40/60, 25ppm, 25.000 MHz CVXO-018T-50-19.660800 = 3.3V, 0/70°C, 40/60, 50ppm, 19.660800 MHz NOTE: Reflow Profile with 240°C peak also acceptable. PIN #5 CRYSTEK CORPORATION Rev: L Date: 10-May-2016 Page 1 of 1 12730 Commonwealth Drive • Fort Myers, Florida 33913 Phone: 239-561-3311 • 800-237-3061 Fax: 239-561-1025 • www.crystek.com