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| CXOHD4 / CXOHVD4 Model 4 Pin SMD, 3.3V & 5V, HCMOS/TTL Frequency Range: Frequency Stability: Freq. Stability vs Volt: Freq. Stability vs Load: Temperature Range: Storage: Input Voltage: Mech. Trim. Range: (Option V) Input Current: Output: Symmetry: (Option Y) Rise/Fall Time: Output Voltage: Load: Phase Noise Typ.: 1MHz to 38.88MHz 1ppm to 5ppm 0.5ppm Max 0.3ppm Max -40C to 85C -55C to 120C 3.3V or 5V 5% 3ppm Min Voltage Trim Pin 1 15mA Typ, 30mA Max HCMOS/TTL 40/60% Max @ 50% Vdd 45/55% Max 4ns Typ, 10ns Max "0" = 10% Vdd Max "1" = 90% Vdd Min 15pF/10TTL Max -100dBc/Hz -130dBc/Hz -140dBc/Hz -145dBc/Hz -150dBc/Hz <1ppm Max/yr Designed to meet today's requirements for tighter frequency stability tolerance while reducing unit cost. VCTCXO Specification Voltage Trim Pin 1: Control Voltage: 5ppm Min (5V) 2.5V 2.5V (3.3V) 1.65V 1.65V 10Hz 100HZ 1kHz 10kHz 100kHz Aging: 0.878 (22.3) 0.732 (18.60) Dimensions inches (mm) All dimensions are Max unless otherwise specified. 0.019 0.004 (0.5 0.1) #1 0.480 (12.20) #4 #2 PIN 1 2 3 4 Function VT or NC GND OUT Vcc 0.177 (4.5) CRYSTEK Freq DC Bottom View #3 0.311 0.020 (7.9 0.5) 0.197 (5.0) 0.614 0.020 (15.6 0.5) 0.157 (4.00) + + PWR Supply mA M pin 14 + VM OSC. pin 1 pin 7 pin 8 OUT O/P Load (incl. Probe Cl) Crystek Part Number Guide CXOHVD4 - B C 3 Y - 25.000 #1 #2 #3 #4 #5 #6 #7 Option #1 #2 #3 #4 #5 #6 #7 Crystek TCXO 4 Pin SMD HCMOS/TTL V or blank = (V = Volt.Trim) (Blank = Mech. Trim) Letter = Operating Temperature (see table 1) Letter = Frequency Stability (see table 1) 3 or blank = Input Volt (3 = 3.3 volts) (Blank= 5V) Y or blank = Symmetry (Y=45/55) (Blank = 40/60) Frequency in MHz: 3 or 6 decimal places Operating Temperature A B C D E F G H Freq. Stability ( ppm) 1.0 1.5 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.5 2.5 2.5 2.5 2.5 2.5 2.5 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 P A B C D 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 E 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 F 0C to 50C -10C to 60C -10C to 70C -20C to 70C -30C to 60C -30C to 70C -30C to 75C -40C to 85C Example: CXOHD4-BC3Y-25.000 = mech. trim, -10/60, 2.5ppm, 3.3V, 45/55%, 25.000MHz CXOHVD4-BCY-25.000 = volt. trim, -10/60, 2.5ppm, 3.3V, 45/55%, 25.000MHz Specifications subject to change without notice. Table 1 TD-020815 Rev. E CRYSTEK CORPORATION 12730 Commonwealth Drive * Fort Myers, Florida 33913 Phone: 239-561-3311 * 800-237-3061 Fax: 239-561-1025 * www.crystek.com |
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