THE CONNOR-WINFIELD CORP. 2111 COMPREHENSIVE DRIVE. AURORA, IL 60505. FAX (630) 851-5040. PHONE (630) 851-4722. WWW.CONWIN.COM PRODUCT D ATA SHEET CRYSTAL CONTROLLED OSCILLATORS 0711 OFA3BB2AA 20.0 MHZ 3.3V SURFACE MOUNT LVCMOS STRATUM 3 OCXO ABSOLUTE M AXIMUM RATING S TABLE 1.0 PARAMETER UNITS MINIMUM NOMINAL -40 - 85 °C (Vcc) -0.5 - 4.5 Vdc MINIMUM NOMINAL MAXIMUM UNITS 1.544 - 20.000 1.5 MHz ppm 1, 4 - - 0.25 ppm 2 Total Frequency Tolerance -4.6 - 4.6 ppm 3 Aging (Daily -30 - 30 ppb 4 Aging (10 years) Operating Temperature Range -2.7 -40 - 2.7 85 ppm °C 3.135 - 3.3 110 290 550 5.00 E-10 -90 -140 - 3.465 700 1 3 3 35 5 1 2 Vdc mA mA mA mA pS RMS pS RMS pS RMS Storage Temperature Supply Voltage MAXIMUM UNITS OPERATING SPECIFIC ATIONS NOTE OFA3BB2AA DESCRIPTION TABLE 2.0 PARAMETER Center Frequency (Fo) Frequency Calibration -1.5 Frequency Stability Supply Voltage Supply Current Steady State Supply Current @ 85°C Steady State Supply Current @ 25°C Steady State Supply Current @ -40°C Phase Jitter (BW =12KHz to Fo/2) Phase Jitter (BW =10Hz to Fo/2) Period Jitter Allan Variance (1 Second) SSB Phase Noise at 10Hz offset SSB Phase Noise at 10KHz offset Start-Up Time: Oscillator Warm Up Time TDEV at 1.0 seconds TDEV at 4.0 seconds (Vcc) (Icc) (Icc) (Icc) (Icc) NOTE The Connor-Winfield OFA3BB2AA is a true Surface Mount 3.3V Oven Controlled Crystal Oscillator (OCXO) with an LVCMOS logic output. The OFA3BBA2AA is designed for STRATUM 3 applications requiring tight frequency stability, low jitter over the industrial temperature range. FEATURES OCXO 3.3V OPERATION dBc/Hz dBc/Hz mS Minutes nS nS LOW JITTER <1pS RMS 5 FREQUENCY STABILITY: 0.25ppm ABSOLUTE. TEMPERATURE RANGE: -40 to 85°C LVCMOS OUTPUT CHARACTERISTICS PARAMETER LOAD Voltage (High) (Low) Current (High) (Low) Duty Cycle at 50% of Vcc Rise / Fall Time 10% to 90% (Voh) (Vol) (Ioh) (Iol) PACKAG E CHARACTERISTICS Package TABLE 3.0 MINIMUM 2.6 -4 45 - NOMINAL 50 - MAXIMUM 15 0.4 4 55 6 UNITS pF Vdc Vdc mA mA % nS NOTE FREQUENCY TOLERANCE OF ±4.6ppm OVER TEN YEARS SURFACE MOUNT PACKAGE TAPE AND REEL PACKAGING RoHS COMPLIANT / LEAD FREE ORDERING INFORMATION TABLE 4.0 Surface Mount, Non-hermetic package consisting of an FR4 substrate with grounded metal cover. PROCESS RECOMMENDATIONS TABLE 5.0 Soldering Process Wash See solder profile on page 2. Ultrasonic cleaning is not recommended OFA3BB2AA OCXO SERIES - 20MHz CENTER FREQUENCY Specifications subject to change without notice. DATA SHEET #: Cx120 PAGE 1 OF 2 REV: 01 DATE: 02/19/07 aCopyright 2001 Connor-Winfield all rights reserved. THE CONNOR-WINFIELD CORP. 2111 COMPREHENSIVE DRIVE. AURORA, IL 60505. FAX (630) 851-5040. PHONE (630) 851-4722. WWW.CONWIN.COM PRODUCT D ATA SHEET CRYSTAL CONTROLLED OSCILLATORS ENVIRONMENTAL CHARACTERISTICS Temperature Cycle: Per MIL-STD-883, Method 1010, Condition B. -55°C to 125°C, 300 cycles, 10 minute dwell, 1 minute transition. MECH ANICAL CHAR ACTERI STICS Vibration: Per MIL-STD-202, Method 204, Condition A. 10G’s peak, 10Hz to 500Hz, 15 minute cycles, 12 times each perpendicular axis. Shock: Per MIL-STD-202, Method 213, Condition F. 1500G’s, 1.0ms, half sine, 3 shocks per direction. Moisture Resistance: Per MIL-STD-202, Method 106. 95% RH @ 65°C, 10 cycles 10°C to 65°C. Notes: 1) Initial calibration @ 25°C. 2) Frequency vs. temperature stability overall, -40 to 85°C. 3) Inclusive of calibration, operating tem perature range, supply voltage change, shock and vibration and aging (10 years). 4) Specifications at time of shipment af ter 48 hours of operation. 5) Measured @ 25°C, within 5 minutes, the unit will be within +/-0.1ppm of its reference frequency, measured after 30 minutes of continuous operation at a stable 2 5°C. Solder Profile Pin Connections TABLE 6.0 Pin 1 7 8 14 Package Outline Suggested Pad Layout Function N/C Ground (Case) Output Vcc Keep Out Area 0711 OFA3BB2AA 20.0 MHz .330 max (8.382mm) .830 (21.08mm) .565 (14.35mm) Dimensional Tolerance: ±.005 (.127mm) Test Circuit POWER SUPPLY 3.3Vdc 14 8 1 7 Output Waveform 90% 50% 10% N/C Specifications subject to change without notice. DATA SHEET #: Cx120 PAGE 2 OF 2 REV: 01 DATE: 02/19/07 aCopyright 2001 Connor-Winfield all rights reserved.