Available at Digi-Key www.digikey.com 5x7mm Precision TCXO Model D75AS Description: 2111 Comprehensive Drive Aurora, Illinois 60505 Phone: 630- 851- 4722 Fax: 630- 851- 5040 www.conwin.com US Headquarters: 630-851-4722 European Headquarters: +353-61-472221 Features: The Connor-Winfield’s D75AS is a 5x7mm Surface Mount Temperature Compensated Crystal Controlled Oscillator (TCXO) with a Tri-State Clipped Sinewave output. Through the use of Analog Temperature Compensation, the D75AS is capable of holding sub 1-ppm stabilities over the 0 to 70°C temperature range. • 3.3 Vdc Operation • Clipped Sinewave Output • Frequency Stability: ± 0.25 ppm • Temperature Range: 0 to 70°C • Low Jitter <1ps RMS • Tri-State Enable/Disable Function • 5x7mm Surface Mount Package • Tape and Reel Packaging • RoHS Compliant / Pb Free D7 5A 20 S 11 .0 4 MH 4 Z Absolute Maximum Ratings Parameter Minimum Parameter Minimum Nominal - - - - - - -80 -110 -135 -150 -150 - Storage Temperature Supply Voltage (Vcc) Input Voltage -55 -0.5 -0.5 Nominal - - - Maximum 85 6.0 Vcc+0.5 Units Notes Units Notes °C Vdc Vdc Operating Specifications Nominal Frequency (Fo) Frequency Calibration @ 25 °C Frequency Stability vs. Temperature Frequency vs. Load Stability Frequency vs. Voltage Stability Static Temperature Hysteresis Freq, shift after reflow soldering Aging (1st Year) Total Frequency Tolerance Operating Temperature Range: Supply Voltage (Vcc) Supply Current (Icc) Period Jitter Integrated Phase Jitter SSB Phase Noise (Fo = 20 MHz) @ 10Hz offset @ 100Hz offset @ 1KHz offset @ 10KHz offset @ 100KHz offset Start-up Time - -1.0 -0.25 -0.25 -0.25 - -1.0 -1.0 -4.6 0 3.135 - - - 20.0 - - - - - - - - - 3.3 - 3 0.5 Maximum - 1.0 0.25 0.25 0.25 0.4 1.0 1.0 4.6 70 3.465 6 5 1.0 - - - - - 10 MHz ppm 1 ppm 2 ppm ±5% ppm ±5% ppm 3 ppm 4 ppm ppm 5 °C Vdc ±5% mA ps rms ps rms 6 dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hz ms Enable / Disable Input Characteristics (Pad 8) Parameter Enable Voltage (High) Disable Voltage (Low) Minimum Nominal 70%Vcc - - Maximum - 30%Vcc Units Notes Units Notes Vdc Vdc 7 7 Clipped Sinewave Output Characteristics Parameter Voltage Load Resistance Load Package Minimum 1.0 - - Nominal - 10K 10 Maximum - - - V pk to pk Ohm pF 8 9 Package Characteristics Hermetically sealed crystal mounted on a ceramic package Environmental Characteristics Vibration: Shock: Soldering Process; Vibration per Mil Std 883E Method 2007.3 Test Condition A Mechanical Shock per Mil Std 883E Method 2002.4 Test Condition B. RoHS compliant lead free. See soldering profile on page 2. Ordering Information Notes: Bulletin Page Revision Date Tx243 1 of 2 04 11 Mar 2014 D57AS-025.0M 1. Initial calibration @ 25°C. Specifications at time of shipment after 48 hours of operation. 2. Frequency stability vs. change in temperature. [±(Fmax - Fmin)/(2*Fo)]. 3. Frequency change after reciprocal temperature ramped over the operating range. Frequency measured before and after at 25°C 4. Within two hours after reflow 5. Inclusive of calibration @ 25C, frequency vs. change in temperature, change in supply voltage (±5%), load change (±5%), reflow soldering process and 20 years aging, referenced to Fo. 6. BW = 12 KHz to 20 MHz. 7. Leave Pad 8 unconnected if enable / disable function is not required. When tri-stated, the output stage is disabled but the oscillator and compensation circuit are still active (current consumption < 1 mA). 8. Output is AC coupled. 9. For best performance it is recommended that the circuit connected to this output should have an equivalent input capacitance of 10pF. 2111 Comprehensive Drive Aurora, Illinois 60505 Phone: 630- 851- 4722 Fax: 630- 851- 5040 www.conwin.com Package Layout Suggested Pad Layout 0.079 Max. (2.0mm) 0.276 ±0.006 (7.0mm) 0.295 (7.49mm) Keep Out Area 8 0.025(6 Places) (0.635mm) 1 0.030 (0.762mm) (4 Places) 2 10 4 260°C 220°C 180°C 150°C 120°C 0 10 s Up to 120 s 60 to 90 s Typical Typical Meets IPC/JEDEC J-STD-020C 9 7 10 4 1 5 8 0.038 (0.965mm) (4 Places) 5 2 3 0.051 (1.28mm) 0.100 (2.54mm) Bottom View Temperature 260°C 6 Top View 0.215 (5.46mm) 0.040 (1.02mm) (6 Places) 3 7 9 0.037 (0.94mm) Pin 1 1: 2: 3: 4: 5: 6: 7: 8: 9: 10: 0.051 (1.28mm) 0.030 (0.76mm) 0.197 ±0.006 (5.0mm) D75AS 1144 20.0 MHZ Pad Connections 6 * Do not route any traces in the keep out area. It is recommended the next layer under the keep out area is to be ground plane. Dimensional Tolerance: ±.005 (.127mm) ±.02 (.508mm) 0.100 (2.54mm) Design Recommendations Vcc, should have a large copper area for reduced inductance. Connect a 0.01uF bypass capacitor <0.1”(2.54mm) from the pad. 8 6 5 9 4 10 1 3 Ground, should have a large copper area for reduced inductance. Top View OSC Output Waveform 50 Ohm trace <1”by design Vcc 0.010”(0.254mm) Recommended clearance inductance for internal copper flood. Do Not Connect Do Not Connect Do Not Connect Ground Output Do Not Connect Do Not Connect Tri-State Enable / Disable Supply Voltage Vcc N/C 0 Buffer Ground 200 mV/Div Top View Ground Test Circuit 50 Ohm Trace Without Output Vias Buffer DNC DNC DNC TOP LAYER GROUND LAYER ....... 1 N/C 2 3 10 4 9 5 Ground BOTTOM LAYER Attention: To achieve optimal frequency stability, and in some cases to meet the specification stated on this data sheet, it is required that the circuit connected to this TCXO output must have the equivalent input capacitance that is specified by the nominal load capacitance. Deviations from the nominal load capacitance will have a graduated effect on the stability of approximately 20 ppb per pF load difference. Vcc Supply Voltage 8 0.1 uF Bypass 7 Enable/ DNC DNC Disable 10 nF Bypass Output 6 10K Ohm 10 pF DNC = Do Not Connect Tape and Reel Dimensions Solder Profile PIN 1 Temperature 260°C 260°C 220°C 180°C .69 (17.5mm) 8.46 DIA (216mm DIA) .08 (2.0mm) 150°C .31 .08 (7.9mm) 120°C (2.0mm) .21 (5.4mm) 9.84 DIA (250mm DIA) .157 (4.0mm) .08 (2.0mm) 3.15 (80mm) .315 (8.0mm) 0 Direction Of Feed (Customer) 10 s Up to 120 s 60 to 90 s Typical Typical .06 DIA (1.5mm DIA) Meets IPC/JEDEC J-STD-020C 1.00 DIA (25mm DIA) Bulletin .295 (7.5mm) MEETS EIA-481A and EIAJ-1009B 2,000 PCS/REEL .07 (1.75mm) .83 (16.0mm) Page Revision Date Specifications subject to change without notification. See Connor-Winfield's website for latest revision. Not intended for life support applications. All dimensions in inches. © Copyright 2013 The Connor-Winfield Corporation Tx243 2 of 2 04 11 Mar 2014