VT-820 Temperature Compensated Crystal Oscillator Previous Vectron Model VTM3 VT-820 Description Vectron’s VT-820 Temperature Compensated Crystal Oscillator (TCXO) is a quartz stabilized, clipped sine wave output, analog temperature compensated oscillator, operating off either 2.8, 3.0 or 3.3 volt supply, hermetically sealed 3.2x2.5 ceramic package. Features • • • • • • Applications ±0.5pmm Temperature Stability Clipped Sine Wave Output Output Frequencies to 45 MHz Fundamental Crystal Design Optional VCXO Function available Hermetically Sealed Ceramic SMD package • • • • • • • • • • Product is compliant to RoHS directive and fully compatible with lead free assembly GPS WiMAX, Wi-Fi,Wi-LAN Seismic Exploration Wireless Communications Base Stations Point to point radios Broadband Access Test Equipment Handsets Block Diagram Output VDD Crystal Analog Temperature Comp. Vcontrol or NC Gnd Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com Page1 Performance SpecifiSpecifi cationscations Table 1. Electrical Performance Parameter Output Frequency Symbol Min. fO 8 1 Supply Voltage, (Ordering Option) VDD Supply Current, 8 to 19.999MHz 20.000 to 31.9999MHz 32.000 to 45.000MHz IDD Operating Temperature, (Ordering Option) TOP Typ Max Units 45 MHz 1.5 2.0 2.5 mA +2.8, +3.0 or +3.3 Stability Over TOP,, (Ordering Option) V 0/55, -10/60, -20/70, -30/80, -30/85, -40/85 °C ±0.5, ±1.0, ±.5, ±2.0, ±2.5, ±3.0, ±4.0, ±5.0 ppm Initial Accuracy, “No Adjust” Option ±1.0 ppm Power Supply Stability ±0.2 ppm Load Stability ±0.2 ppm Aging ±1.0 ppm/yr Pull Range, (Ordering Option) TPR ±5, ±8, ±10, ±12, ±15 ppm Control Voltage to reach Pull Range 0.5 Control Voltage Impedance 500 Kohm 0.8 V Output Level2 VO p/p 2.5 Output Load V 10K II 10pF Phase Noise, 10.000MHz 10Hz 100Hz 1kHz 10kHz 100kHz dBc/Hz -91 -116 -137 -149 -150 Start Up Time 10 ms 1. The VTM3 power supply pin should be filtered, eg, a 0.1 and 0.01uf capacitor 2. The Output is DC coupled Outline Drawing Recommended Pad Layout Dimensions in mm Description 3.2±0.1 1.32±0.1 1.0±0.1 Frequency Date Code 2.5±0.1 1.02±0.1 0.45±0.1 0.8±0.1 1.60±0.1 1.27±0.1 1 2 7 6 0.9±0.1 3 8 5 0.08±0.1 Table 2. Pinout Pin # 1.3±0.1 Symbol Function 1 VC TCXO Control Voltage or Ground 2,5,7,8 TCXOPROG TCXO Programming, DO NOT CONNECT 3 GND Electrical and Lid Ground 4 fo Output Frequency 6 VDD Supply Voltage 4 0.6±0.1 Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com Page2 Outline Drawing Recommended Pad Layout 3.2±0.2 4 1.0±0.1 3 Frequency Date Code 2.5±0.2 1.65 1.25 1 2 2.60 1.0 max 1 2 0.65 Package drawing for the ±0.5ppm over -30/80°C and <±2ppm over -40/85°C stability options Table 3. Pinout 0.85 4 3 0.55±0.1 1.95 Pin # Symbol Function 1 VC TCXO Control Voltage or Ground 2 GND Electrical and Lid Ground 3 fo Output Frequency 4 VDD Supply Voltage S VCXO Function VCXO Feature: The VT-820 can be ordered with a VCXO function for applications were it will be used in a PLL, or the output frequency needs fine tune or calibration adjustments. This is a high impedance input , 500KMohm, and can be driven with an opamp or terminated with adjustable resistors etc. Pin 1 should not be left floating on the VCXO optional device. “No Adjust” Option: In applications were the VT-820 will not be used in a PLL , or the output frequency does not need fine tune adjustments, the best device to use would be a VT-820-xxx-xxx0. By using the “no adjust” option, the circuit is simplified as Vc does not need to be adjusted or set to a predetermined voltage and pin 1 should be grounded (pin 1 can be left open but should not be set to a voltage such as an RF signal or power supply voltage. S Maximum Ratings Absolute Maximum Ratings and Handling Precautions Stresses in excess of the absolute maximum ratings can permanently damage the device. Functional operation is not implied or any other excess of conditions represented in the operational sections of this data sheet. Exposure to absolute maximum ratings for extended periods may adversely affect device reliability. Although ESD protection circuitry has been designed into the VT-820, proper precautions should be taken when handling and mounting, VI employs a Human Body Model and Charged Device Model for ESD susceptibility testing and design evaluation. ESD thresholds are dependent on the circuit parameters used to define the model. Although no industry standard has been adopted for the CDM a standard resistance of 1.5kOhms and capacitance of 100pF is widely used and therefor can be used for comparison purposes. Table 4. Maximum Ratings Parameter Symbol Rating Unit Storage Temperature TSTORE -40/85 ºC Supply Voltage VDD 6 V Control Voltage VC 0/VDD V ESD, Human Body Model 1000 V ESD, Charged Device Model 1000 V Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com Page3 Table 5. Environmental Compliance Parameter Condition Mechanical Shock MIL-STD-883 Method 2002 Mechanical Vibration MIL-STD-883 Method 2007 Temperature Cycle MIL-STD-883 Method 1010 Solderability MIL-STD-883 Method 2003 Fine and Gross Leak MIL-STD-883 Method 1014 Resistance to Solvents MIL-STD-883 Method 2015 Moisture Sensitivity Level MSL1 Contact Pads Gold over Nickel The Reliability S IR Reflow Suggested IR Profile Devices are built using lead free epoxy and can be subjected to standard lead free IR reflow conditions shown in Table 5. Contact pads are gold over nickel and lower maximum temperatures can also be used, such as 220C. Table 6. Reflow Profile Parameter Symbol Value PreHeat Time Ts-min Ts-max ts 200 sec Max 150°C 200°C Ramp Up RUP 3ºC/sec Max Time above 217C tL 150 sec Max Time to Peak Temperature t25C to peak 480 sec Max Time at 260C tP 10 sec Max Time at 240C tP2 60 sec Max Tape & Reel Table 7. Tape and Reel Information Tape Dimensions (mm) Reel Dimensions (mm) W F Do Po P1 A B C D N W1 W2 #/Reel 18 1.75 1.55 4 4 178 2.5 13 22 60 11.5 15 1000 Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com Page4 Table 8. Standard Frequencies (MHz) 8.1920 10.000 10.250 12.000 12.800 13.000 13.568 14.000 14.7456 15.360 15.000 16.000 16.3670 16.366667 16.367667 16.367673 16.368 16.369 16.736 16.800 19.200 19.392658 19.440 19.6608 19.680 20.000 20.7360 22.000 23.104 24.5535 25.000 26.000 27.000 27.4560 30.150 30.400 30.720 31.7967590 37.800 38.400 39.000 40.000 41.4720 45.000 Ordering Information VT-820- E F G - 206 A- xxMxxxxxxx Frequency in MHz Tuning 0: Fixed, No tuning A: ±5ppm B: ±8ppm C: ±10ppm D: ±12ppm E: ±15ppm Product TCXO Package 2.5x3.2 Voltage Options, E: +3.3 Vdc ±5%, F: +3.0 Vdc ±5% G: +2.8 Vdc ±5% Output F: Clipped Sine Wave Temp Range R: 0 /55°C K: -10/60°C J: -20/70°C G: -30/80°C H: -30/85°C E: -40/85°C *Note: not all combination of options are available. Other specifications may be available upon request. Stability 507: ±0.5ppm 106: ±1ppm 156: ±1.5ppm 206: ±2.0ppm 256: ±2.5ppm 306: ±3.0ppm 356: ±3.5ppm 406: ±4.0ppm 506: ±5.0ppm Example: VT-820-EFG-206A-19M200000 For Additional Information, Please Contact USA: Europe: Asia: Vectron International 267 Lowell Road Hudson, NH 03051 Tel: 1.888.328.7661 Fax: 1.888.329.8328 Vectron International Landstrasse, D-74924 Neckarbischofsheim, Germany Tel: +49 (0) 3328.4784.17 Fax: +49 (0) 3328.4784.30 Vectron International 1F-2F, No 8 Workshop, No 308 Fenju Road WaiGaoQiao Free Trade Zone Pudong, Shanghai, China 200131 Tel: 86.21.5048.0777 Fax: 86.21.5048.1881 Disclaimer Vectron International reserves the right to make changes to the product(s) and or information contained herein without notice. No liability is assumed as a result of their use or application. No rights under any patent accompany the sale of any such product(s) or information. Rev: 12/07/2008 Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com Page5