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| VS-720 Voltage Controlled SAW Oscillator VS-720 Voltage Controlled SAW Oscillator Features * Industry Standard Package, 5.0 x 7.5 x 2.0 mm * ASIC Technology For Ultra Low Jitter 0.100 ps-rms typical across 12 kHz to 20 MHz BW 0.120 ps-rms typical across 50 kHz to 80 MHz BW * Output Frequencies from 150 MHz to 800 MHz * Absolute Pull Range (APR) up to 100 ppm * 3.3 V Operation * LV-PECL or LVDS Configuration with Fast Transition Times * Complementary Outputs * Output Disable Feature * Improved Temperature Stability over Standard VCSO Product is free of lead and compliant to EC RoHS Directive Applications PLL circuits for Clock Smoothing and Frequency Translation Description * 1-2-4 Gigabit Fibre Channel * 10 Gigabit Fibre Channel * 10GbE LAN / WAN * OC-192 * SONET / SDH Standard INCITS 352-2002 INCITS 364-2003 IEEE 802.3ae ITU-T G.709 GR-253-CORE Issue3 Description The VS-720 is a Voltage Controlled SAW Oscillator that achieves low phase noise and very low jitter performance. The VS-720 is housed in an industry standard 6-Pad leadless ceramic package that is hermetically sealed. Packaging options include bulk or tape and reel Vectron International, 267 Lowell Rd, Hudson NH 03051-4916 Page 1 of 7 Tel: 1-88-VECTRON-1 Website: www.vectron.com Rev: 3 April 2007 VS-720 Voltage Controlled SAW Oscillator Electrical Performance Parameter Frequency Nominal Frequency Absolute Pull Range Linearity Gain Transfer (See Pg 5) Temperature Stability Supply Voltage Current (No Load) Outputs Mid Level - LVPECL Swing - LVPECL Mid Level - LVDS Swing - LVDS Current Rise Time Fall Time Symmetry Jitter (12 kHz - 20 MHz BW) 622.08 MHz Jitter (50 kHz - 80 MHz BW) 622.08 MHz Period Jitter, RMS (622.08 MHz) Period Jitter, Peak - Peak (622.08 MHz) Harmonic Suppression Control Voltage Control Voltage Range for APR Control Voltage Input Impedance Control Voltage Modulation BW Operating Temp. (Ordering Option) Package Size 1. 2. 3. 4. 5. 6. 7. 8. 9. Symbol fN APR Lin KV fSTAB VCC ICC Minimum 150 50 Typical Maximum 800 10 Units MHz ppm % ppm/V ppm V mA V mV-pp V mV-pp mA ps ps % ps-rms ps-rms ps-rms ps pk-pk dBc V K KHz C mm Notes 1,2,3 1,2,8 2,4,8 2,8 1 2,3 3 2,3 2,3 2,3 2,3 6 5,6 5,6 2,3 6,7 6,7 9 9 6 2,8 6 6 1,3 +100 20 2.97 3.3 55 Vcc-1.25 600 Vcc-2.3 350 250 250 50 0.100 0.120 3.0 20 60 3.63 70 Vcc-1.0 750 VCC-2.5 450 20 500 500 55 0.250 0.300 4.0 30 Vcc-1.4 450 VCC-2.4 250 IOUT tR tF SYM J J J J 45 50 VC ZIN BW TOP 0.3 75 50 3.0 0/70,-20/70 or -40/85 5.0 x 7.5 x 2.0 See Standard Frequencies and Ordering Information tables (Pg 7) for more specific information Parameters are tested with production test circuit below (Fig 1). Parameters are tested at ambient temperature with test limits guard-banded for specified operating temperature. Measured as the maximum deviation from the best straight-line fit, per MIL-0-55310. Measured from 20% to 80% of a full output swing (Fig 2). Not tested in production, guaranteed by design, verified at qualification. Integrated across stated bandwidth per GR-253-CORE Issue3. Tested with Vc = 0.3V to 3.0V unless otherwise stated in part description Broadband Period Jitter measured using Lecroy Wavemaster 8600A 6 GHz Oscilloscope, 250K samples taken (-1.3V to +2.0V) Enable, Disable (-1.3V, +2.0V) 1 6 (+2.0V) tR 80% tF SYM = 100 x tA / tB Vcc - 1.0V 2 5 COutput (-1.3V) 3 4 50 Output Vcc - 1.3V 20% Vcc - 1.6V 50 Test Circuit Notes: 1) To Permit 50 Measurement of Outputs, all DC Inputs are Biased Down 1.3V. 2) All Voltage Sources Contain Bypass Capacitors to Minimize Supply Noise. 3) 50 Terminations are Within Test Equipment. tA tB Figure 1. Test Circuit Vectron International, 267 Lowell Rd, Hudson NH 03051-4916 Page 2 of 7 Figure 2. 10K LV-PECL Waveform Tel: 1-88-VECTRON-1 Website: www.vectron.com Rev: 3 April 2007 VS-720 Voltage Controlled SAW Oscillator Outline Diagram Suggested Pad Layout 1.96 [0.077] 3.66 [0.144] 1.78 [0.070] 2.54 [0.100] 5.08 [0.200] mm [inch] Standard Pin Out Pin 1 2 3 4 5 6 Symbol VC OE 1 Function VCXO Enable = LV-CMOS logic 0 or Ground, Disable = LV-CMOS logic 1 Case and Electrical Ground Output Complementary Output Power Supply Voltage (3.3V 10%) GND Output COutput VCC Note 1: For proper operation disable pin can not be left floating. See page 7 for alternative input logic option Tape and Reel (EIA-481-2-A) Po F W ODo W2 C N A D P1 W1 B Tape Dimensions (mm) Dimension Tolerance VS-720 Reel Dimensions (mm) F Do Typ 1.5 W Typ 16 Po Typ 4 P1 Typ 8 A Typ 178 B Min 1.5 C Typ 13 D Min 20.2 N Min 50 W1 Typ 16.4 W2 Max 22.4 Typ 7.5 # Per Reel 200 Page 3 of 7 Vectron International 267 Lowell Rd, Hudson NH 03051-4916 Tel: 1-88-VECTRON-1 Website: www.vectron.com Rev: 3 April 2007 VS-720 Voltage Controlled SAW Oscillator Absolute Maximum Ratings Parameter Power Supply Output Current Voltage Control Range Storage Temperature Soldering Temp/Time Symbol VCC Iout VC TS TLS Ratings 0 to 4 25 0 to VCC -55 to 125 260/40 Unit V mA V C C/sec Stresses in excess of the absolute maximum ratings can permanently damage the device. Functional operation is not implied at these or any other conditions in excess of conditions represented in the operational sections of this datasheet. Exposure to absolute maximum ratings for extended periods may adversely affect device reliability. Permanent damage is also possible if OD or Vc is applied before Vcc. Suggested Output Load Configurations +3.3V 0.10 F 0.01 F 0.10 F 0.01 F 150 150 +3.3V +3.3V Vc OD Gnd 1 2 3 6 5 4 Vcc COutput Output Z = 50 Z = 50 100 Vc OD Gnd 1 2 3 6 5 4 Vcc COutput Output Z = 50 Z = 50 40 40 49 49 240 240 LV-PECL to LV-PECL: For short transmission lengths, the power consumption could be reduced by removing the 100 resistor and doubling the value of the pull down resistors. LV-PECL to LVDS: Restricted for short transmission lengths. Configuration may require modification depending on LVDS receiver. 0.10 F 0.01 F +3.3V 0.10 F 0.01 F +2.0V Vc OD Gnd 1 2 3 6 5 4 Vcc COutput Output 0.01 F 0.01 F Vc OD -1.3V 1 2 3 6 5 4 Vcc COutput Output 240 240 Functional Test: Allows standard power supply configuration. Since AC coupled, the LV-PECL levels cannot be measured. Production Test: Allows direct DC coupling into 50 measurement equipment. Must bias the power supplys as shown. Similar to Figure 1. Page 4 of 7 Vectron International 267 Lowell Rd Hudson NH 03051-4916 Tel: 1-88-VECTRON-1 Website: www.vectron.com Rev: 3 April 2007 VS-720 Voltage Controlled SAW Oscillator Typical Gain Transfer 150 100 50 P ll (p m u p) 0 -50 VS-720 pull, 622 MHz Linear (VS-720 pull, 622 MHz) -100 -150 0.00 0.50 1.00 1.50 2.00 2.50 3.00 Control Voltage (volts) Typical Phase Noise 0 VS-720-LFF-GAB- 622.0800 MHz -10 -20 -30 -40 Phase Noise Level (dBc/Hz) -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 10 100 1000 10000 100000 1000000 10000000 100000000 Frequency Offset (Hz) Page 5 of 7 Vectron International 267 Lowell Rd Hudson NH 03051-4916 Tel: 1-88-VECTRON-1 Website: www.vectron.com Rev: 3 April 2007 Jitter OC48 (12kHz to 20MHz) 0.08 ps-rms or 0.56 ps-pp Jitter OC192 (50kHz to 80MHz) 0.11 ps-rms or 0.80 pp-rms Phase Noise at Specific Frequency Offsets 10Hz -46 dBc/Hz 100Hz -80 dBc/Hz 1000Hz -110 dBc/Hz 10kHz -130 dBc/Hz 100kHz -134 dBc/Hz 1MHz -138 dBc/Hz 10MHz -147 dBc/Hz 20MHz -147 dBc/Hz 40MHz -148 dBc/Hz VS-720 Voltage Controlled SAW Oscillator Reliability VI qualification includes aging at various extreme temperatures, shock and vibration, temperature cycling, and IR reflow simulation. The VS-720 family is capable of meeting the following qualification tests: Environmental Compliance Parameter Mechanical Shock Mechanical Vibration Solderability Gross and Fine Leak Resistance to Solvents Conditions MIL-STD-883, Method 2002 MIL-STD-883, Method 2007 MIL-STD-883, Method 2003 MIL-STD-883, Method 1014 MIL-STD-883, Method 2016 Handling Precautions Although ESD protection circuitry has been designed into the VS-720 proper precautions should be taken when handling and mounting. VI employs a human body model (HBM) and a Man Man method (MM) for ESD susceptibility testing and design protection evaluation. ESD Ratings Model Human Body Model Man Man Model Minimum 1500 V 200 V Conditions MIL-STD 883, Method 3015 V/JESD22-A115-A Reflow Profile (IPC/JEDEC J-STD-020C) Parameter PreHeat Time Ramp Up Time Above 217 oC Time To Peak Temperature Time At 260 oC Ramp Down Symbol tS R UP tL t AMB-P tP R DN Value 60 sec Min, 180 sec Max 3 oC/sec Max 60 sec Min, 150 sec Max 480 sec Max 20 sec Min, 40 sec Max 6 oC/sec Max tL R UP tP R DN 260 Temperature (DegC) The device is qualified to meet the JEDEC standard for Pb-Free assembly. The temperatures and time intervals listed are based on the Pb-Free small body requirements. The VS-720 device is hermetically sealed so an aqueous wash is not an issue. Termination Plating: Electroless Gold Plate over Nickel Plate 217 200 150 tS t AMB-P 25 Time (sec) Vectron International Page 6 of 7 267 Lowell Rd Hudson NH 03051-4916 Tel: 1-88-VECTRON-1 Website: www.vectron.com Rev: 3 April 2007 VS-720 Voltage Controlled SAW Oscillator Standard Output Frequencies (MHz) *155.5200 240.0000 375.0000 537.6000 672.1627 *156.2500 245.7600 389.6000 600.0000 690.5692 *160.0000 250.0000 400.0000 622.0800 693.4830 *175.0000 311.0400 425.0000 625.0000 704.3806 *187.5000 312.5000 480.0000 644.5313 707.3527 *194.8000 320.0000 491.5200 657.4219 720.0000 *200.0000 324.0000 500.0000 666.5143 768.0000 212.5000 350.0000 531.2500 669.3266 796.8750 Frequencies not shown are available upon request. *VC-710 is preferred VCXO for frequencies 200 MHz Revision Control A B 6/28/06 4/03/07 Vectron Prod Mgt. Vectron Prod Mgt. Release of VS-720 Datasheet Updates to APR, Freq, & Harmonic Spec Ordering Information VS - 720 - L F F - G A A - xxx.xxx Product Family VS = VCSO Frequency 150 - 800 MHz Package 720 = 5.0 x 7.5 x 2.0 mm 6 Pad Ceramic SMD Performance Options A = Default Option B = Lowest Phase Noise C = 5% maximum Linearity D = + 20 ppm maximum Temperature Stability Input L = 3.3 Vdc 10% Enable/Disable Input Logic (LV-CMOS) A = Pin 2: Enable Low (or Gnd)/Disable High B = Pin 2: Enable High (or Vcc)/Disable Low Output F = LVPECL (45/55% Symmetry) P = LVDS (45/55% Symmetry) Absolute Pull Range Options C = 20 ppm minimum F = 32 ppm minimum G = 50 ppm minimum (default value) N = 80 ppm minimum H = 100 ppm minimum Operating Temperature C = 0C to 70C D = -20C to 70C F = -40C to 85C Not all combinations are possible For Additional Information, Please Contact: USA: Vectron International, 267 Lowell Rd, Hudson, NH 03051 . . . . Tel: 1-88-VECTRON-1 EUROPE: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tel: +49 (0) 3328-4784-17 ASIA: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tel: +86-21-28909740 Fax: 1-888-FAX-VECTRON Fax: +49 (0) 3328-4784-30 Fax: +86-21-28909240 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. Page 7 of 7 Vectron International 267 Lowell Rd Hudson NH 03051-4916 Tel: 1-88-VECTRON-1 Website: www.vectron.com Rev: 3 April 2007 |
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