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| Preliminary Data Sheet Features * * * * * * * For 802.11a WLAN applications Usable bandwidth 17 MHz High attenuation No impedance matching required for operation at 200 Balanced operation Ceramic Surface Mount Package (SMP) Hermetic Part Number 855896 810 MHz SAW Filter * Package Surface Mount 3.00 x 3.00 x 1.22 mm Pin Configuration Bottom View 1 2 3 1.22 NOM. 1.32 MAX. 0.69 8 4 3.00 7 6 5 3.00 0.60 Pin No. 1,7 3,5 2,4,6,8 0.60 Description Input Output Case ground 1.20 0.75 Dimensions shown are nominal in millimeters All tolerances are 0.15mm except overall length and width 0.10mm Body: Al2O3 ceramic Lid: Kovar, Ni plated Terminations: Au plating 0.5 - 1.0m, over a 2 - 6m Ni plating Subject to change or obsolescence without notice Rev A 10-Aug-2004 Page 1 of 5 Preliminary Data Sheet Operating Temperature Range: (2) 0 to +70 oC Part Number 855896 810 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency Minimum Insertion Loss Lower 1.5 dB Bandedge (4) Upper 1.5 dB Bandedge Lower 15.5 dB Bandedge (4) Upper 15.5 dB Bandedge Lower 45 dB Bandedge (4) Upper 45 dB Bandedge Amplitude Variation 801.5 - 818.5 MHz Group Delay 801.5 - 818.5 MHz Group Delay Variation 801.5 - 818.5 MHz Minimum Rejection 660 - 760 MHz 860 - 960 MHz Source Impedance (5) Load Impedance (5) Notes: 1. 2. 3. 4. 5. All specifications are based on the test circuit shown below In production, devices will be tested at room temperature to a guardbanded specification to ensure electrical compliance over temperature Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances All attenuation measurements are measured relative to minimum insertion loss This is the optimum impedance in order to achieve the performance shown Minimum 818.5 790 760 45 45 - Typical 810 2.95 798.895 819.857 795.205 827.079 787.65 831.617 0.63 0.07 26.17 50.3 50.2 200 200 Maximum 4 801.5 830 860 1.5 0.1 75 - Unit MHz dB MHz MHz MHz MHz MHz MHz dB p-p sec nsec dB dB Test Circuit: 1 3 200 7 2,4,6,8 5 200 Balanced 200 No impedance matching required Subject to change or obsolescence without notice Rev A 10-Aug-2004 Page 2 of 5 Preliminary Data Sheet Part Number 855896 810 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev A 10-Aug-2004 Page 3 of 5 Preliminary Data Sheet Part Number 855896 810 MHz SAW Filter Matching Schematics 1 3 200 7 2,4,6,8 5 200 Balanced 200 No impedance matching required Marking Sawtek logo Marking code PCB Footprint 1.39 .96 AB JJJYM ID dot Date code .81 3.20 SQ .23 .81 .38 The date code consists of: JJJ = Julian day, Y = last digit of year, M = manufacturing site code This footprint represents a recommendation only Dimensions shown are nominal in millimeters Tape and Reel 2.7 12.8 O330 Sawtek logo 4.0 0.21 2.0 O1.5 A 1.75 5.5 12.0 ID dot O102 O20.2 O13.0 2.0 Direction of travel 1.4 Section A-A 3.25 3.25 4.0 O1.5 A Dimensions shown are nominal in millimeters Packaging quantity: 5000 units/reel Subject to change or obsolescence without notice Rev A 10-Aug-2004 Page 4 of 5 Preliminary Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Part Number 855896 810 MHz SAW Filter Symbol T Tstg Minimum 0 -40 Maximum +70 +85 Unit o o C C Warnings * * * Electrostatic Sensitive Device (ESD) Avoid ultrasonic exposure Material Content Does not contain lead (Pb) or other RoHS restricted materials Links to Additional Technical Information PCB Layout Tips S-Parameters Qualification Flowchart Soldering Profile Other Technical Information Sawtek's liability is limited only to the Surface Acoustic Wave (SAW) component(s) described in this data sheet. Sawtek does not accept any liability for applications, processes, circuits or assemblies which are implemented using any Sawtek component described in this data sheet. Contact Information PO Box 609501 Orlando, FL 32860-9501 USA Phone: +1 (407) 886-8860 Fax: +1 (407) 886-7061 Email: custservice@sawtek.com Web: www.sawtek.com Or contact one of our worldwide Network of sales offices, Representatives or distributors Subject to change or obsolescence without notice Rev A 10-Aug-2004 Page 5 of 5 |
Price & Availability of 855896
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