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| Data Sheet Features * * * * * For WLAN applications Usable bandwidth of 16.6 MHz Balanced or Single-ended operation Ceramic Surface Mount Package (SMP) Small size Part Number 855991 465 MHz SAW Filter * Package Surface Mount 5.00 x 5.00 x 1.32 mm Pin Configuration Bottom View 1 2 3 1.32 NOM. 1.52 MAX. 5.00 1.27 0.66 8 4 7 6 5 5.00 1.27 Pin No. 2 3 6 7 1,4,5,8 Description Input return Input Output return Output Case Ground 2.08 0.64 Dimensions shown are nominal in millimeters All tolerances are 0.15mm except overall length and width 0.15/0.10mm 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 C 25-Jun-2004 Page 1 of 5 Data Sheet Operating Temperature Range: (2) 0 to +70 oC Part Number 855991 465 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency, f0 Minimum Insertion Loss Lower 1 dB Bandedge Upper 1 dB Bandedge Relative Attenuation (4) 10 - 405 MHz 405 - 440 MHz 490 - 510 MHz 510 - 580 MHz Input VSWR 456.7 - 473.3 MHz Output VSWR 456.7 - 473.3 MHz Passband Ripple 456.7 - 473.3 MHz Group Delay Ripple 456.7 - 473.3 MHz Optimal Source Impedance (5) Optimal Load Impedance (5) Notes: 1. 2. 3. 4. 5. Minimum 473.3 45 40 40 40 - Typical 465 11.9 454.5 475.9 55 50 47 55 1.4:1 1.5:1 0.5 35 50 50 Maximum 14 456.7 2.0:1 2.0:1 1.0 70 - Unit MHz dB MHz dB dB dB dB dB nsec 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 Relative to minimum insertion loss Sawtek's production specifications reflect the typical performance in a 50 Ohm single-ended system. This filter can be used in both single-ended and/or differential modes at each port. In addition, similar performance can be achieved in source and load impedances of 200 Ohms. Test Circuit: Actual matching values may vary due to PCB layout and parasitics 24nH 3 7 22pF 1,2,4,5,6,8 50 2.8nH 50 Single-ended 50 15pF Subject to change or obsolescence without notice Rev C 25-Jun-2004 Page 2 of 5 Data Sheet Part Number 855991 465 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev C 25-Jun-2004 Page 3 of 5 Data Sheet Actual matching values may vary due to PCB layout and parasitics 24nH 3 7 2.8nH Part Number 855991 465 MHz SAW Filter Matching Schematics 50 Single-ended 50 15pF 1,2,4,5,6,8 22pF 50 8pF 3 6 2.8nH 200 Balanced 18nH 200 2 8pF 1,4,5,8 7 2.8nH 10pF 200 Marking 2.28 Sawtek logo Marking code PCB Footprint 5.20 1.47 U JJJYM .84 .71 ID dot Date code .43 .84 1.47 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 ID dot 0.3 2.0 4.0 O1.5 A 1.75 5.5 Sawtek logo O102 O20.2 O13.0 2.0 Direction of travel 5.25 1.8 Section A-A 5.25 8.0 O1.5 A 12.0 Dimensions shown are nominal in millimeters Packaging quantity: 4000 units/reel Subject to change or obsolescence without notice Rev C 25-Jun-2004 Page 4 of 5 Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Part Number 855991 465 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 Subject to change or obsolescence without notice Phone: +1 (407) 886-8860 Fax: +1 (407) 886-7061 Email: custservice@sawtek.com Web: www.sawtek.com Rev C Or contact one of our worldwide Network of sales offices, Representatives or distributors 25-Jun-2004 Page 5 of 5 |
Price & Availability of 855991
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