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| Preliminary Data Sheet Features * * * * * For broadband applications Typical 3 dB bandwidth of 10 MHz Single-ended or differential operation Ceramic Surface Mount Package (SMP) Small size Part Number 855094 325 MHz SAW Filter * Package Surface Mount 7.01 x 5.51 x 1.63 mm Pin Configuration Bottom View 1 2 3 12 0.76 1.63 NOM. 1.78 MAX. 4 5 6 11 10 7.01 1.27 9 8 7 1.70 5.51 1.27 0.79 1.14 Pin No. 3 4 9 10 1,2,5,6 7,8,11,12 Description Input Input return Output Output return Case ground Case ground Dimensions shown are nominal in millimeters All tolerances are 0.15mm except overall length and width +0.13mm/-0.13mm 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 - 06-Jan-2003 Page 1 of 5 Preliminary Data Sheet Operating Temperature Range: (2) -10 to +60 oC Part Number 855094 325 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency Minimum Insertion Loss Lower 3 dB Bandedge (4) Upper 3 dB Bandedge Lower 40 dB Bandedge (4) Upper 40 dB Bandedge Amplitude Ripple Phase Linearity Group Delay Variation Relative Attenuation (4) 10 - 220 MHz 220 - 300 MHz 350 - 355 MHz 355 - 375 MHz 375 - 380 MHz 380 - 405 MHz 405 - 500 MHz Source Impedance: (5) Load Impedance: (5) Substrate Material 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 330 307.5 50 45 40 35 40 35 40 - Typical 325 9.6 318.99 332.02 315.4 339.1 0.6 9 48 55 50 45 40 45 40 45 50 50 YZ LiNbO3 Maximum 14 320 342.5 1.0 75 - Unit MHz dB MHz MHz MHz MHz dB deg nsec dB dB dB dB dB dB dB - Test Circuit: Actual matching values may vary due to PCB layout and parasitics 15nH 3 9 12pF 50 18nH 50 Single-ended 50 7pF 1,2,4,5,6 7,8,10,11,12 Subject to change or obsolescence without notice Rev - 06-Jan-2003 Page 2 of 5 Preliminary Data Sheet Part Number 855094 325 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev - 06-Jan-2003 Page 3 of 5 Preliminary Data Sheet Actual matching values may vary due to PCB layout and parasitics 15nH 3 9 18nH Part Number 855094 325 MHz SAW Filter Matching Schematics 50 Single-ended 50 7pF 1,2,4,5,6 7,8,10,11,12 12pF 50 Marking 1.34 PCB Footprint .99 .28 1.34 .28 Date code ID dot SAWTEK 855094 XXXXXX 5.71 .99 7.21 The date code consists of: day of the current year (Julian, 3 digits), last digit of the year (1 digit) and hour (2 digits) This footprint represents a recommendation only Dimensions shown are nominal in millimeters Tape and Reel 2.7 16.8 O330 ID dot 0.3 2.0 4.0 O1.5 A 1.75 7.5 7.3 16.0 O102 Direction of travel O20.2 O13.0 2.0 2.2 Section A-A 5.8 8.0 O1.5 A Dimensions shown are nominal in millimeters Packaging quantity: 3000 units/reel Subject to change or obsolescence without notice Rev - 06-Jan-2003 Page 4 of 5 Preliminary Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Part Number 855094 325 MHz SAW Filter Symbol T Tstg Minimum -10 -40 Typical +25 - Maximum +60 +85 Unit o o C C Warnings * * Electrostatic Sensitive Device (ESD) Avoid ultrasonic exposure 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 Rev - Or contact one of our worldwide network of sales offices, representatives or distributors Subject to change or obsolescence without notice 06-Jan-2003 Page 5 of 5 |
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