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Data Sheet Features * * * * * * For WCDMA applications Usable bandwidth of 5 MHz Low loss Single-ended operation Ceramic Surface Mount Package (SMP) Small size Part Number 855770 190 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 Input return Output Output return 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 - 08-Jan-2002 Page 1 of 5 Data Sheet Operating Temperature Range: (2) -30 to +70 oC Part Number 855770 190 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency, f0 Insertion Loss at 190 MHz Lower 5 dB Bandedge (4) Upper 5 dB Bandedge Phase Ripple 188 - 192 MHz Attenuation (4) 160 - 170 MHz 170 - 180 MHz 180 - 185.5 MHz 194.5 - 200 MHz 200 - 210 MHz 210 - 220 MHz Source Impedance (5) Load Impedance (5) Substrate Material Notes: 1. 2. 3. 4. 5. Minimum 192.4 33 27 25 25 27 33 - Typical 190 8 187.23 193.01 1.90 39.9 35.4 30.3 29.5 34.9 42.7 50 50 LiTaO3 Maximum 10 187.6 4.15 - Unit MHz dB MHz MHz deg RMS dB dB dB dB dB dB 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 insertion loss at 190 MHz This is the optimum impedance in order to achieve the performance shown Test Circuit: 56nH 1pF 2 6 47nH 1pF 33pF 50 50 Single-ended 50 33pF 1,3,4 5,7,8 Subject to change or obsolescence without notice Rev - 08-Jan-2002 Page 2 of 5 Data Sheet Part Number 855770 190 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev - 08-Jan-2002 Page 3 of 5 Data Sheet Actual matching values may vary due to PCB layout and parasitics 56nH 1pF 2 6 47nH 1pF Part Number 855770 190 MHz SAW Filter Matching Schematics 50 Single-ended 50 33pF 1,3,4 5,7,8 33pF 50 Marking 2.28 Sawtek logo Marking code PCB Footprint 5.20 1.47 A 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 - 08-Jan-2002 Page 4 of 5 Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Part Number 855770 190 MHz SAW Filter Symbol T Tstg Minimum -30 -40 Maximum +70 +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 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 - Or contact one of our worldwide network of sales offices, representatives or distributors 08-Jan-2002 Page 5 of 5 |
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