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| Data Sheet Features * * * * * * * Usable bandwidth 60 MHz High Rx attenuation No impedance matching required for operation at 50 Single-ended operation Ceramic Chip Scale Package (CSP) Hermetic RoHS compliant (2002/95/EC), Pb-free Pb Part Number 856244 1880 MHz SAW Filter * Package Surface Mount 2.00 x 1.50 x 0.76 mm Pin Configuration Bottom View 1 2 0.76 NOM. 0.84 MAX. 2.00 1.80 4 3 1.50 1.30 0.42 Pin No. 1 3 2,4 Description Input Output Case ground 0.25x45 CHAMFER 0.56 Dimensions shown are nominal in millimeters All tolerances are 0.10mm Body: Al2O3 ceramic Lid: Kovar or Alloy 42, Au over Ni plated Terminations: Au plating 0.5 - 1.0m, over a 2 - 6m Ni plating Subject to change or obsolescence without notice Rev E 05-Oct-2005 Page 1 of 6 Data Sheet Operating Temperature Range: (2) +25 oC Part Number 856244 1880 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency Maximum Insertion Loss 1850 - 1909.4 MHz Passband Variation 1850 - 1909.4 MHz Absolute Attenuation DC - 1770 MHz 1770 - 1825 MHz 1930 - 1990 MHz 1990 - 2500 MHz 2500 - 3820 MHz 3820 - 6000 MHz Input/Output Return Loss 1850 - 1909.4 MHz Optimal Source Impedance (4) Optimal Load Impedance (4) Notes: 1. 2. 3. 4. Minimum 30 21 38 35 25 15 8 - Typical 1880 2.8 0.9 34 24 44 45 30 22 10 50 50 Maximum 3.1 1.5 - Unit MHz dB dB p-p dB dB dB dB dB dB dB All specifications are based on the test circuit shown below This specification is valid for room temperature only. The specification over the full temperature range(s) is available on the next page(s) Electrical margin has been built into the design to account for the variations due to manufacturing tolerances This is the optimum impedance in order to achieve the performance shown Test Circuit: 1 3 50 50 Single-ended 50 2,4 No impedance matching required Subject to change or obsolescence without notice Rev E 05-Oct-2005 Page 2 of 6 Data Sheet Operating Temperature Range: (2) -30 to +85 oC Part Number 856244 1880 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency Maximum Insertion Loss 1850 - 1909.4 MHz Passband Variation 1850 - 1909.4 MHz Absolute Attenuation DC - 1770 MHz 1770 - 1825 MHz 1930 - 1990 MHz 1930.625 - 1990 MHz 1990 - 2500 MHz 2500 - 3820 MHz 3820 - 6000 MHz Input/Output Return Loss 1850 - 1909.4 MHz Optimal Source Impedance (4) Optimal Load Impedance (4) Notes: 1. 2. 3. 4. Minimum 30 14 28 35 35 25 15 8 - Typical 1880 3.1 0.8 34 20 44 44 45 30 22 10 50 50 Maximum 3.9 2 - Unit MHz dB dB p-p dB dB 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 This is the optimum impedance in order to achieve the performance shown Test Circuit: 1 3 50 50 Single-ended 50 2,4 No impedance matching required Subject to change or obsolescence without notice Rev E 05-Oct-2005 Page 3 of 6 Data Sheet Part Number 856244 1880 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev E 05-Oct-2005 Page 4 of 6 Data Sheet Part Number 856244 1880 MHz SAW Filter Matching Schematics 1 3 50 50 Single-ended 50 2,4 No impedance matching required Marking Marking code MFG site PCB Footprint 8M WWY ID dot Date code 0.31x45 CHAMFER 1.50 0.62 0.76 2.00 The date code consists of: WW = 2 digit week, 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 8.8 O330 ID dot 4.0 0.3 2.0 O1.5 A 1.75 2.34 O102 O20.2 O13.0 Direction of travel 2.0 3.5 8.0 4.0 O1.0 1.09 Section A-A 1.83 A Dimensions shown are nominal in millimeters Packaging quantity: 10000 units/reel Subject to change or obsolescence without notice Rev E 05-Oct-2005 Page 5 of 6 Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Part Number 856244 1880 MHz SAW Filter Symbol T Tstg Minimum -30 -40 Maximum +85 +85 Unit o o C C Important Notes Warnings * * * * Electrostatic Sensitive Device (ESD) Avoid ultrasonic exposure RoHS Compliance This product complies with EU directive 2002/95/EC (RoHS) Pb Solderability Compatible with JEDEC J-STD-020C Pb-free process, 260C peak reflow temperature (see soldering profile) Links to Additional Technical Information PCB Layout Tips S-Parameters Qualification Flowchart RoHS information 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 E Or contact one of our worldwide Network of sales offices, representatives or distributors 05-Oct-2005 Page 6 of 6 |
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