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| Data Sheet Features * * * * * * * For AMPS, CDMA and TDMA applications Usable bandwidth 25 MHz High attenuation No impedance matching required for operation at 50 Single-ended operation Ceramic Surface Mount Package (SMP) Hermetic Part Number 855728 881.5 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 3.00 6 5 4 0.75 1.50 3.00 0.75 Pin No. 2,5 1,3,4,6 Description Input/Output Case ground 0.60 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 B 28-Jul-2004 Page 1 of 5 Data Sheet Operating Temperature Range: (2) -30 to +80 oC Part Number 855728 881.5 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency Maximum Insertion Loss 869 - 894 MHz Amplitude Variation 869 - 894 MHz Absolute Attenuation 10 - 779 MHz 779 - 849 MHz 914 - 970 MHz 970 - 1049 MHz 1049 - 2000 MHz Input/Output VSWR 869 - 894 MHz Source Impedance: (4) Load Impedance: (4) Notes: 1. 2. 3. 4. Minimum 45 40 25 45 40 - Typical 881.5 2.7 0.8 50 45 33 55 50 1.7:1 50 50 Maximum 3.5 1.5 2.5:1 - Unit MHz dB dB p-p 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: 2 5 50 50 Single-ended 50 1,3,4,6 No impedance matching required Subject to change or obsolescence without notice Rev B 28-Jul-2004 Page 2 of 5 Data Sheet Part Number 855728 881.5 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev B 28-Jul-2004 Page 3 of 5 Data Sheet Part Number 855728 881.5 MHz SAW Filter Matching Schematics 2 5 50 50 Single-ended 50 1,3,4,6 No impedance matching required Marking Sawtek logo Marking code PCB Footprint 3.20 SQ .96 B JJJYM 1.70 1.27 ID dot Date code .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 ID dot O102 O20.2 O13.0 2.0 Direction of travel 12.0 3.25 1.4 Section A-A 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 B 28-Jul-2004 Page 4 of 5 Data Sheet Parameter Operating Temperature Range Storage Temperature Range Input Power Part Number 855728 881.5 MHz SAW Filter Maximum Ratings Symbol T Tstg Pin Minimum -30 -40 - Maximum +80 +85 +10 Unit C C dBm o o 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 B 28-Jul-2004 Page 5 of 5 |
Price & Availability of 855728
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