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| Data Sheet Features * * * * * * * * For GSM-850 applications Usable bandwidth of 25 MHz Compatible with leading chipset suppliers Ultra low loss Single-ended input, 50 Balanced output, 200 Chip Scale Package (CSP) Hermetic Part Number 856441 881.5 MHz SAW Filter * Package Surface Mount 1.50 x 1.50 x 0.76 mm Pin Configuration Bottom View 1 2 3 0.76 NOM. 0.84 MAX. 1.50 1.35 0.60 0.55 6 5 4 1.50 0.40 0.25 1.35 Pin No. 2 4,6 1,3,5 Description Input Output Case ground 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 C 08-Dec-2004 Page 1 of 6 Data Sheet Operating Temperature Range: (2) +25 oC Part Number 856441 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 - 824 MHz 824 - 842 MHz 842 - 849 MHz 914 - 970 MHz 970 - 2607 MHz 2607 - 2682 MHz 2682 - 4345 MHz 4345 - 4470 MHz 4470 - 6000 MHz Output Amplitude Balance (|S31/S21|) 869 - 894 MHz Output Phase Balance [(S31)-S21+180] 869 - 894 MHz Input/Output VSWR 869 - 894 MHz Source Impedance (4) Load Impedance (Balanced) (4) Notes: 1. 2. 3. 4. Minimum 30 30 22 18 22 41 38 37 38 -1 -10 - Typical 881.5 1.2 0.4 42 35 24 19.5 30 52 40 55 42 0.7 7 1.7 50 200||30nH Maximum 1.5 1.2 1 10 2.5 - Unit MHz dB dB p-p dB dB dB dB dB dB dB dB dB dB degree 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 4 30nH 50 1,3,5 6 200 50 Single-ended Input 200 Balanced Output Subject to change or obsolescence without notice Rev C 08-Dec-2004 Page 2 of 6 Data Sheet Operating Temperature Range: (2) -25 to +80 oC Part Number 856441 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 - 824 MHz 824 - 842 MHz 842 - 849 MHz 914 - 970 MHz 970 - 2607 MHz 2607 - 2682 MHz 2682 - 4345 MHz 4345 - 4470 MHz 4470 - 6000 MHz Output Amplitude Balance (|S31/S21|) 869 - 894 MHz Output Phase Balance [(S31)-S21+180] 869 - 894 MHz Input/Output VSWR 869 - 894 MHz Source Impedance (4) Load Impedance (Balanced) (4) Notes: 1. 2. 3. 4. Minimum 30 30 22 18 22 41 38 37 38 -1 -10 - Typical 881.5 1.2 0.4 42 35 24 19.5 30 52 40 55 42 0.7 7 1.7 50 200||30nH Maximum 1.9 1.2 1 10 2.5 - Unit MHz dB dB p-p dB dB dB dB dB dB dB dB dB dB degree 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 4 30nH 50 1,3,5 6 200 50 Single-ended Input 200 Balanced Output Subject to change or obsolescence without notice Rev C 08-Dec-2004 Page 3 of 6 Data Sheet Part Number 856441 881.5 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev C 08-Dec-2004 Page 4 of 6 Data Sheet Part Number 856441 881.5 MHz SAW Filter Matching Schematics 2 4 30nH 50 1,3,5 6 200 50 Single-ended Input 200 Balanced Output Marking Marking code MFG site PCB Footprint 1.45 0.35 7 M 1.45 WWY ID dot 0.50 0.70 Date code 0.20 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 0.25 4.0 2.0 O1.5 A 1.75 3.5 8.0 1.83 O102 O20.2 O13.0 Direction of travel 2.0 1.09 Section A-A 1.83 4.0 O1.0 A Dimensions shown are nominal in millimeters Packaging quantity: 10000 units/reel Subject to change or obsolescence without notice Rev C 08-Dec-2004 Page 5 of 6 Data Sheet Parameter Operating Temperature Range Storage Temperature Range Part Number 856441 881.5 MHz SAW Filter Maximum Ratings Symbol T Tstg Minimum -25 -40 Maximum +80 +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 08-Dec-2004 Page 6 of 6 |
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