Part Number 855728 881.5 MHz SAW Filter Data Sheet Features • • • • • • • • For AMPS, CDMA and TDMA applications Usable bandwidth 25 MHz High attenuation No impedance matching required for operation at 50 Ω Single-ended operation Ceramic Surface Mount Package (SMP) Small size Package Pin Configuration Surface Mount 3.0 x 3.0 x 1.22 mm 1 2 3 6 5 4 1.22 NOM. 1.32 MAX. 0.69 3.00 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 - 1.0µm, over a 2 - 6µm Ni plating Subject to change or obsolescence without notice Last Updated: 14-May-2001 Page 1 of 5 Part Number 855728 881.5 MHz SAW Filter Data Sheet Electrical Specifications (1) Operating Temperature Range: (2) -30 to +80 oC Parameter (3) Minimum Typical Maximum Unit - 881.5 - MHz - 2.7 3.5 dB - 0.8 1.5 dB p-p 45 40 25 45 40 50 45 33 55 50 - dB dB dB dB dB -30 1.7:1 50 50 25 2.5:1 +80 dB Ω Ω o C 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 Terminating Source Impedance: (4) Terminating Load Impedance: (4) Operating Temperature Range Notes: 1. 2. 3. 4. 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 50 Ω Single-ended Subject to change or obsolescence without notice 50Ω 5 1,3,4,6 50Ω No impedance matching required Last Updated: 14-May-2001 Page 2 of 5 Part Number 855728 881.5 MHz SAW Filter Data Sheet Typical Performance (at +25oC) Subject to change or obsolescence without notice Last Updated: 14-May-2001 Page 3 of 5 Part Number 855728 881.5 MHz SAW Filter Data Sheet Matching Schematics 2 50 Ω Single-ended 50Ω 5 No impedance matching required 50Ω 1,3,4,6 Marking PCB Footprint 3.20 SQ .96 Marking code Sawtek logo 1.70 B XXX 1.27 .81 Pad 1 ID dot Date code .38 Date code is the day of the current year in 3-digit Julian format This footprint represents a recommendation only Dimensions shown are nominal in millimeters Tape and Reel 12.8 2.7 4.0 Sawtek logo Ø330 0.21 2.0 Ø1.5 A 1.75 5.5 Pad 1 ID dot Ø102 Ø20.2 Ø13.0 2.0 Direction of travel 12.0 3.25 1.4 3.25 4.0 A Ø1.5 Section A-A Dimensions shown are nominal in millimeters Packaging quantity: 5000 units/reel Subject to change or obsolescence without notice Last Updated: 14-May-2001 Page 4 of 5 Part Number 855728 881.5 MHz SAW Filter Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Input Power Symbol Minimum Maximum T Tstg Pin -30 -40 - +80 +85 +10 Unit o C C dBm o Warnings • • Electrostatic Sensitive Device (ESD) Avoid ultrasonic exposure Links to Additional Technical Information PCB Layout Tips Qualification Flowchart S-Parameters Soldering Profile Reel and Packaging Label 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: [email protected] Web: www.sawtek.com Or contact one of our worldwide network of sales offices, representatives or distributors Last Updated: 14-May-2001 Page 5 of 5