Preliminary Data Sheet Part Number 856129 44 MHz SAW Filter Features • • • • • • For cable headend IF applications Usable bandwidth 6.0 MHz High attenuation Single-ended operation Ceramic Surface Mount Package (SMP) Package Pin Configuration Surface Mount 24.6 x 9.00 x 2.31 mm Bottom View 1 2 3 4 5 2.31 NOM. 2.62 MAX. 10 9 8 7 6 1.02 24.6 1.91 1.80 R0.5 9.00 2.31 3.53 x 4.83 1.02 Pin No. 1 5 6 10 2,3,4 7,8,9 Description Input return Output Output return Input Case Ground Case Ground Dimensions shown are nominal in millimeters All tolerances are ±0.15mm except overall length ±0.20mm and width +0.13/-0.20mm 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 Rev - 05-Feb-2003 Page 1 of 5 Part Number 856129 44 MHz SAW Filter Preliminary Data Sheet Electrical Specifications (1) Operating Temperature: (2) +25 oC Parameter (3) Minimum Typical Maximum Unit 47.0 40.0 - 44.0 20.8 40.95 47.07 40.35 47.75 22.0 41.0 48 MHz dB MHz MHz MHz MHz - 0.63 0.75 dB - 3.35 4.25 deg - 80 100 µsec 38 38 - 45 45 50 50 - dB dB Ω Ω Center Frequency Minimum Insertion Loss Lower 3 dB Bandedge (4) Upper 3 dB Bandedge Lower 38 dB Bandedge (4) Upper 38 dB Bandedge Passband Variation 41.5 - 46.5 MHz Phase Linearity 41.9 - 46.1 MHz Group Delay Variation 41.9 - 46.1 MHz Stopband Attenuation (4) 24 - 40 MHz 48 - 84 MHz Source Impedance (5) Load Impedance (5) Notes: 1. 2. 3. 4. 5. All specifications are based on the test circuit shown below This specification is valid for room temperature only Electrical margin has been built into the design to account for the variations due to manufacturing tolerances All attenuation measurements are measured relative to minimum insertion loss This is the optimum impedance in order to achieve the performance shown Test Circuit: 10 50 Ω Single-ended 50Ω Subject to change or obsolescence without notice 5 1,2,3,4 6,7,8,9 50Ω Rev - No impedance matching required 05-Feb-2003 Page 2 of 5 Preliminary Data Sheet Part Number 856129 44 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev - 05-Feb-2003 Page 3 of 5 Part Number 856129 44 MHz SAW Filter Preliminary Data Sheet Matching Schematics 10 50 Ω Single-ended 50Ω 5 No impedance matching required 50Ω 1,2,3,4 6,7,8,9 Marking PCB Footprint 8.84 SAWTEK 856129 XXXXXX ID dot 9.19 Date code 1.95 Date code is the day of the current year in Julian format, last digit of the year, and hour of the day .69 1.22 This footprint represents a recommendation only Dimensions shown are nominal in millimeters Tape and Reel 2.7 44.8 Ø330 0.36 ID dot 4.0 2.0 Ø1.5 A 1.75 20.2 44 25.6 Ø102 Ø20.2 Ø13.0 2.0 Direction of travel 2.6 Section A-A 9.39 12.0 Ø1.5 A Dimensions shown are nominal in millimeters Packaging quantity: 1000 units/reel Subject to change or obsolescence without notice Rev - 05-Feb-2003 Page 4 of 5 Part Number 856129 44 MHz SAW Filter Preliminary Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Symbol Minimum T Tstg -40 Typical 25 - Maximum +85 Unit o C C o Warnings • • Electrostatic Sensitive Device (ESD) Avoid ultrasonic exposure Links to Additional Technical Information PCB Layout Tips Qualification Flowchart Soldering Profile S-Parameters 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 Or contact one of our worldwide network of sales offices, representatives or distributors Phone: +1 (407) 886-8860 Fax: +1 (407) 886-7061 Email: [email protected] Web: www.sawtek.com Rev - 05-Feb-2003 Page 5 of 5