Preliminary Data Sheet Part Number 856326 1575.42 MHz SAW Filter Features • • • • • • • • • For GPS applications Usable bandwidth 2 MHz 0.53 dB typical insertion loss No impedance matching required for operation at 50 Ω Single-ended operation Chip Scale Package (CSP) Ceramic surface mount package Hermetic Package Pin Configuration Surface Mount 2.00 x 1.50 x 0.76 mm Bottom View 2 3 5 4 1 0.76 NOM. 0.84 MAX. 2.00 1.80 1.30 1.50 0.30 0.30 Pin No. 1 4 3 2,5 Description Output Input Ground Case ground 0.75 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 - 1.0µm, over a 2 - 6µm Ni plating Subject to change or obsolescence without notice Rev B 25-Nov-2003 Page 1 of 5 Part Number 856326 1575.42 MHz SAW Filter Preliminary Data Sheet Electrical Specifications (1) Operating Temperature Range: (2) -30 to +85 oC Parameter (3) Minimum Typical Maximum Unit - 1575.42 - MHz - 0.53 0.8 dB - 0.02 0.3 dB p-p 14.5 13.5 13.5 14.5 16 15 14 15 16.5 15.5 15.2 16.5 19.8 25.9 26.4 23.5 - dB dB dB dB dB dB dB dB - 1.2 50 50 1.5 - Ω Ω Center Frequency Maximum Insertion Loss (4) 1574.42 - 1576.42 MHz Amplitude Ripple 1574.42 - 1576.42 MHz Absolute Attenuation 500 - 680 MHz 680 - 894 MHz 894 - 1500 MHz 1650 - 2800 MHz 2800 - 4000 MHz 4000 - 4250 MHz 4250 - 5250 MHz 5250 - 6000 MHz Input/Output VSWR (4) 1574.42 - 1576.42 MHz Source Impedance (5) Load Impedance (5) Notes: 1. 2. 3. 4. 5. 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 Excluding losses due to PCB This is the optimum impedance in order to achieve the performance shown Test Circuit: 4 50 Ω Single-ended Subject to change or obsolescence without notice 50Ω 1 2,3,5 50Ω Rev B No impedance matching required 25-Nov-2003 Page 2 of 5 Preliminary Data Sheet Part Number 856326 1575.42 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev B 25-Nov-2003 Page 3 of 5 Part Number 856326 1575.42 MHz SAW Filter Preliminary Data Sheet Matching Schematics 4 50 Ω Single-ended 50Ω 1 No impedance matching required 50Ω 2,3,5 Marking PCB Footprint 2.00 MFG site Marking code W M 1.50 WWY 0.50 ID dot 0.50 Date code 0.75 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 Ø330 4.0 ID dot 0.3 2.0 Ø1.5 A 1.75 3.5 8.0 2.34 Ø102 Ø20.2 Ø13.0 Direction of travel 2.0 1.09 1.83 Section A-A 4.0 Ø1.0 A Dimensions shown are nominal in millimeters Packaging quantity: 10000 units/reel Subject to change or obsolescence without notice Rev B 25-Nov-2003 Page 4 of 5 Part Number 856326 1575.42 MHz SAW Filter Preliminary Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Symbol Minimum Maximum T Tstg -30 -40 +85 +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 B 25-Nov-2003 Page 5 of 5