Preliminary Data Sheet Part Number 856327 915 MHz SAW Filter Features • • • • • • • • • For ISM band applications Usable bandwidth 26 MHz Low loss High attenuation No impedance matching required for operation at 50 Ω Single-ended operation Chip Scale Package (CSP) Small size Package Pin Configuration Surface Mount 2.00 x 1.50 x 0.76 mm Bottom View 1 2 4 3 0.76 NOM. 0.84 MAX. 2.00 1.80 1.50 1.30 0.42 0.25x45° CHAMFER Pin No. 1 3 2,4 Description Input Output Case ground 0.56 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 - 15-Dec-2003 Page 1 of 5 Part Number 856327 915 MHz SAW Filter Preliminary Data Sheet Electrical Specifications (1) Operating Temperature Range: (2) -30 to +85 oC Parameter (3) Minimum Typical (4) Maximum Unit - 915 - MHz - 2.3 3.0 dB 40 35 35 40 30 47 43 40 50 30 - dB dB dB dB dB - 0.35 1 dB p-p - 15 50 nS p-p 10 - 14 50 50 - dB Ω Ω Center Frequency Maximum Insertion Loss 902 - 928 MHz Absolute Attenuation 10 - 857.5 MHz 857.5 - 882.5 MHz 970 - 1005 MHz 1005 - 1110 MHz 1110 - 3000 MHz Amplitude Ripple 902 - 928 MHz Group Delay Variation 902 - 928 MHz Input/Output Return Loss 902 - 928 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 Typical values are given at 25 oC This is the optimum impedance in order to achieve the performance shown Test Circuit: 1 50 Ω Single-ended Subject to change or obsolescence without notice 50Ω 3 2,4 50Ω Rev - No impedance matching required 15-Dec-2003 Page 2 of 5 Preliminary Data Sheet Part Number 856327 915 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev - 15-Dec-2003 Page 3 of 5 Part Number 856327 915 MHz SAW Filter Preliminary Data Sheet Matching Schematics 1 50 Ω Single-ended 50Ω 3 No impedance matching required 50Ω 2,4 Marking PCB Footprint MFG site Marking code 5 M 0.31x45° CHAMFER WWY 1.50 0.62 ID dot 0.76 2.00 Date 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 Section A-A 1.83 4.0 Ø1.0 A Dimensions shown are nominal in millimeters Packaging quantity: 10000 units/reel Subject to change or obsolescence without notice Rev - 15-Dec-2003 Page 4 of 5 Part Number 856327 915 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 - 15-Dec-2003 Page 5 of 5