856327

Preliminary Data Sheet 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 Part Number 856327 915 MHz SAW Filter • Package Surface Mount 2.00 x 1.50 x 0.76 mm Pin Configuration Bottom View 1 2 0.76 NOM. 0.84 MAX. 2.00 1.80 4 3 1.50 1.30 0.42 Pin No. 1 3 2,4 Description Input Output Case ground 0.25x45° CHAMFER 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 Preliminary Data Sheet Operating Temperature Range: (2) -30 to +85 oC Part Number 856327 915 MHz SAW Filter Electrical Specifications (1) Parameter (3) 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 Minimum 40 35 35 40 30 10 - Typical (4) 915 2.3 47 43 40 50 30 0.35 15 14 50 50 Maximum 3.0 1 50 - Unit MHz dB dB dB dB dB dB dB p-p nS p-p dB Ω Ω Test Circuit: 1 3 50Ω 50 Ω Single-ended 50Ω 2,4 No impedance matching required Subject to change or obsolescence without notice Rev - 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 Preliminary Data Sheet Part Number 856327 915 MHz SAW Filter Matching Schematics 1 3 50Ω 50 Ω Single-ended 50Ω 2,4 No impedance matching required Marking Marking code MFG site PCB Footprint 5M WWY ID dot Date code 0.31x45° CHAMFER 1.50 0.62 0.76 2.00 This footprint represents a recommendation only Dimensions shown are nominal in millimeters Tape and Reel 2.7 8.8 Ø330 ID dot 4.0 0.3 2.0 Ø1.5 A 1.75 2.34 Ø102 Ø20.2 Ø13.0 Direction of travel 2.0 3.5 8.0 4.0 Ø1.0 1.09 Section A-A 1.83 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 Preliminary Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Part Number 856327 915 MHz SAW Filter Symbol T Tstg Minimum -30 -40 Maximum +85 +85 Unit o o C C Warnings • • Electrostatic Sensitive Device (ESD) Avoid ultrasonic exposure 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 - Or contact one of our worldwide Network of sales offices, Representatives or distributors 15-Dec-2003 Page 5 of 5