855653

Data Sheet Features • • • • For WLAN applications Usable bandwidth 17 MHz Single-ended or Balanced operation Configurable to 50 Ω and 200 Ω input and output impedance Ceramic Surface Mount Package (SMP) Part Number 855653 374 MHz SAW Filter • • Package Surface Mount 7.01 x 5.51 x 1.63 mm Pin Configuration Bottom View 1 2 3 12 0.76 1.63 NOM. 1.78 MAX. 4 5 6 11 10 7.01 1.27 9 8 7 1.70 5.51 1.27 0.79 1.14 Pin No. 3 4 9 10 1,2,5,6 7,8,11,12 Description Output Output return Input Input return Case ground Case ground Dimensions shown are nominal in millimeters All tolerances are ±0.15mm except overall length and width +0.15mm/-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 Rev A 08-Oct-2002 Page 1 of 5 Data Sheet Operating Temperature Range: (2) -40 to +85 oC Part Number 855653 374 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency Insertion Loss Lower 3 dB Bandedge Upper 3 dB Bandedge Absolute Attenuation 274 - 341 MHz 341 - 352 MHz 352 - 357.5 MHz 390.5 - 396 MHz 396 - 430 MHz 430 - 474 MHz Passband Ripple Group Delay Ripple Triple Transit Suppression Source Impedance (4) Load Impedance (4) Substrate Material Notes: 1. 2. 3. 4. 5. Minimum 382.5 50 40 10 10 30 45 30 - Typical 374 8.5 362 386 55 60 50 37 45 50 0.6 60 40.5 50 50 YZ LiNbO3 Maximum 11 365.5 1 100 - Unit MHz dB MHz MHz dB dB dB dB dB dB dB p-p nsec p-p dB Ω Ω - 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 Sawtek’s production specifications reflect the typical performance in a 50 ohm single-ended system. This filter can be used in both single-ended and/or differential modes at each port. In addition, similar performance can be achieved in source and load impedances ranging from 50 to 500 ohms. Test Circuit: Actual matching values may vary due to PCB layout and parasitics 22nH 9 3 15pF 50Ω 50 Ω Single-ended 50Ω 12pF 1,2,4,5,6,7 8,10,11,12 Subject to change or obsolescence without notice Rev A 08-Oct-2002 Page 2 of 5 Data Sheet Part Number 855653 374 MHz SAW Filter Typical Performance (at +25oC) (50Ω Input/Output) Subject to change or obsolescence without notice Rev A 08-Oct-2002 Page 3 of 5 Data Sheet Actual matching values may vary due to PCB layout and parasitics 22nH 9 3 Part Number 855653 374 MHz SAW Filter Matching Schematics 50 Ω Single-ended 50Ω 12pF 1,2,4,5,6,7 8,10,11,12 15pF 50Ω 22pF 9 3 15nH 1,2,5,6 10 7,8,11,12 4 22pF 200 Ω 200 Ω Balanced input 200 Ω 27nH 200 Ω Balanced output Marking 1.34 PCB Footprint .99 .28 1.34 .28 Date code ID dot SAWTEK 855653 XXXXXX 5.71 .99 7.21 The date code consists of: day of the current year (Julian, 3 digits), last digit of the year (1 digit) and hour (2 digits) This footprint represents a recommendation only Dimensions shown are nominal in millimeters Tape and Reel 2.7 16.8 Ø330 Pad 1 ID dot 0.3 2.0 4.0 Ø1.5 A 1.75 7.5 7.3 16.0 Ø102 Direction of travel Ø20.2 Ø13.0 2.0 2.2 Section A-A 5.8 8.0 Ø1.5 A Dimensions shown are nominal in millimeters Packaging quantity: 3000 units/reel Subject to change or obsolescence without notice Rev A 08-Oct-2002 Page 4 of 5 Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Part Number 855653 374 MHz SAW Filter Symbol T Tstg Minimum -40 -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 A Or contact one of our worldwide Network of sales offices, Representatives or distributors 08-Oct-2002 Page 5 of 5