Preliminary Data Sheet Part Number 856548 2441 MHz SAW Filter Features * * * * * * * * * * * * For Bluetooth applications Usable bandwidth of 83.5 MHz Typical 3 dB bandwidth of 130 MHz Low loss High attenuation Single-ended input, 50 Balanced output, 200 Excellent selectivity and stop band rejection Ceramic Chip Scale Package (CSP) Hermetic RoHS compliant (2002/95/EC), Pb-free Pb Package Pin Configuration Surface Mount 1.40 x 1.20 x 0.46 mm Bottom View 2 3 5 4 1 0.46 NOM. 0.50 MAX. 1.40 1.25 0.50 1.20 0.325 0.25 0.90 0.25 Pin No. 1 3,4 2,5 Description Input Balanced Output Case ground 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 - 1.0m, over a 2 - 6m Ni plating Subject to change or obsolescence without notice Rev - 29-Sep-2005 Page 1 of 5 Part Number 856548 2441 MHz SAW Filter Preliminary Data Sheet Electrical Specifications (1) Operating Temperature Range: (2) -40 to +85 oC Parameter (3) Minimum Typical Maximum Unit - 2441 - MHz - 2.7 3.5 dB - 1 2 dB 60 55 55 45 37 40 35 30 40 32.5 45 - 65 62 62 49 42 50 39 35 45 37 52 50 200 - dB dB dB dB dB dB dB dB dB dB dB Center Frequency Maximum Insertion Loss (4) 2400 - 2483.5 MHz Amplitude Ripple (4) 2400 - 2483.5 MHz Absolute Attenuation 500 - 960 MHz 960 - 1200 MHz 1200 - 1500 MHz 1500 - 1980 MHz 1980 - 2100 MHz 2100 - 2170 MHz 2170 - 2250 MHz 2700 - 3000 MHz 3000 - 3250 MHz 3250 - 3500 MHz 3500 - 6000 MHz Source Impedance (5) Load Impedance (Balanced)(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 Range determined by requirements in the Bluetooth Specification version 1.1 This is the optimum impedance in order to achieve the performance shown Test Circuit: 1.8nH 1 50 Single-ended Input 3 4.5nH 50 Subject to change or obsolescence without notice 2,5 200 Balanced Output 200 4 Rev - 29-Sep-2005 Page 2 of 5 Preliminary Data Sheet Subject to change or obsolescence without notice Part Number 856548 2441 MHz SAW Filter Rev - 29-Sep-2005 Page 3 of 5 Part Number 856548 2441 MHz SAW Filter Preliminary Data Sheet Matching Schematics Actual matching values may vary due to PCB layout and parasitics 1.8nH 1 50 Single-ended Input 3 50 2,5 200 Balanced Output 200 4.5nH 4 Marking PCB Footprint MFG site Marking code 1.35 0.15 J M 0.15 1.00 WWY 0.425 ID dot 0.35 Date code 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 O330 ID dot 4.0 0.3 2.0 O1.5 A 1.75 3.5 8.0 1.73 O102 O20.2 O13.0 Direction of travel 2.0 0.91 Section A-A 1.47 4.0 O1.0 A Dimensions shown are nominal in millimeters Packaging quantity: 10000 units/reel Subject to change or obsolescence without notice Rev - 29-Sep-2005 Page 4 of 5 Part Number 856548 2441 MHz SAW Filter Preliminary Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Symbol Minimum Maximum T Tstg -40 -40 +85 +85 Unit o C C o Important Notes Warnings * * Electrostatic Sensitive Device (ESD) Avoid ultrasonic exposure RoHS Compliance * This product complies with EU directive 2002/95/EC (RoHS) Pb Solderability * Compatible with JEDEC J-STD-020C Pb-free process, 260C peak reflow temperature (see soldering profile) Links to Additional Technical Information PCB Layout Tips Qualification Flowchart S-Parameters Soldering Profile RoHS information 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: custservice@sawtek.com Web: www.sawtek.com Rev - 29-Sep-2005 Page 5 of 5