Part Number 856243 836.5 MHz SAW Filter Data Sheet Features * * * * * * * * * For AMPS, TDMA, CDMA applications Usable bandwidth 25 MHz High attenuation No impedance matching required for operation at 50 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 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 - 1.0m, over a 2 - 6m Ni plating Subject to change or obsolescence without notice Rev - 21-Nov-2002 Page 1 of 6 Part Number 856243 836.5 MHz SAW Filter Data Sheet Electrical Specifications (1) Operating Temperature Range: (2) -20 to +70 oC Parameter (3) Minimum Typical Maximum Unit - 836.5 - MHz - 2.2 3.2 dB 35 30 35 38 35 32 37 33 38 42 37 35 - dB dB dB dB dB dB - 0.8 1.8 dB p-p 9.5 - 12 50 50 - dB Center Frequency Maximum Insertion Loss 824 - 849 MHz Absolute Attenuation DC - 760 MHz 760 - 790 MHz 790 - 804 MHz 869 - 894 MHz 894 - 1080 MHz 1080 - 2600 MHz Amplitude Ripple 824 - 849 MHz Input/Output Return Loss 824 - 849 MHz Source Impedance (4) Load Impedance (4) Notes: 1. 2. 3. 4. 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 Test Circuit: 1 50 Single-ended Subject to change or obsolescence without notice 50 3 2,4 50 Rev - No impedance matching required 21-Nov-2002 Page 2 of 6 Part Number 856243 836.5 MHz SAW Filter Data Sheet Electrical Specifications (1) Operating Temperature Range: (2) -30 to +80 oC Parameter (3) Minimum Typical Maximum Unit - 836.5 - MHz - 2.4 2.2 3.5 3.0 dB dB 35 30 35 38 35 32 37 33 38 42 37 35 - dB dB dB dB dB dB - 0.8 1.8 dB p-p 9 - 12 50 50 - dB Center Frequency Maximum Insertion Loss 824 - 849 MHz 825 - 848 MHz Absolute Attenuation DC - 760 MHz 760 - 790 MHz 790 - 804 MHz 869 - 894 MHz 894 - 1080 MHz 1080 - 2600 MHz Amplitude Ripple 824 - 849 MHz Input/Output Return Loss 824 - 849 MHz Source Impedance (4) Load Impedance (4) Notes: 1. 2. 3. 4. 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 Test Circuit: 1 50 Single-ended Subject to change or obsolescence without notice 50 3 2,4 50 Rev - No impedance matching required 21-Nov-2002 Page 3 of 6 Part Number 856243 836.5 MHz SAW Filter Data Sheet Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev - 21-Nov-2002 Page 4 of 6 Part Number 856243 836.5 MHz SAW Filter Data Sheet Matching Schematics 1 50 Single-ended 50 3 No impedance matching required 50 2,4 Marking PCB Footprint MFG site Marking code P M 0.31x45 CHAMFER WWY 1.50 0.62 ID dot 0.76 2.00 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 4.0 ID dot 0.3 2.0 O1.5 A 1.75 3.5 8.0 2.34 O102 O20.2 O13.0 Direction of travel 2.0 1.09 Section A-A 1.83 4.0 O1.0 A Dimensions shown are nominal in millimeters Packaging quantity: 10000 units/reel Subject to change or obsolescence without notice Rev - 21-Nov-2002 Page 5 of 6 Part Number 856243 836.5 MHz SAW Filter Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Symbol Minimum Maximum T Tstg -30 -40 +80 +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: custservice@sawtek.com Web: www.sawtek.com Rev - 21-Nov-2002 Page 6 of 6