Part Number 855735 70 MHz SAW Filter Data Sheet Features • • • • • • • • For broadband applications Typical 3 dB bandwidth of 0.31 MHz High attenuation Single-ended operation Ceramic Surface Mount Package (SMP) Small size Replaces Sawtek P/N 851541 (BW 3dB=0.25 MHz) Package Pin Configuration Surface Mount 24.60 x 9.00 x 2.31 mm Bottom View 1 2 3 4 5 2.31 NOM. 2.62 MAX. 10 9 8 7 6 1.02 24.6 1.91 1.80 R0.5 9.00 2.31 3.53 x 4.83 1.02 Pin No. 1 5 6 10 2,3,4 7,8,9 Description Input return Output Output return Input Case ground Case ground Dimensions shown are nominal in millimeters All tolerances are ±0.15mm except overall length and width +0.13mm/-0.20mm 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 11-Jul-2002 Page 1 of 5 Part Number 855735 70 MHz SAW Filter Data Sheet Electrical Specifications (1) Operating Temperature Range: (2) 0 to +70 oC Parameter (3) Minimum Typical Maximum Unit 70.065 70.13 69.5 - 70 16.36 69.90 70.09 69.84 70.16 69.56 70.46 20 69.935 69.87 70.5 MHz dB MHz MHz MHz MHz MHz MHz - 0.42 1 dB - 0.84 3 deg - 249.70 3.19 470 - nsec µsec 50 40 50 40 50 - 69 52 64.5 49.5 63 50 50 - dB dB dB dB - Ω Ω Center Frequency Minimum Insertion Loss Lower 1 dB Bandedge (4) Upper 1 dB Bandedge Lower 3 dB Bandedge (4) Upper 3 dB Bandedge Lower 40 dB Bandedge (4) Upper 40 dB Bandedge Amplitude Variation 69.935 - 70.065 MHz Phase Linearity 69.935 - 70.065 MHz Group Delay Variation 69.935 - 70.065 MHz Absolute Delay Relative Attenuation(4) 10 - 68 MHz 72 - 80 MHz 80 - 135 MHz 135 - 145 MHz 145 - 200 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 All attenuation measurements are measured relative to minimum insertion loss This is the optimum impedance in order to achieve the performance shown Test Circuit: Actual matching values may vary due to PCB layout and parasitics 910nH 6pF 50Ω Single-ended 50Ω 68pF Subject to change or obsolescence without notice 7pF 820nH 5 10 1,2,3,4 6,7,8,9 68pF Rev A 50Ω 11-Jul-2002 Page 2 of 5 Part Number 855735 70 MHz SAW Filter Data Sheet Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev A 11-Jul-2002 Page 3 of 5 Part Number 855735 70 MHz SAW Filter Data Sheet Matching Schematics Actual matching values may vary due to PCB layout and parasitics 910nH 6pF 50Ω Single-ended 50Ω 7pF 820nH 5 10 68pF 68pF 1,2,3,4 6,7,8,9 Marking 50Ω PCB Footprint 8.84 SAWTEK 855735 XXXXXX ID dot 9.19 Date code 1.95 The date code consists of: day of the current year (Julian, 3 digits), last digit of the year (1 digit) and hour (2 digits) .69 1.22 This footprint represents a recommendation only Dimensions shown are nominal in millimeters Tape and Reel 2.7 44.8 0.36 Ø330 4.0 2.0 ID dot Ø1.5 A 1.75 20.2 40.4 44.0 25.6 Ø102 Ø20.2 Ø13.0 2.0 Direction of travel 0.20 2.6 Section A-A 9.39 12.0 R0.75 Ø1.5 A Dimensions shown are nominal in millimeters Packaging quantity: 1000 units/reel Subject to change or obsolescence without notice Rev A 11-Jul-2002 Page 4 of 5 Part Number 855735 70 MHz SAW Filter Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Symbol Minimum T Tstg 0 -40 Typical +25 - Maximum +70 +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 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 A 11-Jul-2002 Page 5 of 5