Preliminary Data Sheet Part Number 855954 380 MHz SAW Filter Features • • • • • Usable bandwidth of 4 MHz Single-ended operation Ceramic Surface Mount Package (SMP) Small size Package Pin Configuration Surface Mount 3.80 x 3.80 x 1.27 mm Bottom View 1 2 3 0.61 8 1.27 NOM. 1.45 MAX. 4 3.80 1.27 3.80 7 0.60 1.00 Pin No. 2 3 6 7 1,4,5,8 6 5 Description Output Output Return Input Input Return Case ground 1.50 Dimensions shown are nominal in millimeters All tolerances are ±0.15mm except overall length and width ±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 - 31-Oct-2001 Page 1 of 5 Part Number 855954 380 MHz SAW Filter Preliminary Data Sheet Electrical Specifications (1) Temperature Range: (2) -30 to +70 oC Parameter (3) Minimum Typical Maximum Unit 4.8 380 9.5 7.3 11 - MHz dB MHz - 0.65 1.5 dB p-p - 1.1 4 deg RMS 28 28 - 38 36 50 50 - dB dB Ω Ω Center Frequency, f0 Insertion Loss at 380 MHz 3 dB Bandwidth Passband Ripple (4) 378.1 - 381.9 MHz Phase Linearity 378 - 382 MHz Relative Attenuation 360 - 373 MHz 387 - 400 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 Passband ripple is the worst case peak to adjacent valley over a frequency range defined by the measured roll off at the passband edges 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 12nH 15nH 6 50Ω Single-ended 50Ω Subject to change or obsolescence without notice 18pF 2 1,3,4 5,7,8 18pF Rev - 50Ω 31-Oct-2001 Page 2 of 5 Preliminary Data Sheet Part Number 855954 380 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev - 31-Oct-2001 Page 3 of 5 Part Number 855954 380 MHz SAW Filter Preliminary Data Sheet Matching Schematics Actual matching values may vary due to PCB layout and parasitics 12nH 15nH 6 50Ω Single-ended 18pF 50Ω 2 18pF 1,3,4 5,7,8 Marking 50Ω PCB Footprint 1.70 4.01 1.19 Marking code Sawtek logo .81 E .41 JJJYM ID dot .46 Date code 1.19 .81 The date code consists of: JJJ = Julian day, 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 12.8 Sawtek logo Ø330 0.3 2.0 Ø20.2 Ø13.0 2.0 Direction of travel Ø1.5 A 1.75 5.5 ID dot Ø102 4.0 4.1 1.8 Section A-A 4.1 8.0 Ø1.5 12.0 A Dimensions shown are nominal in millimeters Packaging quantity: 4000 units/reel Subject to change or obsolescence without notice Rev - 31-Oct-2001 Page 4 of 5 Part Number 855954 380 MHz SAW Filter Preliminary Data Sheet Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Symbol Minimum Maximum T Tstg -30 -40 +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 - 31-Oct-2001 Page 5 of 5