855924

Data Sheet Features • • • • • • • For AMPS, TDMA, CDMA applications Usable bandwidth 25 MHz High attenuation No impedance matching required for operation at 50 Ω Single-ended operation Ceramic Surface Mount Package (SMP) Small size Part Number 855924 881.5 MHz SAW Filter • Package Surface Mount 2.50 x 2.00 x 0.76 mm Pin Configuration Bottom View 1 2 0.76 NOM. 0.84 MAX. 2.50 1.54 4 3 2.00 1.30 0.3X45° CHAMFER 0.58 0.84 Pin No. 1 3 2,4 Description Input 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 - 1.0µm, over a 2 - 6µm Ni plating Subject to change or obsolescence without notice Rev H 04-Sep-2002 Page 1 of 5 Data Sheet Operating Temperature Range: (2) -30 to +85 oC Part Number 855924 881.5 MHz SAW Filter Electrical Specifications (1) Parameter (3) Center Frequency Maximum Insertion Loss 869 - 894 MHz Absolute Attenuation DC - 824 MHz 824 - 849 MHz 954 - 978 MHz 978 - 1080 MHz 1088 - 2600 MHz Amplitude Ripple 869 - 894 MHz Input/Output Return Loss 869 - 894 MHz Source Impedance (4) Load Impedance (4) Notes: 1. 2. 3. 4. Minimum 40 40 40 45 40 9.5 - Typical 881.5 1.6 49 47 48 55 50 0.5 11.5 50 50 Maximum 2.8 1.2 - Unit MHz dB dB dB dB dB dB dB 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 Test Circuit: 1 3 50Ω 50 Ω Single-ended 50Ω 2,4 No impedance matching required Subject to change or obsolescence without notice Rev H 04-Sep-2002 Page 2 of 5 Data Sheet Part Number 855924 881.5 MHz SAW Filter Typical Performance (at +25oC) Subject to change or obsolescence without notice Rev H 04-Sep-2002 Page 3 of 5 Data Sheet Part Number 855924 881.5 MHz SAW Filter Matching Schematics 1 3 50Ω 50 Ω Single-ended 50Ω 2,4 No impedance matching required Marking Sawtek logo Marking code PCB Footprint 2.59 2.08 B JJJYM .78 ID dot Date code CHAMFER .36x45° .51 .51 1.04 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 8.8 2.7 Ø330 ID dot Sawtek logo 4.0 0.3 2.0 Ø1.5 A 1.75 2.75 Ø102 Direction of travel Ø20.2 Ø13.0 2.0 3.5 8.0 4.0 Ø1.0 1.1 Section A-A 2.23 A Dimensions shown are nominal in millimeters Packaging quantity: 10000 units/reel Subject to change or obsolescence without notice Rev H 04-Sep-2002 Page 4 of 5 Data Sheet Parameter Operating Temperature Range Storage Temperature Range Part Number 855924 881.5 MHz SAW Filter Maximum Ratings Symbol T Tstg Minimum -30 -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 H Or contact one of our worldwide network of sales offices, representatives or distributors 04-Sep-2002 Page 5 of 5