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| DA108S1 DA112S1 ASD (Application Specific Devices) Diode Array Main applications Protection of logic side of ISDN S-interface Protection of I/O lines of microcontroller Signal conditioning Features Array of 8 or 12 diodes Low input capacitance Suitable for digital line protection SO-8 Functional diagram: DA108S1 Description ARRAY of 8 or 12 diodes configured by cells of 2 diodes, each cell being used to protect signal line from transient overvoltages by clamping action. I/O1 I/O2 REF1 REF2 REF3 REF4 COMPLIES WITH FOLLOWING STANDARDS : IEC 61000-4-2 Level 4: - - 15kV (air discharge) 8kV (contact discharge) I/O3 I/O4 Functional diagram: DA112S1 I/O1 1 I/O2 I/O3 I/O4 2 3 4 8 7 REF1 I/O6 6 REF2 5 I/O5 February 2007 Rev 5 1/8 www.st.com Characteristics DA108S1 / DA112S1 1 Table 1. Symbol VRRM IPP P Tstg Tj TL Characteristics Absolute maximum ratings (Tamb = 25 C) Parameter Repetitive peak reverse voltage (for one single diode) Repetitive peak forward current (see Note 1) Power dissipation Storage temperature range Maximum operating junction temperature Maximum lead temperature for soldering during 10 s. 8/20 s Value 200 100 0.73 -55 to + 150 150 260 Unit V A W C C C Note: Table 2. 1 The surge is repeated after the device returns to ambient temperature Thermal resistances Parameter Junction to ambient Value 170 Unit C/W Symbol Rth (j-a) Table 3. Symbol IR VF IR Electrical characteristics(Tamb = 25 C) Parameter DA108S1 Peak forward voltage Forward voltage Reverse leakage current IPP = 12 A, 8/20 S IF = 50 mA VR = 15 V DA112S1 Max. 9 V 12 1.2 2 V A Unit 1. 2/8 DA108S1 / DA112S1 Characteristics Figure 1. Input capacitance VCC connected between REF1 and REF2 Input applied : DC bias + 950 mV(RMS) at 1 MHZ 36 C (pF) 34 32 Typical values V =5V CC V = 15 V CC REF2 30 28 I/O 26 VCC REF1 G 24 22 0 2 4 6 8 10 12 14 16 DC bias (V) Figure 2. VF (V) 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 Typical peak forward voltage characteristics (8/20 s pulse Typical values Tj = 25 o C 0.001 0.01 I F (A) 0.1 1 VF (V) 10.0 9.0 o Tj = 25 C 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 1 Typical values I F (A) 10 20 3/8 Characteristics DA108S1 / DA112S1 Figure 3. APPLICATION 1: ISDN Interface ProtectionResidual lightning surges at transformer secondary are suppressed by DA108S1 LOGIC SIDE Vcc LINE SIDE A GND Vcc Vss Vcc Vss TPIxx B A GND Vss Vcc TPIxx B Vss DA1xx S1 Figure 4. APPLICATION 2: Microcontroller I/O port protection Vcc Vcc 4-6 bit input port I/O Vcc I/O Vcc c I/O Vcc I/O DA1xx S1 Note: IMPORTANT : DA108S1 must imperatively be connected to the reference voltages by REF1 and REF2. 4/8 DA108S1 / DA112S1 Ordering information scheme 2 Ordering information scheme DA 1 08 S 1 RL Diode Array Version Number of diodes 08 = 12 12 = 12 Serial Package 1 = SO-8 Packaging RL = Tape & reel Blank = Tube 5/8 Package mechanical data DA108S1 / DA112S1 3 Package mechanical data Epoxy meets UL94, V0 SO-8 Dimensions Dimensions ccc C A2 e A Table 4. Ref. Millimeters Min. Typ. Max. 1.75 0.1 1.25 0.28 0.17 4.80 5.80 3.80 0.25 0.40 1.04 0 8 0.10 0 4.90 6.00 3.90 1.27 0.50 1.27 0.010 0.016 0.48 0.23 5.00 6.20 4.00 0.25 0.004 0.049 0.011 0.007 Min. Inches Typ. Max. 0.069 0.010 0.019 0.009 b A1 A A1 A2 b C D E E1 e h C (Seating Plane) C h x 45 0.25mm (Gage Plane) L k L1 D 0.189 0.193 0.197 0.228 0.236 0.244 0.150 0.154 0.157 0.050 0.020 0.050 0.041 8 0.004 8 5 E1 E L L1 k ccc 1 4 In order to meet environmental requirements, ST offers these devices in ECOPACK(R) packages. These packages have a lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com. 6/8 DA108S1 / DA112S1 Ordering information 4 Ordering information Part number DA108S1 DA108S DA108S1RL SO-8 DA112S1 DA112S DA112S1RL 1. Preference packaging is tape and reel Marking Package Weight Base qty 100 2500 Delivery mode Tube Tape and reel(1) Tube Tape and reel(1) 0.11 g 100 2500 5 Revision history Date Aug-2001 15-Feb-2007 Revision 4 5 Last release. Reformatted to current standard. Standard typing error corrected. Changes 7/8 DA108S1 / DA112S1 Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries ("ST") reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST's terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein. UNLESS OTHERWISE SET FORTH IN ST'S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE, ST PRODUCTS ARE NOT RECOMMENDED, AUTHORIZED OR WARRANTED FOR USE IN MILITARY, AIR CRAFT, SPACE, LIFE SAVING, OR LIFE SUSTAINING APPLICATIONS, NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY, DEATH, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. ST PRODUCTS WHICH ARE NOT SPECIFIED AS "AUTOMOTIVE GRADE" MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER'S OWN RISK. Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any liability of ST. ST and the ST logo are trademarks or registered trademarks of ST in various countries. Information in this document supersedes and replaces all information previously supplied. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners. (c) 2007 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com 8/8 |
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