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ADUM1300BRW Arkusz danych(PDF) 1 Page - Analog Devices |
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1 / 20 page Triple-Channel Digital Isolators ADuM1300/ADuM1301 Rev. C Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved. FEATURES Low power operation 5 V operation 1.2 mA per channel max @ 0 Mbps to 2 Mbps 3.5 mA per channel max @ 10 Mbps 32 mA per channel max @ 90 Mbps 3 V operation 0.8 mA per channel max @ 0 Mbps to 2 Mbps 2.2 mA per channel max @ 10 Mbps 20 mA per channel max @ 90 Mbps Bidirectional communication 3 V/5 V level translation High temperature operation: 105°C High data rate: dc to 90 Mbps (NRZ) Precise timing characteristics 2 ns max pulse-width distortion 2 ns max channel-to-channel matching High common-mode transient immunity: >25 kV/μs Output enable function Wide body 16-lead SOIC package, Pb-free models available Safety and regulatory approvals UL recognition: 2500 V rms for 1 minute per UL 1577 CSA component acceptance notice #5A VDE certificate of conformity DIN EN 60747-5-2 (VDE 0884 Part 2): 2003-01 DIN EN 60950 (VDE 0805): 2001-12; EN 60950:2000 VIORM = 560 V peak APPLICATIONS General-purpose multichannel isolation SPI® interface/data converter isolation RS-232/RS-422/RS-485 transceiver Industrial field bus isolation GENERAL DESCRIPTION The ADuM130x are 3-channel digital isolators based on Analog Devices’ iCoupler® technology. Combining high speed CMOS and monolithic transformer technology, these isolation compo- nents provide outstanding performance characteristics superior to alternatives such as optocoupler devices. By avoiding the use of LEDs and photodiodes, iCoupler devices remove the design difficulties commonly associated with optocouplers. The typical optocoupler concerns regarding uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects are eliminated with the simple iCoupler digital interfaces and stable performance characteristics. The need for external drivers and other discretes is eliminated with these iCoupler products. Furthermore, iCoupler devices consume one-tenth to one-sixth the power of optocouplers at comparable signal data rates. The ADuM130x isolators provide three independent isolation channels in a variety of channel configurations and data rates (see the Ordering Guide). Both models operate with the supply voltage on either side ranging from 2.7 V to 5.5 V, providing compatibility with lower voltage systems as well as enabling a voltage translation functionality across the isolation barrier. In addition, the ADuM130x provides low pulse-width distortion (<2 ns for CRW grade) and tight channel-to-channel matching (<2 ns for CRW grade). Unlike other optocoupler alternatives, the ADuM130x isolators have a patented refresh feature that ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions. FUNCTIONAL BLOCK DIAGRAMS ENCODE DECODE ENCODE DECODE ENCODE DECODE VDD1 GND1 VIA VIB VIC NC NC GND1 VDD2 GND2 VOA VOB VOC NC VE2 GND2 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Figure 1. ADuM1300 Functional Block Diagram DECODE ENCODE ENCODE DECODE ENCODE DECODE VDD1 GND1 VIA VIB VOC NC VE1 GND1 VDD2 GND2 VOA VOB VIC NC VE2 OR V GND2 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Figure 2. ADuM1301 Functional Block Diagram |
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