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ADUM3401CRWZ Datasheet(PDF) 1 Page - Analog Devices |
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ADUM3401CRWZ Datasheet(HTML) 1 Page - Analog Devices |
1 / 24 page Quad-Channel, Digital Isolators, Enhanced System-Level ESD Reliability ADuM3400/ADuM3401/ADuM3402 Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2006 Analog Devices, Inc. All rights reserved. FEATURES Enhanced system-level ESD performance per IEC 61000-4-x Low power operation 5 V operation 1.4 mA per channel maximum @ 0 Mbps to 2 Mbps 4.3 mA per channel maximum @ 10 Mbps 34 mA per channel maximum @ 90 Mbps 3 V operation 0.9 mA per channel maximum @ 0 Mbps to 2 Mbps 2.4 mA per channel maximum @ 10 Mbps 20 mA per channel maximum @ 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 maximum pulse-width distortion 2 ns maximum channel-to-channel matching High common-mode transient immunity: >25 kV/μs Output enable function 16-lead SOIC wide body, Pb-free package 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 transceivers Industrial field bus isolation GENERAL DESCRIPTION The ADuM340x1 are 4-channel digital isolators based on Analog Devices’ iCoupler® technology. Combining high speed CMOS and monolithic air core transformer technology, these isolation components provide outstanding performance characteristics superior to alternatives such as optocoupler devices. iCoupler devices remove the design difficulties commonly associated with optocouplers. 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 discrete components 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 ADuM340x isolators provide three independent isolation channels in a variety of channel configurations and data rates (see the Ordering Guide). All 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. The ADuM340x isolators have a patented refresh feature that ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions. In comparison to the ADuM140x isolators, the ADuM340x isolators contain various circuit and layout changes to provide increased capability relative to system-level IEC 61000-4-x testing (ESD/burst/surge). The precise capability in these tests for either the ADuM140x or ADuM340x products is strongly determined by the design and layout of the user’s board or module. For more information, see Application Note AN-793, ESD/Latch-Up Considerations with iCoupler Isolation Products. 1 Protected by U.S. Patents 5,952,849 and 6,873,065. Other patents pending. FUNCTIONAL BLOCK DIAGRAMS ENCODE DECODE ENCODE DECODE ENCODE DECODE ENCODE DECODE VDD1 GND1 VIA VIB VIC VID NC GND1 VDD2 GND2 VOA VOB VOC VOD VE2 GND2 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Figure 1. ADuM3400 Functional Block Diagram DECODE ENCODE ENCODE DECODE ENCODE DECODE ENCODE DECODE VDD1 GND1 VIA VIB VIC VOD VE1 GND1 VDD2 GND2 VOA VOB VOC VID VE2 GND2 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Figure 2. ADuM3401 Functional Block Diagram DECODE ENCODE DECODE ENCODE ENCODE DECODE ENCODE DECODE VDD1 GND1 VIA VIB VOC VOD VE1 GND1 VDD2 GND2 VOA VOB VIC VID VE2 GND2 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Figure 3. ADuM3402 Functional Block Diagram |
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