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ADuM252N0BRIZ Arkusz danych(PDF) 1 Page - Analog Devices |
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ADuM252N0BRIZ Arkusz danych(HTML) 1 Page - Analog Devices |
1 / 22 page 5.0 kV RMS, 5-Channel Digital Isolators Data Sheet ADuM250N/ADuM251N/ADuM252N Rev. 0 Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother 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 ©2016 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES High common-mode transient immunity: 100 kV/μs High robustness to radiated and conducted noise Low propagation delay 13 ns maximum for 5 V operation 15 ns maximum for 1.8 V operation 150 Mbps maximum guaranteed data rate Safety and regulatory approvals (pending) UL recognition: 5000 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice 5A VDE certificate of conformity DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 VIORM = 849 V peak CQC certification per GB4943.1-2011 Low dynamic power consumption 1.8 V to 5 V level translation High temperature operation: 125°C Fail-safe high or low options 16-lead, RoHS compliant, wide-body SOIC_IC package APPLICATIONS General-purpose multichannel isolation Serial peripheral interface (SPI)/data converter isolation Industrial field bus isolation GENERAL DESCRIPTION The ADuM250N/ADuM251N/ADuM252N1 are 5-channel digital isolators based on Analog Devices, Inc., iCoupler® technology. Combining high speed, complementary metal-oxide semiconductor (CMOS) and monolithic air core transformer technology, these isolation components provide outstanding performance characteristics superior to alternatives such as optocoupler devices and other integrated couplers. The maximum propagation delay is 13 ns with a pulse width distortion of less than 4.5 ns at 5 V operation. Channel to channel matching of propagation delay is tight at 4.0 ns maximum. The ADuM250N/ADuM251N/ADuM252N data channels are independent and are available in a variety of configurations with a withstand voltage rating of 5.0 kV rms (see the Ordering Guide). The devices operate with the supply voltage on either side ranging from 1.7 V to 5.5 V, providing compatibility with lower voltage systems as well as enabling voltage translation functionality across the isolation barrier. FUNCTIONAL BLOCK DIAGRAMS Figure 1. ADuM250N Functional Block Diagram Figure 2. ADuM251N Functional Block Diagram Figure 3. ADuM252N Functional Block Diagram Unlike other optocoupler alternatives, dc correctness is ensured in the absence of input logic transitions. Two different fail-safe options are available by which the outputs transition to a predeter- mined state when the input power supply is not applied. 1 Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329. Other patents are pending. ENCODE DECODE ENCODE DECODE ENCODE DECODE ENCODE DECODE ENCODE DECODE VDD1 VIA VIB VIC VID VIE NIC VOA VOB VOC VOD VOE NIC GND1 VDD2 ADuM250N GND2 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 ENCODE DECODE ENCODE DECODE ENCODE DECODE ENCODE DECODE VDD1 VIA VIB VIC VID VOE NIC VOA VOB VOC VOD VIE NIC GND1 VDD2 ADuM251N GND2 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 DECODE ENCODE ENCODE DECODE ENCODE DECODE ENCODE DECODE VDD1 VIA VIB VIC VOD VOE NIC VOA VOB VOC VID VIE NIC GND1 VDD2 ADuM252N GND2 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 DECODE ENCODE DECODE ENCODE |
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