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ADuM6402CRWZ Arkusz danych(PDF) 1 Page - Analog Devices |
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ADuM6402CRWZ Arkusz danych(HTML) 1 Page - Analog Devices |
1 / 24 page Quad-Channel Isolators with Integrated DC-to-DC Converter ADuM6400/ADuM6401/ADuM6402/ADuM6403/ADuM6404 Rev. 0 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 www.analog.com Fax: 781.461.3113 ©2009 Analog Devices, Inc. All rights reserved. FEATURES isoPower integrated, isolated dc-to-dc converter Regulated 3.3 V or 5 V output Up to 500 mW output power Quad dc-to-25 Mbps (NRZ) signal isolation channels Schmitt trigger inputs 16-lead SOIC package with 7.6 mm creepage High temperature operation: 105°C High common-mode transient immunity: >25 kV/μs Safety and regulatory approvals (pending) UL recognition 5000 V rms for 1 minute per UL1577 CSA Component Acceptance Notice #5A IEC 60950-1: 600 V rms (reinforced) IEC 60601-1: 250 V rms (reinforced) VDE certificate of conformity DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 VIORM = 560 V peak APPLICATIONS RS-232/RS-422/RS-485 transceivers Medical isolation AC/dc power supply startup bias and gate drives Isolated sensor interface GENERAL DESCRIPTION The ADuM640x1 devices are quad-channel digital isolators with isoPower®, an integrated, isolated dc-to-dc converter. Based on the Analog Devices, Inc., iCoupler® technology, the dc-to-dc converter provides up to 500 mW of regulated, isolated power at either 5.0 V or 3.3 V from a 5.0 V input supply, or 3.3 V from a 3.3 V supply at the power levels shown in Table 1. This eliminates the need for a separate, isolated dc-to-dc converter in low power, isolated designs. The iCoupler chip scale transformer technology is used to isolate the logic signals and for the magnetic components of the dc-to-dc converter. The result is a small form factor, total isolation solution. The ADuM640x isolators provide four independent isolation channels in a variety of channel configurations and data rates (see the Ordering Guide for more information). isoPower uses high frequency switching elements to transfer power through its transformer. Special care must be taken during printed circuit board (PCB) layout to meet emissions standards. Refer to the AN-0971 application note for board layout recommendations at www.analog.com. FUNCTIONAL BLOCK DIAGRAMS 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 OSC RECT 4-CHANNEL iCOUPLER CORE VDD1 REG GND1 VIA/VOA VIB/VOB VIC/VOC VID/VOD VDDL GND1 VISO GNDISO VIA/VOA VIB/VOB VIC/VOC VID/VOD VSEL GNDISO ADuM6400/ADuM6401/ ADuM6402/ADuM6403/ ADuM6404 Figure 1. ADuM640x Block Diagram 3 4 5 6 14 13 12 11 VIA VIB VIC VID VOA VOB VOC VOD ADuM6400 Figure 2. ADuM6400 3 4 5 6 14 13 12 11 VIA VIB VIC VOD VOA VOB VOC VID ADuM6401 Figure 3. ADuM6401 3 4 5 6 14 13 12 11 VIA VIB VOC VOD VOA VOB VIC VID ADuM6402 Figure 4. ADuM6402 3 4 5 6 14 13 12 11 VIA VOB VOC VOD VOA VIB VIC VID ADuM6403 Figure 5. ADuM6403 3 4 5 6 14 13 12 11 VOA VOB VOC VOD ADuM6404 VIA VIB VIC VID Figure 6. ADuM6404 Table 1. Power Levels Input Voltage (V) Output Voltage (V) Output Power (mW) 5 5 500 5 3.3 330 3.3 3.3 200 1 Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329. Other patents are pending. |
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