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ADM3054 Datasheet(PDF) 1 Page - Analog Devices |
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ADM3054 Datasheet(HTML) 1 Page - Analog Devices |
1 / 20 page 5 kV rms Signal Isolated High Speed CAN Transceiver with Bus Protection Data Sheet ADM3054 Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother 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 ©2011 Analog Devices, Inc. All rights reserved. FEATURES 5 kV rms signal isolated CAN transceiver 5 V or 3.3 V operation on V DD1 5 V operation on V DD2 V DD2SENSE to detect loss of power on VDD2 Complies with ISO 11898 standard High speed data rates of up to 1 Mbps Short-circuit protection on CANH and CANL against shorts to power/ground in 24 V systems Unpowered nodes do not disturb the bus Connect 110 or more nodes on the bus Thermal shutdown protection High common-mode transient immunity: >25 kV/µs Safety and regulatory approvals UL recognition (pending) 5000 V rms for 1 minute per UL 1577 VDE Certificates of Conformity (pending) DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12 V IORM = 846 V peak Industrial operating temperature range: −40°C to +125°C Wide-body, 16-lead SOIC package APPLICATIONS CAN data buses Industrial field networks GENERAL DESCRIPTION The ADM3054 is a 5 kV rms signal isolated controller area network (CAN) physical layer transceiver. The ADM3054 complies with the ISO 11898 standard. The device employs Analog Devices, Inc., iCoupler® technology to combine a 3-channel isolator and a CAN transceiver into a single package. The logic side of the device is powered with a single 3.3 V or 5 V supply on VDD1 and the bus side uses a single 5 V supply on VDD2 only. Loss of power on the bus side (VDD2) can be detected by an integrated VDD2SENSE signal. The ADM3054 creates an isolated interface between the CAN protocol controller and the physical layer bus. It is capable of running at data rates of up to 1 Mbps. The device has integrated protection on the bus pins, CANH and CANL against shorts to power/ground in 24 V systems. The device has current-limiting and thermal shutdown features to protect against output short circuits and situations where the bus might be shorted to ground or power terminals. The part is fully specified over the industrial temperature range and is available in a 16-lead, wide-body SOIC package. FUNCTIONAL BLOCK DIAGRAM Figure 1 TxD RxD ISOLATION BARRIER GND1 DECODE DECODE DECODE VDD2SENSE ENCODE ENCODE ENCODE VREF VDD1 ADM3054 VOLTAGE REFERENCE CAN TRANSCEIVER LOGIC SIDE BUS SIDE VDD2 CANL CANH DIGITAL ISOLATION iCoupler® R D VDD2 VOLTAGE SENSE THERMAL SHUTDOWN GND2 |
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