Datasheet ADM3053 (Analog Devices)

Signal and Power Isolated CAN Transceiver with Integrated Isolated DC-to-DC Converter Data Sheet ADM3053 FEATURES GENERAL DESCRIPTION 2.5 kV rms signal and power isolated CAN transceiver
The ADM3053 is an isolated controller area network (CAN)
iso Power integrated isolated dc-to-dc converter
physical layer transceiver with an integrated isolated dc-to-dc
5 V operation on V
converter. The ADM3053 complies with the ISO 11898 standard.
CC 5 V or 3.3 V operation on VIO
The device employs Analog Devices, Inc., iCoupler® technology
Complies with ISO 11898 standard
to combine a 2-channel isolator, a CAN transceiver, and Analog
High speed data rates of up to 1 Mbps
Devices isoPower® dc-to-dc converter into a single SOIC surface
Unpowered nodes do not disturb the bus
mount package. An on-chip oscillator outputs a pair of square
Connect 110 or more nodes on the bus
waveforms that drive an internal transformer to provide isolated
Slope control for reduced EMI
power. The device is powered by a single 5 V supply realizing a
Thermal shutdown protection
fully isolated CAN solution.
High common-mode transient immunity: >25 kV/μs
The ADM3053 creates a fully isolated interface between the
Safety and regulatory approvals
CAN protocol controller and the physical layer bus. It is capable
UL recognition
of running at data rates of up to 1 Mbps.
2500 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice 5A
The device has current limiting and thermal shutdown features
VDE Certificate of Conformity
to protect against output short circuits. The part is fully specified
DIN EN 60747-5-2 (VDE 0884 Part 2): 2003-01
over the industrial temperature range and is available in a
VIORM = 560 V peak
20-lead, wide-body SOIC package.
Industrial operating temperature range (−40°C to +85°C)
The ADM3053 contains isoPower technology that uses high
Available in wide-body, 20-lead SOIC package
frequency switching elements to transfer power through the
APPLICATIONS
transformer. Special care must be taken during printed circuit board (PCB) layout to meet emissions standards. Refer to the
CAN data buses
AN-0971 Application Note, Recommendations for Control of
Industrial field networks
Radiated Emissions with isoPower Devices, for details on board layout considerations.
FUNCTIONAL BLOCK DIAGRAM VCC iso Power DC-TO-DC CONVERTER ADM3053 VISOOUT OSCILLATOR RECTIFIER VISOIN REGULATOR VCC VIO TxD PROTECTION RS DIGITAL ISOLATION i Coupler DRIVER RS SLOPE/ TxD ENCODE DECODE STANDBY RxD CANH CANL RECEIVER VREF REFERENCE RxD DECODE ENCODE VOLTAGE CAN TRANSCEIVER VREF GND2 GND1 GND2 GND2 ISOLATION
01 0
PIN 11, PIN 13 PIN 16, PIN 20 BARRIER
3-
LOGIC SIDE BUS SIDE
929 0 Figure 1.
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Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS SWITCHING CHARACTERISTICS REGULATORY INFORMATION INSULATION AND SAFETY-RELATED SPECIFICATIONS VDE 0884 INSULATION CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS CIRCUIT DESCRIPTION CAN TRANSCEIVER OPERATION SIGNAL ISOLATION POWER ISOLATION TRUTH TABLES THERMAL SHUTDOWN DC CORRECTNESS AND MAGNETIC FIELD IMMUNITY APPLICATIONS INFORMATION PCB LAYOUT EMI CONSIDERATIONS RS PIN INSULATION LIFETIME TYPICAL APPLICATIONS OUTLINE DIMENSIONS ORDERING GUIDE