ADM2587E Integrated Circuit Components Signal Power RS485 Transceiver

ADM2587E Signal and Power Isolated RS-485 Transceiver with ±15 kV ESD Protection

FEATURES

Isolated RS-485/RS-422 transceiver, configurable as half or full duplex isoPower® integrated isolated dc-to-dc converter ±15 kV ESD protection on RS-485 input/output pins Complies with ANSI/TIA/EIA-485-A-98 and ISO 8482:1987(E) ADM2582E data rate: 16 Mbps ADM2587E data rate: 500 kbps 5 V or 3.3 V operation Connect up to 256 nodes on one bus Open- and short-circuit, fail-safe receiver inputs High common-mode transient immunity: >25 kV/μs Thermal shutdown protection Safety and regulatory approvals (pending) UL recognition: 2500 V rms for 1 minute per UL 1577 VDE Certificates of Conformity DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 VIORM = 560 V peak Operating temperature range: −40°C to +85°C Highly integrated, 20-lead, wide-body SOIC package

APPLICATIONS

Isolated RS-485/RS-422 interfaces Industrial field networks Multipoint data transmission systems

GENERAL DESCRIPTION

The ADM2582E/ADM2587E are fully integrated signal and power isolated data transceivers with ±15 kV ESD protection and are suitable for high speed communication on multipoint transmission lines. The ADM2582E/ADM2587E include an integrated isolated dc-to-dc power supply, which eliminates the need for an external dc-to-dc isolation block. They are designed for balanced transmission lines and comply with ANSI/TIA/EIA-485-A-98 and ISO 8482:1987(E). The devices integrate Analog Devices, Inc., iCoupler® technology to combine a 3-channel isolator, a three-state differential line driver, a differential input receiver, and Analog Devices isoPower dc-todc converter into a single package. The devices are powered by a single 5 V or 3.3 V supply, realizing a fully integrated signal and power isolated RS-485 solution.

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

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