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ADM2587E

Analog Devices
Part Number ADM2587E
Manufacturer Analog Devices
Description Signal and Power Isolated RS-485 Transceiver
Published Dec 21, 2009
Detailed Description Data Sheet Signal and Power Isolated RS-485 Transceiver with ±15 kV ESD Protection ADM2582E/ADM2587E FEATURES Isolated...
Datasheet PDF File ADM2587E PDF File

ADM2587E
ADM2587E


Overview
Data Sheet Signal and Power Isolated RS-485 Transceiver with ±15 kV ESD Protection ADM2582E/ADM2587E 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 UL recognition: 2500 V rms for 1 minute per UL 1577 VDE Certificates of Conformity DIN EN 60747-5-2 (VDE 0884 Part 2): 2003-01 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 FUNCTIONAL BLOCK DIAGRAM VCC VISOOUT isoPower DC-TO-DC CONVERTER OSCILLATOR RECTIFIER REGULATOR VISOIN DIGITAL ISOLATION iCoupler TxD ENCODE DECODE TRANSCEIVER D Y Z DE ENCODE DECODE RxD DECODE ENCODE A R B RE ADM2582E/ADM2587E GND1 ISOLATION BARRIER Figure 1.
GND2 08111-001 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 si...


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