ADM2587E

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 in...