IL2985E

The IL2985E Isolation Interface IC is a high-performance solution for industrial communication, offering very low quiescent current, a 4 Mbps data rate, support for up to 32 nodes, a wide power supply range (3 V to 5 V), excellent common mode transient immunity, high isolation voltage (2500 VRMS), extended barrier life (44000 years), built-in ESD protection, low EMC footprint, thermal shutdown protection, and a wide temperature range (-40°C to 85°C). It also complies with industry standards and certifications, making it a reliable and versatile choice for industrial applications.

·Metering

·Battery-powered RS-485 nodes

·Factory automation

·Industrial control networks

·Building environmental controls

·Equipment covered under IEC 61010-1 Edition 3

The IL2985 is a low-power, galvanically isolated, high-speed differential bus transceiver. The device uses NVE’s patented* lowpower spintronic Tunneling Magnetoresistance (TMR) technology.

A unique ceramic/polymer composite barrier provides excellent isolation and virtually unlimited barrier life.

The IL2985 delivers at least 1.5 V into a 54 Ω load for excellent data integrity over long cable lengths. The device is compatible with 5 V busses and 5 V or 3.3 V controller-side supplies.

Current limiting and thermal shutdown features protect against output short circuits and bus contention that may cause excessive power dissipation. Receiver inputs feature a “fail-safe if open” design, ensuring a logic high R-output if A/B are floating.

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