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ISO1540DR

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ISO1540DR

Part NumberISO1540DR
ManufacturerTexas Instruments
CategoryIsolators; Digital Isolators
Description2-Channel Bidirectional I2C Digital Isolator, 2.5kVrms, 1Mbps, SOIC-8 Package

Product Overview

The ISO1540DR is a high-reliability, bidirectional digital isolator specifically designed for I2C communication interfaces. It provides galvanic isolation up to 2.5kVrms while supporting bidirectional data transfer without external direction control, making it ideal for isolated I2C, SMBus, and PMBus systems. The device features low power consumption, high noise immunity, wide operating voltage range, and integrated glitch filtering for stable communication in harsh industrial environments. With its compact SOIC-8 surface-mount package and industry-standard pinout, it enables easy integration into isolated sensor interfaces, industrial controls, and power management systems.

Key Specifications
RoHS StatusRoHS Compliant
EDA / CAD Models3D Model, Symbol, Footprint Available
Warranty2-Year Warranty
BrandTexas Instruments
Isolation Voltage2500 Vrms
Data Rate1 Mbps
Channels2-Channel Bidirectional (I2C)
Package TypeSOIC-8
Operating Temperature-40°C to +125°C

Typical Applications

  • Isolated I2C / SMBus / PMBus Interfaces
  • Industrial Automation & Control Systems
  • Isolated Sensor Communication
  • Power Supply Monitoring & Control
  • Motor Drives & Inverter Systems
  • Battery Management Systems (BMS)
  • Ground Loop Elimination & Noise Isolation
  • Embedded Isolated Communication Modules

Technical Support

For datasheet, sample requests, stock check, or bulk pricing, please use the Quick Inquiry form. We will reply within 24 hours.

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