ISO1540DR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

ISO1540DR product

ISO1540DR

Digital Isolators

I2C IsolatorBidirectionalCapacitive Isolation

The ISO1540DR is a high-performance, bidirectional I2C isolator from Texas Instruments, ideal for multi-master I2C bus isolation.

Best for

  • Multi-master I2C systems
  • Isolated communication interfaces

Avoid if

  • Unidirectional communication is sufficient (use ISO1541 instead)

Check before use

  • Bus capacitance limits
  • Pull-up resistor sizing

Key specifications

Isolation
2500 VRMS
Max Frequency
1 MHz
Channels
2 Bidirectional
Temp Range
-40°C to +125°C

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
Level-2-260C-1 YEAR
ECCN
-
HTSUS
-

Application

IndustrialPower

CAD Models

Download ECAD models for ISO1540DR: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The ISO1540DR is a low-power, bidirectional I2C isolator that uses capacitive isolation to separate I2C bus signals while maintaining communication integrity.