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ISO1540 - Low-Power Bidirectional I2C Isolators

Description

The ISO1540 and ISO1541 devices are low-power, bidirectional isolators that are compatible with I2C interfaces.

These devices have logic input and output buffers that are separated by Texas Instruments Capacitive Isolation technology using a silicon dioxide (SiO2) barrier.

Features

  • Isolated bidirectional, I2C compatible, communication.
  • Supports up to 1-MHz operation.
  • 3-V to 5.5-V supply range.
  • Open-drain outputs With 3.5-mA Side 1 and 35- mA Side 2 sink current capability.
  • 40°C to +125°C operating temperature.
  • ±50-kV/µs transient immunity (Typical).
  • HBM ESD protection of 4 kV on all pins; 8 kV on bus pins.
  • Safety-related certifications:.
  • 4242-VPK isolation per DIN EN IEC 60747-17 (VD.

📥 Download Datasheet

Datasheet preview – ISO1540

Datasheet Details

Part number ISO1540
Manufacturer Texas Instruments
File Size 1.23 MB
Description Low-Power Bidirectional I2C Isolators
Datasheet download datasheet ISO1540 Datasheet
Additional preview pages of the ISO1540 datasheet.

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Other Datasheets by Texas Instruments
  • ISO1540-Q1 - Low-Power Bidirectional I2C Isolators
  • ISO1541 - Low-Power Bidirectional I2C Isolators
  • ISO1541-Q1 - Low-Power Bidirectional I2C Isolators
  • ISO15 - 3.3-V Half- and Full-Duplex RS-485 Transceivers
  • ISO1500 - RS-485/RS-422 Transceiver
  • ISO15M - 3.3-V Half- and Full-Duplex RS-485 Transceivers
  • ISO1042 - CAN Transceiver
  • ISO1042-Q1 - Automotive Isolated CAN Transceiver

Full PDF Text Transcription

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ISO1540, ISO1541 SLLSEB6F – JULY 2012 – REVISED DECEMBER 2022 ISO154x Low-Power Bidirectional I2C Isolators 1 Features • Isolated bidirectional, I2C compatible, communication • Supports up to 1-MHz operation • 3-V to 5.5-V supply range • Open-drain outputs With 3.5-mA Side 1 and 35- mA Side 2 sink current capability • –40°C to +125°C operating temperature • ±50-kV/µs transient immunity (Typical) • HBM ESD protection of 4 kV on all pins; 8 kV on bus pins • Safety-related certifications: – 4242-VPK isolation per DIN EN IEC 60747-17 (VDE 0884-17) – 2500-VRMS isolation for 1 minute per UL 1577 – CSA approval per IEC 62368-1 end equipment standard – CQC basic insulation per GB4943.
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