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ISO6441 - Quad-Channel Digital Isolators

Description

The ISO644x devices are general purpose digital isolators designed for applications requiring up to 5000VRMS isolation rating per UL 1577.

The devices are also certified by VDE, TUV, CSA, and CQC.

The ISO644x devices provide high EMC performance while isolating CMOS or LVCMOS digital I/Os.

Features

  • Up to 150Mbps data rate.
  • Robust SiO2 isolation barrier:.
  • High lifetime at up to 1061VRMS and 1500VDC working voltage.
  • Wide temperature range:.
  • 40°C to 125°C ambient operating.
  • Up to 5000VRMS isolation rating.
  • Up to 10.4kV surge capability.
  • Up to ±200kV/μs minimum CMTI.
  • Supply range: 2.25V to 5.5V.
  • Overvoltage Tolerant Inputs.
  • Default output high ( ISO644x ) and low ( ISO644xF ) options.
  • Lo.

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Other Datasheets by Texas Instruments

Part Number Description
ISO6441F Quad-Channel Digital Isolators
ISO6720 General Purpose Basic Dual-Channel Digital Isolators
ISO6721 General Purpose Basic Dual-Channel Digital Isolators
ISO6721R General Purpose Basic Dual-Channel Digital Isolators
ISO6740 General-Purpose Reinforced Quad-Channel Digital Isolators

Full PDF Text Transcription

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ISO6441 SLLSG01A – SEPTEMBER 2024 – REVISED JUNE 2025 ISO644x General-Purpose, Basic and Reinforced, Quad-Channel Digital Isolators 1 Features • Up to 150Mbps data rate • Robust SiO2 isolation barrier: – High lifetime at up to 1061VRMS and 1500VDC working voltage – Wide temperature range: –40°C to 125°C ambient operating – Up to 5000VRMS isolation rating – Up to 10.4kV surge capability – Up to ±200kV/μs minimum CMTI • Supply range: 2.25V to 5.5V • Overvoltage Tolerant Inputs • Default output high ( ISO644x ) and low ( ISO644xF ) options • Low propagation delay: 10ns maximum at 5V, 12ns maximum at 3.3V • Supports SPI up to: 25MHz at 5V, 20.8MHz at 3.3V • Low pulse width distortion: 1.8ns maximum at 5V, 2.2ns maximum at 3.
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