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ISO7421 Datasheet Low-power Dual-channel Digital Isolators

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community ISO7420, ISO7420M, ISO7421 SLLS984I – JUNE 2009 – REVISED JULY 2015 ISO742x Low-Power Dual-Channel Digital Isolators.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The ISO7420, ISO7420M and ISO7421 provide galvanic isolation up to 2500 VRMS for 1 minute per UL.

These digital isolators have two isolated channels.

Each isolation channel has a logic input and output buffer separated by a silicon dioxide (SiO2) insulation barrier.

Key Features

  • 1 Highest Signaling Rate: 1 Mbps.
  • Low Power Consumption, Typical ICC per Channel (3.3-V operation):.
  • ISO7420: 1.1 mA, ISO7421: 1.5 mA.
  • Low Propagation Delay.
  • 9 ns Typical.
  • Low Skew.
  • 300 ps Typical.
  • Wide TA Range:.
  • 40°C to 125°C (M-Grade).
  • 50-kV/μs Transient Immunity, Typical.
  • Over 25-Year Isolation Integrity at Rated Voltage.
  • Operates From 3.3-V and 5-V Supply and Logic Levels.
  • 3.3.

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More Datasheets from Texas Instruments

Part Number Description
ISO7421-EP Low-Power Dual Digital Isolators
ISO7421A-Q1 LOW-POWER DUAL DIGITAL ISOLATORS
ISO7421E Low-Power Dual Channel Digital Isolators
ISO7421E-Q1 Low-power dual digital isolators
ISO7421FE Low-Power Dual Channel Digital Isolators
ISO7420 Low-Power Dual-Channel Digital Isolators
ISO7420E Low-Power Dual Channel Digital Isolators
ISO7420FCC Low-Power Dual Channel Digital Isolator
ISO7420FE Low-Power Dual Channel Digital Isolators
ISO7420M Low-Power Dual-Channel Digital Isolators