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ISO6431

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Noise-immune, three-channel, 2 forward/1 reverse, digital isolator

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Data sheet

ISO6431

ACTIVE
Data sheet Order now

Product details

Rating Catalog Operating temperature range (°C) to
Rating Catalog Operating temperature range (°C) to
SSOP (DBQ) 16 29.4 mm² 4.9 x 6
  • Functional Safety-Capable:
    • Documentation available to aid IEC 61508 system design
  • Up to 150Mbps data rate
  • Robust SiO2 isolation barrier:
    • High lifetime at up to 1061VRMS and 1500VDC working voltage
    • Up to 5000VRMS isolation rating
    • Up to 10.4kV surge capability
    • Up to ±200kV/µs minimum CMTI
    • Wide temperature range: –40°C to 125°C ambient operating
  • Supply range: 2.25V to 5.5V
  • Overvoltage Tolerant Inputs
  • Default output high (ISO643x) and low (ISO643xF) 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 3.3V
  • Robust electromagnetic compatibility (EMC)
    • System-level ESD, EFT, and surge immunity
    • Low emissions
  • Small Footprint Packages:
    • Wide-SSOP (DFP-16) Package
    • SSOP (DBQ-16) Package
  • Safety-Related Certifications (Planned):
    • DIN EN IEC 60747-17 (VDE 0884-17)
    • UL 1577 and CSA CAS Notice No. 5A
    • IEC 62368-1, IEC 61010-1 and GB 4943.1 certifications
  • Functional Safety-Capable:
    • Documentation available to aid IEC 61508 system design
  • Up to 150Mbps data rate
  • Robust SiO2 isolation barrier:
    • High lifetime at up to 1061VRMS and 1500VDC working voltage
    • Up to 5000VRMS isolation rating
    • Up to 10.4kV surge capability
    • Up to ±200kV/µs minimum CMTI
    • Wide temperature range: –40°C to 125°C ambient operating
  • Supply range: 2.25V to 5.5V
  • Overvoltage Tolerant Inputs
  • Default output high (ISO643x) and low (ISO643xF) 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 3.3V
  • Robust electromagnetic compatibility (EMC)
    • System-level ESD, EFT, and surge immunity
    • Low emissions
  • Small Footprint Packages:
    • Wide-SSOP (DFP-16) Package
    • SSOP (DBQ-16) Package
  • Safety-Related Certifications (Planned):
    • DIN EN IEC 60747-17 (VDE 0884-17)
    • UL 1577 and CSA CAS Notice No. 5A
    • IEC 62368-1, IEC 61010-1 and GB 4943.1 certifications
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NEW ISO6041 ACTIVE Low power with high bandwidth, four-channel 3 forward/1 reverse reinforced digital isolator Pin-to-pin performance upgrade; <5ps jitter, <1.2ns pulse width distortion, 200 Mbps max data rate, <1mA/ch Icc @ 15Mbps, and supports >25Mhz SPI for precision applications

Technical documentation

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Top documentation Type Title Format options Date
* Data sheet ISO643x General-Purpose, Basic and Reinforced , Triple -Channel Digital Isolators datasheet PDF | HTML 01 Jun 2026
Application note Small Form Factor Digital Isolator Packages Reduce PCB Size While Maintaining Creepage and Clearance Distances PDF | HTML 01 Jul 2026
Functional safety information ISO6431 and ISO6431-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 12 May 2026

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

DIGI-ISO-EVM — Universal digital isolator evaluation module

DIGI-ISO-EVM is an evaluation module (EVM) used to evaluate any of the TI single-channel, dual-channel, triple-channel, quad-channel or six-channel digital isolator devices in five different packages - 8-pin narrow-body SOIC (D), 8-pin wide-body SOIC (DWV), 16-pin wide-body SOIC (DW), 16-pin ultra- (...)

User guide: PDF | HTML
Not available on TI.com
Package Pins CAD symbols, footprints & 3D models
SSOP (DBQ) 16 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

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  • Ongoing reliability monitoring
Information included:
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