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The ISO1I81xT digital input product family is a intelligent system solution offering robust galvanic isolation between the between the μC on the “control side” and the 24V factory floor environment, frequently referred to as the "process side"

Summary of Features:

  • Temperature range up to 135°C tjunction
  • Low temperature drift
  • Superior EMI robustness


  • Ideal for highly compact industrial applications
  • Robust over operational lifetime
  • Secure data transfer under very harsh conditions

Target Applications:

  • Programmable Logic Controllers
  • Distributed Control Systems
  • Industrial PCs 
  • General Control Equipment
  • Sensor Input Modules

Parametric ISO1I811T
Budgetary Price €€/1k   3.25 

Data Sheet

Title Size Date Version
1.8 MB 14 Jun 2012 02_00

Application Notes

Title Size Date Version
1.5 MB 08 Sep 2011 01_02

Product Brief

Title Size Date Version
272 KB 22 Jan 2014 01_02
574 KB 31 Jan 2012 01_00
159 KB 08 Feb 2016 01_00
949 KB 28 Oct 2014 01_00


Title Size Date Version
1.6 MB 25 Jun 2013 01_00
3.9 MB 23 Apr 2013 01_00
383 KB 23 Apr 2013 01_00
1.1 MB 17 Oct 2011 01_00
249 KB 17 Oct 2011 01_00

Additional Product Information

Title Size Date Version
179 KB 15 Jun 2015 01_00


Title Size Date Version
381 KB 31 Jan 2013 01_00

Material Content SheetInfo

Title Size Date Version
23 KB 31 Oct 2013 01_00
Sales Product Name ISO1I811T
Product Status active and preferred
Order online Buy online
Package Name PG-TSSOP-48
Completely lead free yes
Halogen free yes
RoHS compliant yes
Packing Size 2000
Packing Type TAPE & REEL
Moisture Level 3

Evaluation Boards

Board Family Description Status
EVAL ISO1I811T High/Low Side Switch ISOFACE™ ISO1I811T Evaluation Board for galvanically isolated 8-Channel Digital Input ICs with IEC61131-2 compatible characteristics for industrial applications
  • ISO1I811T
active and preferred

Package Data

Title Size Date Version
506 KB 11 Apr 2016 01_00

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