• Menu
  • Product
  • Email
  • PDF
  • Order now

  • Comparator Input Types

    • SNOAA91 may   2023 TLV1812 , TLV1851 , TLV7011

       

  • CONTENTS
  • SEARCH
  • Comparator Input Types
  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Input Types
    1. 2.1 Classic Bipolar Inputs
    2. 2.2 ESD Protected Inputs
    3. 2.3 "Fail-Safe" and "Fault Tolerant" Inputs
      1. 2.3.1 LM339 Family - The Original "Fail-Safe" Input
      2. 2.3.2 Modern "Fail-Safe" Inputs
    4. 2.4 "Over-the-Rail" Inputs
  6. 3Identifying The Difference Between The Input Types
    1. 3.1 Older Bipolar Device Inputs
    2. 3.2 Identifying ESD Clamped Inputs
    3. 3.3 Identifying "Failsafe" or "Over-The-Rail" Inputs
  7. 4Precautions for "Failsafe" and "Over-The-Rail" Inputs
  8. 5Negative Input Voltages
  9. 6Input Types Comparison Table
  10. 7Summary
  11. 8References
  12. IMPORTANT NOTICE
search No matches found.
  • Full reading width
    • Full reading width
    • Comfortable reading width
    • Expanded reading width
  • Card for each section
  • Card with all content

 

Application Note

Comparator Input Types

Abstract

This Application Note will discuss the differences between the classic NPN, PNP, ESD clamp protected, "Fault Tolerant", "Failsafe" and "Above-the-Rail" input types.

Trademarks

All trademarks are the property of their respective owners.

1 Introduction

There are several types of inputs for comparators, and this may cause some confusion. This appnote will attempt to explain and clarify the various differences between the types and precautions needed for these types.

2 Input Types

 
Texas Instruments

© Copyright 1995-2025 Texas Instruments Incorporated. All rights reserved.
Submit documentation feedback | IMPORTANT NOTICE | Trademarks | Privacy policy | Cookie policy | Terms of use | Terms of sale