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On Dec 9, 2025


Introduction

The Analog Comparators LM311P by Texas Instruments are high-speed, precision voltage comparators designed for reliable decision-making in analog signal processing. Widely used in Semiconductors, Integrated Circuits - ICs, Amplifier ICs, Analog Comparators, the LM311P offers fast response, flexible output configuration, and robust performance for industrial, automotive, and consumer designs. Engineers trust this classic comparator for threshold detection, zero-crossing applications, and waveform shaping. Now available globally at www.xonelec.com from x-on electronics and xon electronics.


Technical Specifications of LM311P

  • Manufacturer: Texas Instruments

  • Part Number: LM311P

  • Category: Semiconductors, Integrated Circuits - ICs, Amplifier ICs, Analog Comparators

  • Comparator Type: Single

  • Supply Voltage Range: ±5V to ±15V (single or dual supply)

  • Input Offset Voltage: ~7.5 mV (typical)

  • Propagation Delay: ~200 ns (typical)

  • Output Type: Open collector

  • Operating Temperature: 0°C to +70°C (commercial grade)

  • Package Type: PDIP-8

These specifications make the LM311P a dependable choice for precision comparator circuits in Semiconductors, Integrated Circuits - ICs, Amplifier ICs, Analog Comparators designs.


Key Features of LM311P

  • High-speed voltage comparison with fast response time

  • Open-collector output for flexible logic-level interfacing

  • Wide single or dual supply voltage operation

  • Excellent stability and noise immunity

  • Industry-proven reliability from Texas Instruments

  • Ideal for Semiconductors, Integrated Circuits - ICs, Amplifier ICs, Analog Comparators applications


Applications of LM311P

The LM311P Analog Comparators by Texas Instruments are widely used in:

  • Zero-crossing detectors

  • Threshold and window comparators

  • Pulse and square-wave generation

  • Overvoltage and undervoltage detection

  • Industrial control and monitoring systems

  • Power supply protection circuits

These applications highlight why LM311P remains a popular component across Semiconductors, Integrated Circuits - ICs, Amplifier ICs, Analog Comparators.


Wiring and Connection Overview

  • Differential input configuration for accurate voltage comparison

  • Open-collector output requires pull-up resistor

  • Supports TTL, CMOS, and MOS logic interfacing

  • PDIP-8 package simplifies prototyping and through-hole assembly

This flexibility allows easy integration of LM311P into Semiconductors, Integrated Circuits - ICs, Amplifier ICs, Analog Comparators based designs.


Use Case Scenario: Industrial Threshold Detection

Problem: Industrial sensors produce analog signals requiring precise threshold detection to trigger alarms.
Solution: Engineers implemented LM311P Analog Comparators by Texas Instruments for stable and fast switching.
Result: Improved accuracy, reduced false triggers, and enhanced system reliability in Semiconductors, Integrated Circuits - ICs, Amplifier ICs, Analog Comparators applications.


Download Datasheet for LM311P

The complete electrical characteristics, pin configuration, and application notes are available in the LM311P datasheet on XON Electronics.


Also Available from Other Manufacturers

You can also source similar Analog Comparators from:

These alternatives provide additional sourcing flexibility for Semiconductors, Integrated Circuits - ICs, Amplifier ICs, Analog Comparators requirements.


Why Buy LM311P from XON Electronics?

  • Wide inventory of Semiconductors, Integrated Circuits - ICs, Amplifier ICs, Analog Comparators

  • Genuine Texas Instruments components

  • Worldwide shipping to USA, India, Australia, Europe & other countries

  • Competitive pricing for small and bulk orders

  • Trusted distributor for long-term component availability

Order confidently from www.xonelec.com.


FAQs – LM311P Analog Comparator

Q1: Is LM311P suitable for high-speed applications?
Yes, it offers fast propagation delay suitable for rapid voltage comparisons.

Q2: What type of output does LM311P have?
It features an open-collector output for flexible interfacing.

Q3: Can LM311P operate on single supply?
Yes, it supports both single and dual supply configurations.

Q4: Is LM311P still relevant for modern designs?
Absolutely. Its reliability and simplicity keep it popular in industrial circuits.

Q5: Where can I buy LM311P online?
You can purchase it from x-on electronics at www.xonelec.com.


Conclusion

The LM311P Analog Comparators by Texas Instruments continue to deliver precise voltage comparison, fast response, and design flexibility. As a proven solution in Semiconductors, Integrated Circuits - ICs, Amplifier ICs, Analog Comparators, LM311P is ideal for industrial, power, and control applications. Secure your authentic components today from xon electronics.


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