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LM2901 Quad Comparator: Pinout, Equivalent and Datasheet

Q: What is the difference between LM2901 and LM2904?

LM2901 is a low-power, low-offset voltage quad comparator. LM2904 is a low-power dual operational amplifier.

Q: What is the difference between LM2901DT and LM2901PT?

LM2901DT and LM2901PT are packaged differently. LM2901DT is SO-14 package (small outline package). LM2901PT is in TSSOP-14 package (thin shrinking SOP package).

Q: Since LM2901 cannot be bought, can I directly replace it with LM2902? What is the difference between them?

You cannot directly replace LM2901 with LM2902. Because the pin arrangement of the two is different.

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Published: 28 December 2021 | Last Updated: 28 December 2021

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datasheet pdf and product details from stock available at Utmel

Purchase Guide

The LM2901 comparator is designed for use in level detection, low−level sensing and memory applications in consumer, automotive, and industrial electronic applications. Furthermore, Huge range of Semiconductors, Capacitors, Resistors and IcS in stock. Welcome RFQ.

In this video, the Comparator circuit and its different configurations like inverting comparator, Non-Inverting Comparator, and window comparator have been explained.

Comparator Explained (Inverting Comparator, Non-Inverting Comparator and Window Comparator)

Catalog

LM2901 Pinout

Pinout

LM2901 CAD Model

Symbol

Footprint

3D Model.png

3D Model

LM2901 Overview

The LM2901 comparator is designed for use in level detection, low−level sensing and memory applications in consumer, automotive, and industrial electronic applications. The LM2901 series consists of four independent high-precision voltage comparators with a low offset voltage of 2 for all four comparison mV maximum specifications. These were canceled specifically signed to work in a wide voltage range from a single power supply.

This article provides you with a basic overview of the LM2901 Quad Comparator, including its pin descriptions, features and specifications, etc., to help you quickly understand what LM2901 is.

LM2901 Features

● Single Supply Operation: 3.0 V to 36 V

● Split Supply Operation: ±1.5 V to ±18 V

● Low Input Bias Current: 25 nA (Typ)

● Low Input Offset Current: ±5.0 nA (Typ)

● Low Input Offset Voltage

● Input Common Mode Voltage Range to GND

● Low Output Saturation Voltage: 130 mV (Typ) @ 4.0 mA

● TTL and CMOS Compatible

● ESD Clamps on the Inputs Increase Reliability without Affecting Device Operation

● NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable

● The Device is Pb−Free, Halogen Free/BFR Free and are RoHS Compliant

Specifications

technical specifications, attributes, parameters and parts with similar specifications to .

Type
Parameter

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LM2901 Functional Block Diagram

Circuit Schematic (Diagram shown is for 1 comparator).png

Circuit Schematic (Diagram shown is for 1 comparator)

LM2901 Equivalent

Model number	Manufacturer	Description
LM2901DR2	On Semiconductor	QUAD COMPARATOR, 15000uV OFFSET-MAX, 1300ns RESPONSE TIME, PDSO14, SOIC-14
LM2901D	Samsung Semiconductor	Comparator, 15000uV Offset-Max, 1400ns Response Time, BIPolar, PDSO14,
LM2901M	Fairchild Semiconductor Corporation	Comparator, 4 Func, 15000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14, SOP-14
LM2901VD	Motorola Semiconductor Products	Comparator, 4 Func, 15000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14, PLASTIC, SO-14
LM2901VDR2	On Semiconductor	QUAD COMPARATOR, 15000uV OFFSET-MAX, 1300ns RESPONSE TIME, PDSO14, SOIC-14
KA2901DTF	On Semiconductor	Comparator, Quad, 3000-REEL
KA2901DMTF	Rochester Electronics LLC	Comparator, 4 Func, 15000uV Offset-Max, 1400ns Response Time, BIPolar, PDSO14, SOP-14
LM2901QN	Rochester Electronics LLC	Comparator, 4 Func, 15000uV Offset-Max, 1300ns Response Time, BIPolar, PDIP14, PLASTIC, DIP-14
LM2901NG	Rochester Electronics LLC	Comparator, 4 Func, 15000uV Offset-Max, 1300ns Response Time, BIPolar, PDIP14, HALOGEN FREE AND ROHS COMPLIANT PLASTIC DIP-14
LM2901DBLE	Texas Instruments	QUAD COMPARATOR, 15000uV OFFSET-MAX, 1300ns RESPONSE TIME, PDSO14

Parts with Similar Specs

LM2901 Applications

● Zero Crossing Detector (Single Supply)

● Zero Crossing Detector (Split Supplies)

● Industrial Electronic Applications

LM2901 Package

Package

LM2901 Marking Diagram

Marking Diagrams.png

Marking Diagram

LM2901 Soldering Footprint

Soldering Footprint.png

Soldering Footprint

LM2901 Manufacturer

ON Semiconductor (Nasdaq: ON) is driving energy efficient innovations, empowering customers to reduce global energy use. The company offers a comprehensive portfolio of energy efficient power and signal management, logic, discrete and custom solutions to help design engineers solve their unique design challenges in automotive, communications, computing, consumer, industrial, LED lighting, medical, military/aerospace and power supply applications. ON Semiconductor operates a responsive, reliable, world-class supply chain and quality program, and a network of manufacturing facilities, sales offices and design centers in key markets throughout North America, Europe, and the Asia Pacific regions.

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Frequently Asked Questions

What is the difference between LM2901 and LM2904?

LM2901 is a low-power, low-offset voltage quad comparator. LM2904 is a low-power dual operational amplifier.

What is the difference between LM2901DT and LM2901PT?

LM2901DT and LM2901PT are packaged differently. LM2901DT is SO-14 package (small outline package). LM2901PT is in TSSOP-14 package (thin shrinking SOP package).

Since LM2901 cannot be bought, can I directly replace it with LM2902? What is the difference between them?

You cannot directly replace LM2901 with LM2902. Because the pin arrangement of the two is different.

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