Texas Instruments · amplifier IC

LM311

Texas Instruments amplifier IC

Part-number family from National Semiconductor (now Texas Instruments, 2011). Older stock may carry National Semiconductor markings.

Request a quote for LM311

LM311 is an amplifier IC product family from Texas Instruments; it is supplied under several orderable part numbers that differ in package, temperature grade and packing. It is listed in our Amplifiers & Comparators catalog (Analog & Mixed Signal).

PartnerSemi sources the LM311 for production, repair and maintenance buyers worldwide. Send the quantity you need and, optionally, a target price; we reply with price, lead time and available date codes, usually within one business day.

Specifications

Manufacturer part numberLM311
ManufacturerTexas Instruments
Heritage brand (part family)National Semiconductor
Product typeamplifier IC
CategoryAmplifiers & Comparators
Part number typeBase / family part number

Specifications are indicative and taken from public catalog data; always verify against the manufacturer's datasheet.

More Texas Instruments Amplifiers & Comparators

Part numberTypePackageKey specs
LM293ADR Comparators SOIC-8 1V~18V, -18V~-1V2
LM293D Comparators SOIC-8 36V2
LM293DR Comparators SOIC-8 1V~18V, -18V~-1V2
LM293P Comparators PDIP-8 2V~18V, -18V~-2V2
LM311DR Comparators SOIC-8 ±15V1
LM311M/NOPB Comparators SOIC-8 -18V~-2.5V, 2.5V~18V1
LM311MX/NOPB Comparators SOIC-8 ±15V1
LM311-N amplifier IC

Similar part numbers from other manufacturers

Similar numbering only — not a confirmed equivalent. Ask us to check compatibility.

Part numberManufacturerTypePackageKey specs
LM311 STMicroelectronics Amplifiers & comparator
LM311N HGSEMI Comparators DIP-8 ±15V1
LM311DG onsemi Analog Comparators SOIC-8_3.9x4.9x1.27P
LM311DT STMicroelectronics Comparators SOP-8 ±15V1
LM311M/TR HGSEMI Comparators SOP-8 ±15V1
LM311DR2G onsemi Comparators SOIC-8 ±15V1
LM311DR-CN ChipNobo Comparators SOP-8 1.75V~15V, -15V~-1.75V1
LM311DR(UMW) UMW Youtai Semiconductor Co Ltd Comparators SOP-8 ±15V1

Frequently asked questions

What is the LM311?

LM311 is an amplifier IC product family from Texas Instruments; it is supplied under several orderable part numbers that differ in package, temperature grade and packing. It is listed in our Amplifiers & Comparators catalog (Analog & Mixed Signal).

Which part numbers are similar to the LM311?

Similar part numbers in our catalog include LM311 (STMicroelectronics), LM311N (HGSEMI), LM311DG (onsemi), LM311DT (STMicroelectronics), LM311M/TR (HGSEMI) and LM311DR2G (onsemi). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.

How can I buy the LM311?

Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=LM311&brand=Texas%20Instruments or email info@partnersemi.com with the part number and quantity. Price, availability and lead time are confirmed per request; we ship worldwide from the Netherlands.