Texas Instruments · Comparators

LM311DR

Texas Instruments Comparators · SOIC-8

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

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The LM311DR is a Comparators from Texas Instruments, supplied in a SOIC-8 package. It is listed in our Amplifiers & Comparators catalog (Analog & Mixed Signal).

Key specifications of the LM311DR: dual supply ±15V, number of channels 1, ib - input bias current 250nA, operating temperature 0°C~+70°C, maximum power supply range (vdd-vss) 36V and output mode TTL, CMOS.

PartnerSemi sources the LM311DR 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 numberLM311DR
ManufacturerTexas Instruments
Heritage brand (part family)National Semiconductor
Product typeComparators
CategoryAmplifiers & Comparators
Package / caseSOIC-8
Dual Supply±15V
Ib - Input Bias Current250nA
Maximum Power Supply Range (Vdd-Vss)36V
Number of Channels1
Operating Temperature0°C~+70°C
Output ModeTTL, CMOS
Output TypeOpen Collector
Propagation Delay Time165ns
Quiescent Current7.5mA
Single Supply5V~30V
Vos - Input Offset Voltage7.5mV

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

More Texas Instruments Amplifiers & Comparators

Part numberTypePackageKey specs
LM293D Comparators SOIC-8 36V2
LM293DR Comparators SOIC-8 1V~18V, -18V~-1V2
LM293P Comparators PDIP-8 2V~18V, -18V~-2V2
LM311 amplifier IC
LM311M/NOPB Comparators SOIC-8 -18V~-2.5V, 2.5V~18V1
LM311MX/NOPB Comparators SOIC-8 ±15V1
LM311-N amplifier IC
LM311N/NOPB Comparators PDIP-8 ±15V1

Similar part numbers from other manufacturers

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

Part numberManufacturerTypePackageKey specs
LM311DG onsemi Analog Comparators SOIC-8_3.9x4.9x1.27P
LM311DT STMicroelectronics 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 LM311DR?

The LM311DR is a Comparators from Texas Instruments, supplied in a SOIC-8 package. It is listed in our Amplifiers & Comparators catalog (Analog & Mixed Signal).

What are the specifications of the LM311DR?

Dual Supply: ±15V; Ib - Input Bias Current: 250nA; Maximum Power Supply Range (Vdd-Vss): 36V; Number of Channels: 1; Operating Temperature: 0°C~+70°C; Output Mode: TTL, CMOS; Output Type: Open Collector; Propagation Delay Time: 165ns; Quiescent Current: 7.5mA; Single Supply: 5V~30V; Vos - Input Offset Voltage: 7.5mV.

What package is the LM311DR in?

The LM311DR is listed in a SOIC-8 package.

Which part numbers are similar to the LM311DR?

Similar part numbers in our catalog include LM311DG (onsemi), LM311DT (STMicroelectronics), LM311DR2G (onsemi), LM311DR-CN (ChipNobo) and LM311DR(UMW) (UMW Youtai Semiconductor Co Ltd). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.

How can I buy the LM311DR?

Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=LM311DR&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.