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LM2903DR SOIC-8 (4.90x3.91 mm) packageRepresentative package image. See datasheet for exact dimensions.

LM2903DR

by Texas Instruments

Dual comparator, 2 V to 32 V supply, -40 °C to 125 °C, SOIC-8

ManufacturerTexas Instruments
CategoryAmplifiers & Comparators
SeriesLM2903
PackageSOIC-8 (4.90x3.91 mm)
LifecycleActive
DatasheetLM2903DR PDF
Availability
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LM2903DR Datasheet PDF

LM2903DR DatasheetPDF · Texas InstrumentsNeed qty? Get a quote

Official Texas Instruments datasheet. Quotes include unit price, available quantity, lead time and photos of the actual parts with the date code.

LM2903DR Pinout & Package

LM2903DR is supplied in a SOIC-8 (4.90x3.91 mm) package. The full pin configuration, pin descriptions and mechanical drawing are published in the Texas Instruments datasheet (open LM2903DR datasheet PDF). Always check the footprint against the latest datasheet revision before layout.

LM2903DR Overview

The LM2903DR is the SOIC-8 orderable of the TI LM2903 dual voltage comparator: two independent comparators from a single 2 V to 32 V supply, with open-collector outputs compatible with TTL, MOS and CMOS. Data from TI datasheet SLCS005.

Key Features

  • Two independent comparators
  • Supply 2 V to 32 V
  • -40 °C to 125 °C
  • Input bias current 25 nA typ
  • Response time 1.3 µs typ
  • Common-mode range includes ground

Applications

  • Motor drives and factory automation
  • Power supplies and UPS
  • Building automation, appliances

LM2903DR Specifications

Part NumberLM2903DR
ManufacturerTexas Instruments
CategoryAmplifiers & Comparators
SeriesLM2903
Package / CaseSOIC-8 (4.90x3.91 mm)
Channels2 (dual comparator)
Supply voltage2 V to 32 V
Temperature range-40 °C to 125 °C
Input bias current (typ)25 nA
Response time (typ)1.3 µs
Lifecycle StatusActive

Specifications are taken from the manufacturer's public datasheet and are for reference. Confirm against the latest datasheet before design-in.

LM2903DR Alternatives & Equivalents

Part NumberManufacturerCompatibilityRFQ
LM393DRTexas Instrumentssame dual-comparator family, 0 °C to 70 °C grade
LM393BIDRTexas InstrumentsB-version, drop-in per TI datasheet
LM2903PWRTexas Instrumentssame die, TSSOP-8

Alternatives are for reference. Verify pinout, electrical characteristics and firmware against each datasheet before substituting.

LM2903DR Guides & Comparisons

More engineering notes on the PartVane blog.

LM2903DR FAQ

Who manufactures LM2903DR?

LM2903DR is manufactured by Texas Instruments and belongs to the LM2903 series. It is listed under Amplifiers & Comparators.

What is LM2903DR?

LM2903DR: Dual comparator, 2 V to 32 V supply, -40 °C to 125 °C, SOIC-8.

What package does LM2903DR come in?

LM2903DR comes in a SOIC-8 (4.90x3.91 mm) package.

Where can I download the LM2903DR datasheet and pinout?

The Texas Instruments datasheet for LM2903DR is linked in the Datasheet section of this page (https://www.ti.com/lit/ds/symlink/lm2903.pdf). The pin configuration and package drawing are in that datasheet.

Is LM2903DR still in production?

The manufacturer lists LM2903DR as Active.

What is the equivalent or alternative to LM2903DR?

Documented alternatives to LM2903DR: LM393DR (Texas Instruments, same dual-comparator family, 0 °C to 70 °C grade); LM393BIDR (Texas Instruments, B-version, drop-in per TI datasheet); LM2903PWR (Texas Instruments, same die, TSSOP-8). Always verify pinout and electrical characteristics against each datasheet before substituting.

Do you have LM2903DR in stock?

Yes. PartVane holds stock of LM2903DR. Send the quantity you need and we will confirm the available quantity, date code and delivery in the quotation.

How do I get a price and availability for LM2903DR?

Message the owner on WhatsApp (+86 139 3944 9974), use the quote form on this page or email sales@partvane.com with the quantity and target delivery date. On WhatsApp we quote within 2 hours during business hours (Mon–Sat, 09:00–18:00 China time (UTC+8)); every RFQ is answered within 24 hours. The quotation includes unit price, availability, lead time and photos of the actual parts with the date code / lot label.

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