LM2903

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Low power dual voltage comparator

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  • This device consists of two independent low-power voltage comparators designed specifically to operate from a single supply over a wide range of voltages. Operation from split power supplies is also possible.

    In addition, the device has a unique characteristic in that the input common-mode voltage range includes the negative rail even though operated from a single power supply voltage.

    Key Features

    • Wide single supply voltage range or dual supplies +2 V to +36 V or ±1 V to ±18 V
    • Very low supply current (0.4 mA) independent of supply voltage (1 mW/comparator at +5 V)
    • Low input bias current: 25 nA typ.
    • Low input offset current: ±5 nA typ.
    • Input common-mode voltage range includes negative rail
    • Low output saturation voltage: 250 mV typ. (IO= 4 mA)
    • Differential input voltage range equal to the supply voltage
    • TTL, DTL, ECL, MOS, CMOS compatible outputs
    • Automotive qualification
    • Related products
      • See LM2903W for similar device with higher ESD performances
      • See LM2903H for similar device with operating temperature up to 150 °C

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LM2903YPT TSSOP-8 Tape And Reel -40 125
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0.18 1000 EAR99
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LM2903YDT SO-8 Tape And Reel -40 125
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0.168 1000 EAR99
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LM2903D SO-8 Tube -40 125
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0.17 1000 EAR99
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LM2903YST MSOP/TSSOP 8 Tape And Reel -40 125
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0.18 1000 EAR99
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LM2903DT SO-8 Tape And Reel -40 125
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0.14 1000 EAR99
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LM2903ST MSOP/TSSOP 8 Tape And Reel -40 125
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0.15 1000 EAR99
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LM2903YQ3T WDFPN 2X2X0.8 8 P 0.5 WET FLK Tape And Reel -40 125
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0.1854 1000 EAR99
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LM2903Q2T UFSON 8 2x2x0.6 Tape And Reel -40 125
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0.15 1000 EAR99
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LM2903PT TSSOP-8 Tape And Reel -40 125
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0.15 1000 EAR99
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LM2903YPT

Package

TSSOP-8

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Tape And Reel

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DIGIKEY WORLDWIDE 158 1 Order Now
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Newark Element14 AMERICA 876 0 Order Now
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7950

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244000

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876

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2303

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Distributor reported inventory date: 2020-02-18

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.18

Quantity

1000

ECCN (US)

EAR99

Country of Origin

PHILIPPINES

LM2903YDT

Package

SO-8

Packing Type

Tape And Reel

Unit Price (US$)

0.168*

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DIGIKEY WORLDWIDE 4254 1 Order Now
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41948

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530000

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Stock

95000

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Stock

8908

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1468

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Distributor reported inventory date: 2020-02-18

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

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Unit Price (US$)

0.168

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MOROCCO

LM2903D

Package

SO-8

Packing Type

Tube

Unit Price (US$)

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DIGIKEY WORLDWIDE 1435 1 Order Now
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Stock

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Distributor reported inventory date: 2020-02-18

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.17

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MOROCCO

LM2903YST

Package

MSOP/TSSOP 8

Packing Type

Tape And Reel

Unit Price (US$)

0.18*

Distributor availability ofLM2903YST

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 21571 1 Order Now
RS COMPONENTS EUROPE 9400 1 Order Now
FUTURE WORLDWIDE 136000 4000 Order Now
ARROW EUROPE 4000 0 Order Now
ARROW AMERICA 84000 4000 Order Now
MOUSER WORLDWIDE 18337 1 Order Now
Farnell Element14 EUROPE 4770 1 Order Now
RUTRONIK EUROPE 656000 4000 Order Now

Distributor reported inventory date: 2020-02-18

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21571

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Stock

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Stock

136000

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Stock

84000

Min.Order

4000

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Stock

18337

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4770

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Stock

656000

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4000

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Distributor reported inventory date: 2020-02-18

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.18

Quantity

1000

ECCN (US)

EAR99

Country of Origin

PHILIPPINES

LM2903DT

Package

SO-8

Packing Type

Tape And Reel

Unit Price (US$)

0.14*

Distributor availability ofLM2903DT

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 12239 1 Order Now
COMPEL EUROPE 61496 1 Order Now
RS COMPONENTS EUROPE 22740 20 Order Now
AVNET AMERICA 415000 0 Order Now
FUTURE WORLDWIDE 1874 1 Order Now
ARROW EUROPE 1863057 0 Order Now
ARROW AMERICA 465000 2500 Order Now
MOUSER WORLDWIDE 48486 1 Order Now
Farnell Element14 EUROPE 2500 1 Order Now
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12239

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1

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Stock

61496

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1

Region

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RS COMPONENTS

Stock

22740

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20

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EUROPE Order Now

AVNET

Stock

415000

Min.Order

0

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FUTURE

Stock

1874

Min.Order

1

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Stock

1863057

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0

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ARROW

Stock

465000

Min.Order

2500

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Stock

48486

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2500

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Stock

12800

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Distributor reported inventory date: 2020-02-18

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.14

Quantity

1000

ECCN (US)

EAR99

Country of Origin

CHINA

LM2903ST

Package

MSOP/TSSOP 8

Packing Type

Tape And Reel

Unit Price (US$)

0.15*

Distributor availability ofLM2903ST

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DIGIKEY WORLDWIDE 8000 1 Order Now
AVNET AMERICA 8000 0 Order Now
FUTURE WORLDWIDE 8000 4000 Order Now
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Distributor reported inventory date: 2020-02-18

Distributor Name

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Stock

8000

Min.Order

1

Region

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AVNET

Stock

8000

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

8000

Min.Order

4000

Region

WORLDWIDE Order Now

MOUSER

Stock

7691

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-02-18

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.15

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

LM2903YQ3T

Package

WDFPN 2X2X0.8 8 P 0.5 WET FLK

Packing Type

Tape And Reel

Unit Price (US$)

0.1854*

Distributor availability ofLM2903YQ3T

Distributor Name
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DIGIKEY WORLDWIDE 2890 1 Order Now
AVNET AMERICA 3000 0 Order Now
FUTURE WORLDWIDE 3000 1 Order Now
MOUSER WORLDWIDE 8923 1 Order Now
ANGLIA Live EUROPE 9000 3000 Order Now

Distributor reported inventory date: 2020-02-18

Distributor Name

DIGIKEY

Stock

2890

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

3000

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

3000

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

8923

Min.Order

1

Region

WORLDWIDE Order Now

ANGLIA Live

Stock

9000

Min.Order

3000

Region

EUROPE Order Now

Distributor reported inventory date: 2020-02-18

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.1854

Quantity

1000

ECCN (US)

EAR99

Country of Origin

THAILAND

LM2903Q2T

Package

UFSON 8 2x2x0.6

Packing Type

Tape And Reel

Unit Price (US$)

0.15*

Distributor availability ofLM2903Q2T

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 7674 1 Order Now
RS COMPONENTS EUROPE 8600 1 Order Now
ARROW EUROPE 504000 0 Order Now
Newark Element14 AMERICA 619 0 Order Now
MOUSER WORLDWIDE 57431 1 Order Now
Farnell Element14 EUROPE 635 1 Order Now

Distributor reported inventory date: 2020-02-18

Distributor Name

DIGIKEY

Stock

7674

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

8600

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

504000

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

619

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

57431

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

635

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-02-18

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.15

Quantity

1000

ECCN (US)

EAR99

Country of Origin

CHINA

LM2903PT

Package

TSSOP-8

Packing Type

Tape And Reel

Unit Price (US$)

0.15*

Distributor availability ofLM2903PT

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2946 1 Order Now
RS COMPONENTS EUROPE 1950 1 Order Now
AVNET AMERICA 864000 0 Order Now
FUTURE WORLDWIDE 8000 4000 Order Now
ARROW EUROPE 44000 0 Order Now
Newark Element14 AMERICA 1533 0 Order Now
ARROW AMERICA 80000 4000 Order Now
MOUSER WORLDWIDE 4758 1 Order Now
Farnell Element14 EUROPE 5511 1 Order Now
RUTRONIK EUROPE 8000 4000 Order Now

Distributor reported inventory date: 2020-02-18

Distributor Name

DIGIKEY

Stock

2946

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1950

Min.Order

1

Region

EUROPE Order Now

AVNET

Stock

864000

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

8000

Min.Order

4000

Region

WORLDWIDE Order Now

ARROW

Stock

44000

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

1533

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

80000

Min.Order

4000

Region

AMERICA Order Now

MOUSER

Stock

4758

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

5511

Min.Order

1

Region

EUROPE Order Now

RUTRONIK

Stock

8000

Min.Order

4000

Region

EUROPE Order Now

Distributor reported inventory date: 2020-02-18

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.15

Quantity

1000

ECCN (US)

EAR99

Country of Origin

CHINA

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

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Development Tools

    • Part Number

      Operational amplifier and comparator application for smartphones and tablets

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS0507
      Low-power dual voltage comparator
      13.0
      1.81 MB
      PDF
      DS0507

      Low-power dual voltage comparator

    • Description Version Size Action
      AN4071
      Introduction to comparators, their parameters and basic applications
      1.0
      482.11 KB
      PDF
      AN4071

      Introduction to comparators, their parameters and basic applications

    • Description Version Size Action
      UM0065
      MACROMODELS USER MANUAL FOR STANDARD LINEAR PRODUCTS
      1.0
      120.84 KB
      PDF
      UM0065

      MACROMODELS USER MANUAL FOR STANDARD LINEAR PRODUCTS

HW Model, CAD Libraries & SVD

    • Description Version Size Action
      LM2901/LM2901H/ LM2903/LM2903H PSpice model 2.0
      1.3 KB
      ZIP
      ST library for all op amps and comparators SPICE models 4.0
      51.6 KB
      ZIP

      LM2901/LM2901H/ LM2903/LM2903H PSpice model

      ST library for all op amps and comparators SPICE models

Presentations & Training Material

    • Description Version Size Action
      ST Analog Products for Automotive applications 11.2017
      2.05 MB
      PDF

      ST Analog Products for Automotive applications

Publications and Collaterals

    • Description Version Size Action
      ST Analog cards High-performance operational amplifiers and comparators, the best choice for longevity, robustness and performance. 1.0
      818.4 KB
      PDF

      ST Analog cards High-performance operational amplifiers and comparators, the best choice for longevity, robustness and performance.

    • Description Version Size Action
      Amplifiers & Comparators Brochures Broaden Your Horizons 1.0
      2.55 MB
      PDF
      Operational Amplifiers (Op Amps) - Quick Reference Guide 1.2
      863.15 KB
      PDF
      Products and solutions for Smart industry 3.0
      2.99 MB
      PDF

      Amplifiers & Comparators Brochures Broaden Your Horizons

      Operational Amplifiers (Op Amps) - Quick Reference Guide

      Products and solutions for Smart industry

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
LM2903D
Active
SO-8 Industrial Ecopack3
LM2903DT
Active
SO-8 Industrial Ecopack3
LM2903PT
Active
TSSOP-8 Industrial Ecopack3
LM2903Q2T
Active
UFSON 8 2x2x0.6 Industrial Ecopack3
LM2903ST
Active
MSOP/TSSOP 8 Industrial Ecopack3
LM2903YDT
Active
SO-8 Automotive Ecopack3
LM2903YPT
Active
TSSOP-8 Automotive Ecopack3
LM2903YQ3T
Active
WDFPN 2X2X0.8 8 P 0.5 WET FLK Automotive Ecopack3
LM2903YST
Active
MSOP/TSSOP 8 Automotive Ecopack3

LM2903D

Package:

SO-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack3

LM2903DT

Package:

SO-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack3

LM2903PT

Package:

TSSOP-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TSSOP-8

Grade

Industrial

RoHS Compliance Grade

Ecopack3

LM2903Q2T

Package:

UFSON 8 2x2x0.6

Material Declaration**:

PDF XML

Marketing Status

Active

Package

UFSON 8 2x2x0.6

Grade

Industrial

RoHS Compliance Grade

Ecopack3

LM2903ST

Package:

MSOP/TSSOP 8

Material Declaration**:

Marketing Status

Active

Package

MSOP/TSSOP 8

Grade

Industrial

RoHS Compliance Grade

Ecopack3

LM2903YDT

Package:

SO-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-8

Grade

Automotive

RoHS Compliance Grade

Ecopack3

LM2903YPT

Package:

TSSOP-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TSSOP-8

Grade

Automotive

RoHS Compliance Grade

Ecopack3

LM2903YQ3T

Package:

WDFPN 2X2X0.8 8 P 0.5 WET FLK

Material Declaration**:

PDF XML

Marketing Status

Active

Package

WDFPN 2X2X0.8 8 P 0.5 WET FLK

Grade

Automotive

RoHS Compliance Grade

Ecopack3

LM2903YST

Package:

MSOP/TSSOP 8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

MSOP/TSSOP 8

Grade

Automotive

RoHS Compliance Grade

Ecopack3

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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