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LM193, LM293, LM293A, LM393, LM393A, LM2903, LM2903V, LM393B, LM2903B

SLCS005AB – OCTOBER 1979 – REVISED DECEMBER 2019

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Product Folder Links: LM193 LM293 LM293A LM393 LM393A LM2903 LM2903V LM393B LM2903B

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Copyright © 1979–2019, Texas Instruments Incorporated

Table of Contents

1

Features .................................................................. 1

2

Applications ........................................................... 1

3

Description ............................................................. 1

4

Revision History..................................................... 2

5

Pin Configuration and Functions ......................... 4

6

Specifications......................................................... 5

6.1

Absolute Maximum Ratings ...................................... 5

6.2

ESD Ratings.............................................................. 5

6.3

Recommended Operating Conditions ....................... 5

6.4

Thermal Information: LM193 ..................................... 6

6.5

Thermal Information: LM293, LM393, LM2903 (all 'V'

and 'A' suffixes).......................................................... 6

6.6

Thermal Information: LM393B and LM2903B ........... 6

6.7

Electrical Characteristics LM393B ............................ 7

6.8

Electrical Characteristics LM2903B .......................... 8

6.9

Switching Characteristics LM393B and LM2903B .... 8

6.10

Electrical Characteristics for LM193, LM293, and

LM393 (without A suffix) ............................................ 9

6.11

Electrical Characteristics for LM293A and

LM393A.................................................................... 10

6.12

Electrical Characteristics for LM2903, LM2903V,

and LM2903AV ........................................................ 11

6.13

Switching Characteristics (all devices).................. 11

6.14

Typical Characteristics, LMx93, LM2903 (all 'V' and

'A' suffixes) .............................................................. 12

6.15

Typical Characteristics, LM393B and LM2903B ... 13

7

Detailed Description ............................................ 19

7.1

Overview ................................................................. 19

7.2

Functional Block Diagram ....................................... 19

7.3

Feature Description................................................. 19

7.4

Device Functional Modes........................................ 19

8

Application and Implementation ........................ 20

8.1

Application Information............................................ 20

8.2

Typical Application ................................................. 20

9

Power Supply Recommendations ...................... 23

10

Layout................................................................... 23

10.1

Layout Guidelines ................................................. 23

10.2

Layout Example .................................................... 23

11

Device and Documentation Support ................. 24

11.1

Related Links ........................................................ 24

11.2

Receiving Notification of Documentation Updates 24

11.3

Community Resources.......................................... 24

11.4

Trademarks ........................................................... 24

11.5

Electrostatic Discharge Caution ............................ 24

11.6

Glossary ................................................................ 24

12

Mechanical, Packaging, and Orderable

Information ........................................................... 24

4 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision AA (September 2019) to Revision AB

Page

•

Changed LM393B and LM2903B from Preview to Active status ........................................................................................... 1

•

Added Family Comparison Table ........................................................................................................................................... 1

Changes from Revision Z (October 2017) to Revision AA

Page

•

Added "B" devices with various text changes throughout datasheet. .................................................................................... 1

•

Deleted from Device Information old LM193 CDIP and LCCC package references and drawings. These are on the

LM139-MIL datasheet............................................................................................................................................................. 1

•

Added "B" devices Thermal Information table. ....................................................................................................................... 6

•

Added "B" device electrical tables .......................................................................................................................................... 7

•

Added "B" device graphs ..................................................................................................................................................... 13

Changes from Revision Y (June 2015) to Revision Z

Page

•

Changed data sheet title ........................................................................................................................................................ 1

•

Added LM2903 part numbers ................................................................................................................................................ 1

•

Added LM2903 part numbers ................................................................................................................................................. 1

•

Changed VCC and ground pin function from: input to: – ....................................................................................................... 4

•

Changed 25C to -25C due to typo in LM293 Temperature Tablenote .................................................................................. 9

•

Remove text "four comparators" from I,,CC,, ....................................................................................................................... 10

•

Changed 25C to -25C due to typo in LM293 Temperature Tablenote ................................................................................ 10