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LF198-N, LF298, LF398-N

LF198A-N, LF398A-N

SNOSBI3C – JULY 2000 – REVISED OCTOBER 2018

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Product Folder Links: LF198-N LF298 LF398-N LF198A-N LF398A-N

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Copyright © 2000–2018, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

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

5

Pin Configuration and Functions ......................... 3

6

Specifications......................................................... 4

6.1

Absolute Maximum Ratings ...................................... 4

6.2

Recommended Operating Conditions ....................... 4

6.3

Thermal Information .................................................. 4

6.4

Electrical Characteristics, LF198-N and LF298 ........ 5

6.5

Electrical Characteristics, LF198A-N ........................ 6

6.6

Electrical Characteristics, LF398-N........................... 7

6.7

Electrical Characteristics, LF398A-N (OBSOLETE) . 8

6.8

Typical Characteristics .............................................. 9

7

Parameter Measurement Information ................ 12

7.1

TTL and CMOS 3 V

≤ VLOGIC (Hi State) ≤ 7 V ....... 12

7.2

CMOS 7 V

≤ VLOGIC (Hi State) ≤ 15 V .................... 12

7.3

Operational Amplifier Drive ..................................... 13

8

Detailed Description ............................................ 14

8.1

Overview ................................................................. 14

8.2

Functional Block Diagram ....................................... 14

8.3

Feature Description................................................. 14

8.4

Device Functional Modes........................................ 14

9

Application and Implementation ........................ 15

9.1

Application Information............................................ 15

9.2

Typical Applications ................................................ 17

10

Power Supply Recommendations ..................... 26

11

Layout................................................................... 27

11.1

Layout Guidelines ................................................. 27

11.2

Layout Example .................................................... 27

12

Device and Documentation Support ................. 28

12.1

Device Support...................................................... 28

12.2

Related Links ........................................................ 28

12.3

Community Resources.......................................... 28

12.4

Trademarks ........................................................... 28

12.5

Electrostatic Discharge Caution ............................ 28

12.6

Glossary ................................................................ 29

13

Mechanical, Packaging, and Orderable

Information ........................................................... 29

4 Revision History

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

Changes from Revision B (October 2015) to Revision C

Page

•

Updated Device Information and Pin Functions tables .......................................................................................................... 1

•

Separated Electrical Characteristics into four tables: LF198-N and LF298; LF198A-N; LF398-N; and LF398A-N

(OBSOLETE) .......................................................................................................................................................................... 5

Changes from Revision A (July 2000) to Revision B

Page

•

Added ESD Ratings table, Thermal Information table, Feature Description section, Device Functional Modes,

Application and Implementation section, Power Supply Recommendations section, Layout section, Device and

Documentation Support section, and Mechanical, Packaging, and Orderable Information section....................................... 1