2

OPA197, OPA2197, OPA4197

SBOS737C – JANUARY 2016 – REVISED MARCH 2018

www.ti.com

Product Folder Links: OPA197 OPA2197 OPA4197

Submit Documentation Feedback

Copyright © 2016–2018, 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......................................................... 5

6.1

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

6.2

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

6.3

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

6.4

Thermal Information: OPA197 .................................. 6

6.5

Thermal Information: OPA2197 ................................ 6

6.6

Thermal Information: OPA4197 ................................ 6

6.7

Electrical Characteristics: VS = ±4 V to ±18 V (VS = 8

V to 36 V) ................................................................... 7

6.8

Electrical Characteristics: VS = ±2.25 V to ±4 V (VS =

4.5 V to 8 V)............................................................... 9

6.9

Typical Characteristics ............................................ 11

7

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

7.1

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

7.2

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

7.3

Feature Description................................................. 20

7.4

Device Functional Modes........................................ 26

8

Application and Implementation ........................ 27

8.1

Application Information............................................ 27

8.2

Typical Applications ................................................ 27

9

Power Supply Recommendations ...................... 30

10

Layout................................................................... 31

10.1

Layout Guidelines ................................................. 31

10.2

Layout Example .................................................... 31

11

Device and Documentation Support ................. 32

11.1

Device Support...................................................... 32

11.2

Documentation Support ........................................ 32

11.3

Related Links ........................................................ 32

11.4

Receiving Notification of Documentation Updates 33

11.5

Community Resources.......................................... 33

11.6

Trademarks ........................................................... 33

11.7

Electrostatic Discharge Caution ............................ 33

11.8

Glossary ................................................................ 33

12

Mechanical, Packaging, and Orderable

Information ........................................................... 33

4 Revision History

Changes from Revision B (October 2016) to Revision C

Page

•

Changed "Low Offset Voltage: ±250 µV (Maximum)" to "Low Offset Voltage: ±100 µV (Maximum)" ................................... 1

•

Changed Electrical Characteristics: VS = ±4 V to ±18 V (VS = 8 V to 36 V) Input offset voltage VS = ±18 V under

OFFSET VOLTAGE from "±250" to "±100"; remove "TA = 0°C to 85°C" and "TA = –40°C to +125°C" rows from same ...... 7

•

Changed Electrical Characteristics: VS = ±4 V to ±18 V (VS = 8 V to 36 V) Input offset voltage VCM = (V+) – 1.5 V

under OFFSET VOLTAGE from "±250" to "±100"; remove "TA = 0°C to 85°C" and "TA = –40°C to +125°C" rows

from same............................................................................................................................................................................... 7

•

Changed Electrical Characteristics: VS = ±2.25 V to ±4 V (VS = 4.5 V to 8 V) Input offset voltage VS = ±2.25 V, VCM

= (V+) – 3 V under OFFSET VOLTAGE from "±250" to "±100"; remove "TA = 0°C to 85°C" and "TA = –40°C to

+125°C" rows from same........................................................................................................................................................ 9

•

Changed Electrical Characteristics: VS = ±4 V to ±18 V (VS = 8 V to 36 V) Input offset voltage VS = ±3 V, VCM =

(V+) – 1.5 V under OFFSET VOLTAGE from "±250" to "±100"; remove "TA = 0°C to 85°C" and "TA = –40°C to

+125°C" rows from same........................................................................................................................................................ 9

•

Changed "0" on Frequency (Hz) axis to "0.1" ..................................................................................................................... 11

•

Changed "....to achieve a very low offset voltage of 250 µV (max)..." to "...to achieve a very low offset voltage of 100

µV (maximum)..." ................................................................................................................................................................. 19

Changes from Revision A (July 2016) to Revision B

Page

•

Added new row for PW package to Input bias current parameter ......................................................................................... 7

•

Added new row for PW package to Input offset current parameter ...................................................................................... 7

•

Added new footnote (1) to Open-loop gain parameter ........................................................................................................... 7

•

Changed Slew rate parameter from 20 V/µs : to 14 V/µs .................................................................................................... 10

Changes from Original (January 2016) to Revision A

Page

•

Added OPA2197 and OPA4197 CDM values to ESD Ratings table...................................................................................... 5