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OPA4188

SBOS641D – JUNE 2012 – REVISED SEPTEMBER 2016

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Table of Contents

1

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

2

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

3

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

4

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

5

Zero-Drift Amplifier Portfolio ................................ 3

6

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

7

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

7.1

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

7.2

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

7.3

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

7.4

Thermal Information .................................................. 5

7.5

Electrical Characteristics: High-Voltage Operation, VS

= ±4 V to ±18 V (VS = 8 V to 36 V)............................ 6

7.6

Electrical Characteristics: Low-Voltage Operation, VS

= ±2 V to < ±4 V (VS = +4 V to < +8 V) ..................... 7

7.7

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

8

Detailed Description ............................................ 17

8.1

Overview ................................................................. 17

8.2

Functional Block Diagram ....................................... 17

8.3

Feature Description................................................. 17

8.4

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

9

Applications and Implementation ...................... 20

9.1

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

9.2

Typical Applications ................................................ 20

10

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

11

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

11.1

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

11.2

Layout Example .................................................... 24

12

Device and Documentation Support ................. 25

12.1

Documentation Support ....................................... 25

12.2

Trademarks ........................................................... 25

12.3

Electrostatic Discharge Caution ............................ 26

12.4

Glossary ................................................................ 26

13

Mechanical, Packaging, and Orderable

Information ........................................................... 26

4 Revision History

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

Changes from Revision C (April 2015) to Revision D

Page

•

Changed high supply over-temperature input bias current limit in High-Voltage Operation Electrical Characteristics

table ....................................................................................................................................................................................... 6

•

Changed high supply noise units in High-Operating Voltage Electrical Characteristics table .............................................. 6

•

Changed high supply room-temperature quiescent current limit in High-Voltage Operation Electrical Characteristics

table ....................................................................................................................................................................................... 7

•

Changed high supply over-temperature quiescent current limit in High-Voltage Operation Electrical Characteristics

table ....................................................................................................................................................................................... 7

•

Changed low supply over-temperature input bias current limit in Low-Voltage Operation Electrical Characteristics

table ....................................................................................................................................................................................... 7

•

Changed low supply noise units for input voltage noise density parameter in Low-Voltage Operation Electrical

Characteristics table ............................................................................................................................................................... 7

•

Changed low supply room-temperature quiescent current limit in Low-Voltage Operation Electrical Characteristics table .. 8

•

Changed low supply over-temperature quiescent current limit in Low-Voltage Operation Electrical Characteristics table ... 8

Changes from Revision A (September 2012) to Revision B

Page

•

Changed maximum specification of second Input Bias Current, IB parameter row in High-Voltage Operation

Electrical Characteristics table ............................................................................................................................................... 6

•

Changed maximum specification of second Input Bias Current(IB) parameter in Low-Voltage Electrical

Characteristics table ............................................................................................................................................................... 7

•

Changed typical specifications for Input impedance (Common-mode) parameter in Low-Voltage Electrical

Characteristics table ............................................................................................................................................................... 7

Changes from Original (June2012) to Revision A

Page

•

Changed second to last Applications bullet............................................................................................................................ 1