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OPA333-Q1

SBOS522A – JUNE 2010 – REVISED NOVEMBER 2019

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Copyright © 2010–2019, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

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

5

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

6

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

6.1

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

6.2

ESD Ratings.............................................................. 4

6.3

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

6.4

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

6.5

Electrical Characteristics........................................... 5

6.6

Typical Characteristics .............................................. 6

7

Detailed Description .............................................. 9

7.1

Overview ................................................................... 9

7.2

Functional Block Diagram ......................................... 9

7.3

Feature Description................................................... 9

7.4

Device Functional Modes.......................................... 9

8

Application and Implementation ........................ 10

8.1

Application Information............................................ 10

8.2

Typical Applications ................................................ 11

9

Power Supply Recommendations ...................... 18

10

Layout................................................................... 18

10.1

Layout Guidelines ................................................. 18

10.2

Layout Example .................................................... 18

11

Device and Documentation Support ................. 19

11.1

Documentation Support ........................................ 19

11.2

Receiving Notification of Documentation Updates 19

11.3

Support Resources ............................................... 19

11.4

Trademarks ........................................................... 19

11.5

Electrostatic Discharge Caution ............................ 19

11.6

Glossary ................................................................ 19

12

Mechanical, Packaging, and Orderable

Information ........................................................... 19

4 Revision History

Changes from Original (June 2010) to Revision A

Page

•

Changed part number references from OPA333 to OPA333-Q1 throughout text.................................................................. 1

•

Added Pin Configuration and Functions, ESD Ratings, Thermal Information, Feature Description , Device Functional

Modes, Application and Implementation, Power Supply Recommendations, Layout , Device and Documentation

Support , and Mechanical, Packaging, and Orderable Information sections ......................................................................... 1

•

Deleted redundant Ordering Information table; same information already in the package option addendum ....................... 1

•

Changed pinout drawing for accuracy; no change to pin names or pin numbers ................................................................. 3

•

Deleted "one amplifier per package" from note 2 in Absolute Maximum Ratings table ......................................................... 4

•

Changed the TYP and MAX values for the input offset voltage drift parameter in the Electrical Characteristics table ......... 5

•

Added text to Figure 3, Open-Loop Gain vs Frequency, for clarity ........................................................................................ 6

•

Deleted Single-Supply, Very-Low-Power ECG Circuit (previously, Figure 9) ...................................................................... 17