ADS8331, ADS8332

SBAS363D – DECEMBER 2009 – REVISED OCTOBER 2015

www.ti.com

Table of Contents

8.2

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

1

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

8.3

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

2

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

8.4

Device Functional Modes........................................ 21

3

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

8.5

Programming........................................................... 28

4

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

9

Application and Implementation ........................ 36

5

Low-Power, High-Speed, SAR Converter Family 3

9.1

Application Information............................................ 36

6

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

9.2

Typical Application ................................................. 40

7

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

10

Power Supply Recommendations ..................... 43

7.1

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

11

Layout................................................................... 43

7.2

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

11.1

Layout Guidelines ................................................. 43

7.3

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

11.2

Layout Example .................................................... 45

7.4

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

12

Device and Documentation Support ................. 46

7.5

Electrical Characteristics: VA = 2.7 V ....................... 6

12.1

Documentation Support ........................................ 46

7.6

Electrical Characteristics: VA = 5 V .......................... 8

12.2

Related Links ........................................................ 46

7.7

Timing Requirements: VA = 2.7 V .......................... 10

12.3

Community Resources.......................................... 46

7.8

Timing Characteristics: VA = 5 V ............................ 11

12.4

Trademarks ........................................................... 46

7.9

Typical Characteristics - DC Performance.............. 13

12.5

Electrostatic Discharge Caution ............................ 46

7.10

Typical Characteristics - AC Performance ............ 16

12.6

Glossary ................................................................ 46

8

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

13

Mechanical, Packaging, and Orderable

8.1

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

Information ........................................................... 47

4 Revision History

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

Changes from Revision C (May 2012) to Revision D

Page

•

Added ESD Ratings 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

Changes from Revision B (December 2010) to Revision C

Page

•

Changed name of last column in Low-Power, High-Speed, SAR Converter Family table..................................................... 3

•

Deleted 4-channel and 8-channel rows from 14-Bit Pseudo-Diff resolution in Low-Power, High-Speed, SAR

Converter Family table ........................................................................................................................................................... 3

•

Added last paragraph to Start of a Conversion section........................................................................................................ 24

•

Changes from Revision A (November 2010) to Revision B

Page

•

Deleted Ordering Information table ....................................................................................................................................... 5

2

Submit Documentation Feedback

Copyright © 2009–2015, Texas Instruments Incorporated

Product Folder Links: ADS8331 ADS8332