ADS54J40 datasheet(2/88 Pages) TI2

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ADS54J20

SBAS766B – MAY 2016 – REVISED JANUARY 2017

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Product Folder Links: ADS54J20

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Table of Contents

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

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

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

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

Device Comparison Table..................................... 3

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

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

7.1

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

7.2

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

7.3

Recommended Operating Conditions ....................... 6

7.4

Thermal Information .................................................. 6

7.5

Electrical Characteristics........................................... 7

7.6

AC Characteristics .................................................... 8

7.7

Digital Characteristics ............................................. 11

7.8

Timing Characteristics............................................. 12

7.9

Typical Characteristics ............................................ 14

7.10

Typical Characteristics: Contour ........................... 23

Detailed Description ............................................ 24

8.1

Overview ................................................................. 24

8.2

Functional Block Diagram ....................................... 24

8.3

Feature Description................................................. 25

8.4

Device Functional Modes........................................ 33

8.5

Application and Implementation ........................ 68

9.1

Application Information............................................ 68

9.2

Typical Application .................................................. 73

Power Supply Recommendations ..................... 75

10.1

Power Sequencing and Initialization ..................... 76

Layout................................................................... 77

11.1

Layout Guidelines ................................................. 77

11.2

Layout Example .................................................... 78

Device and Documentation Support ................. 79

12.1

Documentation Support ........................................ 79

12.2

Receiving Notification of Documentation Updates 79

12.3

Community Resources.......................................... 79

12.4

Trademarks ........................................................... 79

12.5

Electrostatic Discharge Caution ............................ 79

12.6

Glossary ................................................................ 79

Mechanical, Packaging, and Orderable

Information ........................................................... 79

4 Revision History

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

Changes from Revision A (May 2016) to Revision B

Page

•

Changed the Device Comparison Table................................................................................................................................. 3

•

Added the FOVR latency parameter to the Timing Characteristics table............................................................................. 12

•

Added SYSREF Not Present (Subclass 0, 2) section .......................................................................................................... 30

•

Changed the number of clock cycles in the Fast OVR section ............................................................................................ 31

•

Changed the Register Map................................................................................................................................................... 45

•

Deleted register 39h, 3Ah, and 56h ..................................................................................................................................... 45

•

Changed Power Supply Recommendations section ........................................................................................................... 75

•

Added the Power Sequencing and Initialization section....................................................................................................... 76

•

Added the Receiving Notification of Documentation Updates section ................................................................................. 79

Changes from Original (May 2016) to Revision A

Page

•

Released to production .......................................................................................................................................................... 1

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