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ADS1113-Q1, ADS1114-Q1, ADS1115-Q1

SBAS563C – DECEMBER 2011 – REVISED DECEMBER 2016

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Product Folder Links: ADS1113-Q1 ADS1114-Q1 ADS1115-Q1

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Copyright © 2011–2016, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

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

5

Device Comparison Table..................................... 4

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.......................................... 6

7.6

7.7

Typical Characteristics .............................................. 8

8

Parameter Measurement Information ................ 12

8.1

Noise Performance ................................................. 12

9

Detailed Description ............................................ 13

9.1

Overview ................................................................. 13

9.2

Functional Block Diagrams ..................................... 13

9.3

Feature Description................................................. 14

9.4

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

9.5

Programming........................................................... 20

9.6

Register Map........................................................... 25

10

Application and Implementation........................ 29

10.1

Application Information.......................................... 29

10.2

Typical Application ............................................... 34

11

Power Supply Recommendations ..................... 38

11.1

Power-Supply Sequencing.................................... 38

11.2

Power-Supply Decoupling..................................... 38

12

Layout................................................................... 39

12.1

Layout Guidelines ................................................. 39

12.2

Layout Example .................................................... 40

13

Device and Documentation Support ................. 41

13.1

Documentation Support ........................................ 41

13.2

Related Links ........................................................ 41

13.3

Receiving Notification of Documentation Updates 41

13.4

Community Resources.......................................... 41

13.5

Trademarks ........................................................... 41

13.6

Electrostatic Discharge Caution ............................ 41

13.7

Glossary ................................................................ 41

14

Mechanical, Packaging, and Orderable

Information ........................................................... 42

4 Revision History

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

Changes from Revision B (December 2015) to Revision C

Page

•

Added ADS1114-Q1 and ADS1113-Q1 to data sheet ........................................................................................................... 1

•

Changed Title, and Description, Features, and Applications sections for clarity ................................................................... 1

•

Deleted temperature range text from Description section and moved to Features section ................................................... 1

•

Added Device Comparison Table........................................................................................................................................... 4

•

Changed Pin Functions table for clarity.................................................................................................................................. 4

•

Changed Power-supply voltage max value from 5.5 V to 7 V in Absolute Maximum Ratings table ...................................... 5

•

Changed Analog input voltage min value from –0.3 V to GND – 0.3 V in Absolute Maximum Ratings table ....................... 5

•

Changed Digital input voltage min value from –0.5 V to GND – 0.3 V in Absolute Maximum Ratings table......................... 5

•

Changed Digital input voltage max value from 5.5 V to VDD + 0.3 V in Absolute Maximum Ratings table .......................... 5

•

Deleted Analog input current rows in Absolute Maximum Ratings table................................................................................ 5

•

Added Input current row in Absolute Maximum Ratings table ............................................................................................... 5

•

Added Operating temperature range of –40°C to +125°C to Absolute Maximum Ratings table ........................................... 5

•

•

Deleted Machine model row from ESD Ratings table ............................................................................................................ 5

•

Deleted Supply current and Power dissipation rows and moved to Electrical Characteristics table...................................... 5

•

Changed Full-scale input voltage range (FSR) from typical value of ±4.096/PGA V to min value of ±0.256 V and

max value of ±6.144 V for clarity in Recommended Operating Conditions table................................................................... 5

•

•

Added new note 1 for Recommended Operating Conditions table ........................................................................................ 5

•

Changed text in note 2 (previously note 1 in revision B) from "In no event should more than VDD + 0.3 V be applied

to this device" to "No more than VDD + 0.3 V or 5.5 V (whichever is smaller) must be applied to this device. See

Table 3 for more information." ................................................................................................................................................ 5

•

Added values for ADS111xB-Q1 devices in Thermal Information table................................................................................. 5