Table of Contents

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

2 Applications..................................................................... 1

3 Description.......................................................................1

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

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

6 Specifications.................................................................. 5

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

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

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

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

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

6.6 Timing Requirements: I2C...........................................8

6.7 Timing Diagram...........................................................8

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

7 Parameter Measurement Information.......................... 13

7.1 Noise Performance................................................... 13

8 Detailed Description......................................................14

8.1 Overview................................................................... 14

8.2 Functional Block Diagrams....................................... 14

8.3 Feature Description...................................................15

8.4 Device Functional Modes..........................................20

8.5 Programming............................................................ 21

8.6 Register Map.............................................................26

9 Application and Implementation.................................. 30

9.1 Application Information............................................. 30

9.2 Typical Application.................................................... 35

9.3 Power Supply Recommendations.............................39

9.4 Layout....................................................................... 40

10 Device and Documentation Support..........................42

10.1 Documentation Support.......................................... 42

10.2 Receiving Notification of Documentation Updates..42

10.3 Support Resources................................................. 42

10.4 Trademarks.............................................................42

10.5 Electrostatic Discharge Caution..............................42

10.6 Glossary..................................................................42

11 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 D (January 2018) to Revision E (December 2022)

Page

• Changed all instances of legacy terminology to controller and target where I2C is mentioned.......................... 1

• Added Functional Safety-Capable bullets and device family information to Features section, moved ESD

classification information from Features section to ESD Ratings table.............................................................. 1

• Changed applications in Application section...................................................................................................... 1

• Added NKS (UQFN) package and Device Information table and deleted last paragraph from Description

section................................................................................................................................................................ 1

• Added NKS package to Pin Configuration and Functions section and changed Pin Functions table................ 4

• Changed free-air to ambient in condition statement of Absolute Maximum Ratings table................................. 5

• Added ESD classification levels and NKS package to ESD Ratings table......................................................... 5

• Added NKS package to Thermal Information table............................................................................................ 6

• Changed unit of common-mode input impedance (FSR = ±0.512 V, FSR = ±0.256 V) parameter from MΩ to

kΩ in Electrical Characteristics table.................................................................................................................. 7

• Changed Y-axis unit of Total Error vs Input Signal figure from μV to mV in Typical Characteristics section...... 9

• Added additional information to last paragraph in Multiplexer section..............................................................15

• Added additional information to Voltage Reference section............................................................................. 17

• Moved Figure 8-7 from Conversion Ready Pin section to Digital Comparator section.....................................18

• Changed bit setting notation from hexadecimal to binary where beneficial for clarity throughout Register Map

section.............................................................................................................................................................. 26

• Added Config Register - ADS1113-Q1, Config Register - ADS1114-Q1, and Config Register - ADS1115-Q1

and changed bit descriptions in Config Register Field Descriptions table in Config Register section.............. 27

• Changed first paragraph in Lo-threh and Hi_thresh Registers section.............................................................29

• Changed Unused Inputs and Outputs section.................................................................................................. 31

• Added layout example for NKS package in Layout Example section............................................................... 41

ADS1113-Q1, ADS1114-Q1, ADS1115-Q1

SBAS563E – DECEMBER 2011 – REVISED DECEMBER 2022

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