Table of Contents

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

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

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

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

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

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 .................................................8

6.7 Switching Characteristics ...........................................8

6.8 Timing Diagrams.........................................................9

6.9 Typical Characteristics.............................................. 10

7 Detailed Description......................................................14

7.1 Overview................................................................... 14

7.2 Functional Block Diagram......................................... 14

7.3 Feature Description...................................................15

7.4 Device Functional Modes..........................................25

7.5 ADS7066 Registers.................................................. 28

8 Application and Implementation.................................. 35

8.1 Application Information............................................. 35

8.2 Typical Application.................................................... 35

8.3 Power Supply Recommendations.............................37

8.4 Layout....................................................................... 38

9 Device and Documentation Support............................39

9.1 Device Support......................................................... 39

9.2 Documentation Support............................................ 39

9.3 Receiving Notification of Documentation Updates....39

9.4 Support Resources................................................... 39

9.5 Trademarks...............................................................39

9.6 Electrostatic Discharge Caution................................39

9.7 Glossary....................................................................39

10 Mechanical, Packaging, and Orderable

Information.................................................................... 39

4 Revision History

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

Changes from Revision A (June 2020) to Revision B (May 2023)

Page

• Updated the numbering format for tables, figures, and cross-references throughout the document................. 1

• Added RTE (WQFN) package to document as Advance Information................................................................ 1

• Changed SNR from 86 dB to 91.9 dB in Excellent AC and DC performance bullet...........................................1

• Deleted last Features bullet................................................................................................................................1

• Deleted WCSP and space-constrained discussion from Description section.....................................................1

• Added RTE information to Pin Configuration and Functions section..................................................................3

• Added PSRR vs Frequency figure....................................................................................................................10

• Added first sentence to External Reference section.........................................................................................15

• Deleted last paragraph from Internal Reference section.................................................................................. 15

• Added reference to Resolution-Boosting ADS7066 Using Programmable Averaging Filter application report

and changed title of Averaged Output Data figure............................................................................................17

• Changed the CRC on Data Interface section................................................................................................... 17

• Changed discussion of when status flags are not appended in Status Flags section ..................................... 20

• Changed discussion of CRC comparison in Output CRC (Device to Host) section......................................... 20

• Deleted second paragraph from Input CRC (Host to Device) section.............................................................. 20

Changes from Revision * (February 2020) to Revision A (June 2020)

Page

• Changed document status from advance information to production data ......................................................... 1

ADS7066

SBAS928B – FEBRUARY 2020 – REVISED MAY 2023

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