ADS7040

SBAS676C – NOVEMBER 2014 – REVISED DECEMBER 2015

www.ti.com

Table of Contents

8.4

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

1

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

9

Application and Implementation ........................ 22

2

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

9.1

Application Information............................................ 22

3

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

9.2

Typical Applications ................................................ 22

4

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

10

Power-Supply Recommendations ..................... 30

5

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

10.1

AVDD and DVDD Supply Recommendations....... 30

6

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

10.2

Estimating Digital Power Consumption................. 30

6.1

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

10.3

Optimizing Power Consumed by the Device ........ 30

6.2

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

11

Layout................................................................... 31

6.3

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

11.1

Layout Guidelines ................................................. 31

6.4

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

11.2

Layout Example .................................................... 31

6.5

Electrical Characteristics........................................... 6

12

Device and Documentation Support ................. 32

6.6

Timing Characteristics............................................... 7

12.1

Documentation Support ........................................ 32

6.7

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

12.2

Community Resources.......................................... 32

7

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

12.3

Trademarks ........................................................... 32

7.1

Digital Voltage Levels ............................................. 13

12.4

Electrostatic Discharge Caution ............................ 32

8

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

12.5

Glossary ................................................................ 32

8.1

Overview ................................................................. 14

13

Mechanical, Packaging, and Orderable

8.2

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

Information ........................................................... 32

8.3

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

4 Revision History

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

Changes from Revision B (February 2015) to Revision C

Page

•

Updated Figure 1 ................................................................................................................................................................... 7

•

Changed Serial Interface section: changed last half of first paragraph, changed Figure 35 ............................................... 18

•

Changed Figure 38 .............................................................................................................................................................. 21

•

Added Community Resources section ................................................................................................................................ 32

Changes from Revision A (November 2014) to Revision B

Page

•

Changed Wide Operating Range Features bullet: changed the value of AVDD from 1.8 V to 1.65 V ................................. 1

•

Changed the wide analog input voltage range value to 1.65 V in first paragraph of Description section.............................. 1

•

Changed ESD Ratings table to latest standards ................................................................................................................... 5

•

Changed AVDD parameter minimum specification in Recommended Operating Conditions table to 1.65 V ....................... 5

•

Changed AVDD range in conditions of Electrical Characteristics table ................................................................................. 6

•

Changed INL and DNL parameter test conditions in Electrical Characteristics table ............................................................ 6

•

Changed maximum throughput rate parameter test conditions in Electrical Characteristics table ........................................ 6

•

Changed AVDD parameter minimum specification in Electrical Characteristics table ........................................................... 6

•

Changed conditions for Timing Characteristics table: changed range of AVDD and added CLOAD condition ........................ 7

•

Changed t D_CKDO parameter in Timing Characteristics table ................................................................................................ 7

•

Added fSCLK minimum specification to Timing Characteristics table ...................................................................................... 7

•

Changed titles of Figure 26 to Figure 30 ............................................................................................................................. 11

•

Changed Reference sub-section in Feature Description section ......................................................................................... 15

•

Changed range of second fCLK-CAL parameter description in Table 2 ................................................................................... 20

•

Changed range of second fCLK-CAL parameter description in Table 3 .................................................................................. 21

•

Changed Reference Circuit section in Application Information ............................................................................................ 24

•

Added last two sentences to AVDD and DVDD Supply Recommendations section .......................................................... 30

2

Submit Documentation Feedback

Copyright © 2014–2015, Texas Instruments Incorporated

Product Folder Links: ADS7040