AFE4490 datasheet(2/85 Pages) TI2

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AFE4404

SBAS689D – JUNE 2015 – REVISED DECEMBER 2016

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Table of Contents

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

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

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

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

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

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

Specifications......................................................... 6

7.1

Absolute Maximum Ratings ...................................... 6

7.2

ESD Ratings.............................................................. 6

7.3

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

7.4

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

7.5

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

7.6

Timing Requirements ............................................... 8

7.7

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

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

8.1

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

8.2

Functional Block Diagram ....................................... 13

8.3

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

8.4

Device Functional Modes........................................ 29

8.5

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

9.1

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

9.2

Typical Application .................................................. 68

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

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

11.1

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

11.2

Layout Example .................................................... 77

Device and Documentation Support ................. 78

12.1

Receiving Notification of Documentation Updates 78

12.2

Community Resources.......................................... 78

12.3

Trademarks ........................................................... 78

12.4

Electrostatic Discharge Caution ............................ 78

12.5

Glossary ................................................................ 78

Mechanical, Packaging, and Orderable

Information ........................................................... 78

4 Revision History

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

Changes from Revision C (May 2016) to Revision D

Page

•

Changed last sub-bullet of Receiver Features bullet ............................................................................................................. 1

•

Changed test conditions of dynamic power-down mode rows in Current Consumption subsection of Electrical

Characteristics table ............................................................................................................................................................... 8

Changes from Revision B (October 2015) to Revision C

Page

•

Changed specifications of t1 and t4 rows in Table 7 to improve rejection of ambient light................................................... 24

•

Changed Description column in Table 10 ........................................................................................................................... 26

•

Changed Table 11 ................................................................................................................................................................ 27

•

Changed Table 12 ................................................................................................................................................................ 28

•

Added Reducing Sensitivity to Ambient Light Modulation section........................................................................................ 70

Changes from Revision A (August 2015) to Revision B

Page

•

Changed TX_SUP pin number to E3 in Pin Functions table ................................................................................................. 5

•

Added Figure 9 ..................................................................................................................................................................... 10

•

Added Decimation Mode section ......................................................................................................................................... 32

•

Added rows 3Dh, 3Fh, and 40h to Table 16 ........................................................................................................................ 35

•

Added Register 3Dh description to Register Map section.................................................................................................... 66

•

Added Register 3Fh and Register 40h descriptions to Register Map section...................................................................... 67

•

Added System-Level ESD Considerations section ............................................................................................................. 69

•

Added input-referred current paragraph associated to Figure 9 in Application Curves section........................................... 72

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