2

LDC1101

SNOSD01C – MAY 2015 – REVISED FEBRUARY 2016

www.ti.com

Product Folder Links: LDC1101

Submit Documentation Feedback

Copyright © 2015–2016, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

Simplified Schematic............................................. 1

5

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

6

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

7

Specifications......................................................... 4

7.1

Absolute Maximum Ratings ...................................... 4

7.2

ESD Ratings ............................................................ 4

7.3

Recommended Operating Conditions ....................... 4

7.4

Thermal Information .................................................. 4

7.5

Electrical Characteristics........................................... 5

7.6

Digital Interface ......................................................... 5

7.7

Timing Requirements ................................................ 6

7.8

Typical Characteristics .............................................. 7

8

Detailed Description .............................................. 9

8.1

Overview ................................................................... 9

8.2

Functional Block Diagram ......................................... 9

8.3

Feature Description................................................... 9

8.4

Device Functional Modes........................................ 10

8.5

Programming.......................................................... 12

8.6

Register Maps ........................................................ 14

9

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

9.1

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

9.2

Typical Application ................................................. 40

10

Power Supply Recommendations ..................... 45

11

Layout................................................................... 45

11.1

Layout Guidelines ................................................. 45

11.2

Layout Example .................................................... 46

12

Device and Documentation Support ................. 47

12.1

Device Support .................................................... 47

12.2

Documentation Support ........................................ 47

12.3

Community Resources.......................................... 47

12.4

Trademarks ........................................................... 47

12.5

Electrostatic Discharge Caution ............................ 47

12.6

Glossary ................................................................ 47

13

Mechanical, Packaging, and Orderable

Information ........................................................... 47

5 Revision History

Changes from Revision B (July 2015) to Revision C

Page

•

Added top navigator icon for TI Designs ............................................................................................................................... 1

•

Changed "8.6 µs" to "5.44 µs" .............................................................................................................................................. 11

•

Changed "87.38 ms" to "65.54 ms" ...................................................................................................................................... 11

•

Changed "Valid range: 2

≤ RCOUNT[15:8]..." to "Valid range: 2 ≤ RCOUNT[15:0]..." ........................................................ 25

•

Changes from Revision A (June 2015) to Revision B

Page

•

Changed Register type and reset values for some fields which where incomplete. ............................................................ 15

•

Changed NAME to INTB_MODE.......................................................................................................................................... 20

•

Changed DRDY to INTB in INTB2SDO field descriiption..................................................................................................... 20

•

Changed RP Threshold and L Threshold field names in RP_HI_LON and L_HI_LON fields ............................................. 23

•

Changed Incorrect resistance value ..................................................................................................................................... 41

•

Changed Calculations of reference count setting................................................................................................................. 42

Changes from Original (May 2015) to Revision A

Page

•

Added full datasheet to replace the Product Preview ............................................................................................................ 1