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TDC7200

SNAS647D – FEBRUARY 2015 – REVISED MARCH 2016

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Table of Contents

1

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

2

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

3

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

4

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

5

Companion Device................................................. 3

6

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

7

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

7.1

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

7.2

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

7.3

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

7.4

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

7.5

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

7.6

Timing Requirements ................................................ 7

7.7

Switching Characteristics .......................................... 7

7.8

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

8

Detailed Description ............................................ 12

8.1

Overview ................................................................. 12

8.2

Functional Block Diagram ....................................... 12

8.3

Feature Description................................................. 12

8.4

Device Functional Modes........................................ 14

8.5

Programming........................................................... 21

8.6

Register Maps ......................................................... 24

9

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

9.1

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

9.2

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

9.3

Post Filtering Recommendations ............................ 39

9.4

CLOCK Recommendations..................................... 39

10

Power Supply Recommendations ..................... 41

11

Layout................................................................... 41

11.1

Layout Guidelines ................................................. 41

11.2

Layout Example .................................................... 42

12

Device and Documentation Support ................. 43

12.1

Documentation Support ....................................... 43

12.2

Community Resources.......................................... 43

12.3

Trademarks ........................................................... 43

12.4

Electrostatic Discharge Caution ............................ 43

12.5

Glossary ................................................................ 43

13

Mechanical, Packaging, and Orderable

Information ........................................................... 43

4 Revision History

Changes from Revision C (August 2015) to Revision D

Page

•

Added EN = HIGH ................................................................................................................................................................. 7

•

update equation ................................................................................................................................................................... 14

•

Changed 3818 TO 318 ........................................................................................................................................................ 18

Changes from Revision B (June 2015) to Revision C

Page

•

Changed the data sheet title From: TDC7200 Time-to-Digital Converter for Water and Gas Flow Sensing,

Magnetostrictive Position Sensing, and LIDAR Metering Applications To: TDC7200 Time-to-Digital Converter for

Time-of-Flight applications in LIDAR, Magnetostrictive and Flow Meters ............................................................................. 1

Changes from Revision A (March 2015) to Revision B

Page

•

Changed the data sheet title From: TDC7200 Time-to-Digital Converter for Water, Gas, Heat Flow Metering

Applications To: TDC7200 Time-to-Digital Converter for Water and Gas Flow Sensing, Magnetostrictive Position

Sensing, and LIDAR Metering Applications............................................................................................................................ 1

•

Changed the Applications list to include: "Magnetostrictive Position Sensing", and "LIDAR Metering"................................. 1

Changes from Original (February 2015) to Revision A

Page

•

Changed From: 1-page Product Preview To: Full data sheet ............................................................................................... 1

•

Changed ESD Ratings table................................................................................................................................................... 5