AD6645

Rev. D | Page 2 of 24

TABLE OF CONTENTS

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

 

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

 

General Description ......................................................................... 1

 

Product Highlights ........................................................................... 1

 

Functional Block Diagram .............................................................. 1

 

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

 

Specifications..................................................................................... 3

 

DC Specifications ......................................................................... 3

 

Digital Specifications ................................................................... 4

 

AC Specifications.......................................................................... 4

 

Switching Specifications .............................................................. 5

 

Absolute Maximum Ratings............................................................ 7

 

Thermal Resistance ...................................................................... 7

 

Explanation of Test Levels............................................................7

 

ESD Caution...................................................................................7

 

Pin Configuration and Function Descriptions..............................8

 

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

 

Equivalent Circuits......................................................................... 14

 

Terminology .................................................................................... 15

 

Theory of Operation ...................................................................... 17

 

Applying the AD6645 ................................................................ 17

 

Layout Information ........................................................................ 19

 

Jitter Considerations .................................................................. 19

 

Outline Dimensions ....................................................................... 24

 

Ordering Guide .......................................................................... 24

 

REVISION HISTORY

10/08—Rev. C to Rev. D

Added TQFP_EP Package ............................................ Throughout

Renamed Thermal Characteristics Section Thermal Resistance

Section................................................................................................ 7

Added Table 6; Renumbered Sequentially .................................... 7

Moved Equivalent Circuits Section.............................................. 14

Moved Terminology Section......................................................... 15

Changes to Table 9.......................................................................... 20

Updated Outline Dimensions ....................................................... 24

Changes to Ordering Guide .......................................................... 24

12/06—Rev. B to Rev. C

Updated Format..................................................................Universal

Changes to Specifications ................................................................ 3

Changes to Jitter Considerations Section .................................... 19

Changes to Table 8, Bill of Materials............................................ 20

Changes to Figure 43, Evaluation Board Schematic .................. 21

Changes to Figure 44 and Figure 46............................................. 22

Updated Outline Dimensions ....................................................... 23

Changes to Ordering Guide .......................................................... 23

7/03—Rev. A to Rev. B.

Changes to Title ................................................................................1

Changes to Features ..........................................................................1

Changes to Product Description .....................................................1

Changes to Specifications.................................................................3

Changes to Absolute Maximum Ratings........................................7

Changes to Ordering Guide .......................................................... 24

Updated Outline Dimensions....................................................... 20

6/02—Rev. 0 to Rev. A.

Change to DC Specifications ...........................................................3