Datasheet
AD7680
Rev. A | Page 2 of 24
TABLE OF CONTENTS
Specifications ..................................................................................... 2
Specifications ..................................................................................... 4
Timing Specifications ....................................................................... 6
Absolute Maximum Ratings ............................................................ 7
ESD Caution .................................................................................. 7
Pin Configurations and Function Descriptions ........................... 8
Terminology ...................................................................................... 9
Typical Performance Characteristics ........................................... 10
Circuit Information ........................................................................ 12
Converter Operation .................................................................. 12
Analog Input ............................................................................... 12
ADC Transfer Function ................................................................. 13
Typical Connection Diagram ................................................... 13
Digital Inputs .......................................................................... 13
Modes of Operation ....................................................................... 14
Normal Mode .............................................................................. 14
Power-Down Mode .................................................................... 15
Power vs. Throughput Rate ........................................................... 16
Serial Interface ................................................................................ 17
AD7680 to ADSP-218x .............................................................. 18
Application Hints ........................................................................... 19
Grounding and Layout .............................................................. 19
Outline Dimensions ....................................................................... 20
Ordering Guide .......................................................................... 21
REVISION HISTORY
5/11—Rev. 0 to Rev. A
Deleted the Evaluating the AD7680 Performance Section ...... 19
Changes to Ordering Guide .......................................................... 21
1/04—Revision 0: Initial Version