Datasheet

AD7091R Data Sheet
Rev. 0 | Page 2 of 20
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Timing Specifications .................................................................. 5
Absolute Maximum Ratings ............................................................ 6
Thermal Resistance ...................................................................... 6
ESD Caution .................................................................................. 6
Pin Configuration and Function Descriptions ............................. 7
Typical Performance Characteristics ............................................. 8
Terminology .................................................................................... 11
Theory of Operation ...................................................................... 12
Circuit Information .................................................................... 12
Converter Operation .................................................................. 12
ADC Transfer Function ............................................................. 12
Internal/External Voltage Reference ........................................ 12
Typical Connection Diagram ................................................... 13
Analog Input ............................................................................... 13
Modes of Operation ................................................................... 14
Power Consumption .................................................................. 14
Serial Interface ................................................................................ 16
With BUSY Indicator ................................................................. 16
Without BUSY Indicator ........................................................... 17
Software Reset ............................................................................. 18
Interfacing With 8-/16-Bit SPI ................................................. 18
Outline Dimensions ....................................................................... 20
Ordering Guide .......................................................................... 20
REVISION HISTORY
8/12—Revision 0: Initial Version