Datasheet

AD7612 Data Sheet
Rev. A | Page 2 of 32
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Timing Specifications .................................................................. 5
Absolute Maximum Ratings ............................................................ 7
ESD Caution .................................................................................. 7
Pin Configuration and Function Descriptions ............................. 8
Typical Performance Characteristics ........................................... 12
Terminology .................................................................................... 16
Theory of Operation ...................................................................... 17
Overvie w ...................................................................................... 17
Converter Operation .................................................................. 17
Modes of Operation ................................................................... 18
Transfer Functions...................................................................... 18
Typical Connection Diagram ................................................... 19
Analog Inputs ............................................................................. 20
Driver Amplifier Choice ........................................................... 21
Voltage Reference Input/Output .............................................. 21
Power Supplies ............................................................................ 22
Conversion Control ................................................................... 23
Interfaces.......................................................................................... 24
Digital Interface .......................................................................... 24
Parallel Interface ......................................................................... 24
Serial Interface ............................................................................ 25
Master Serial Interface ............................................................... 25
Slave Serial Interface .................................................................. 27
Hardware Configuration ........................................................... 29
Software Configuration ............................................................. 29
Microprocessor Interfacing ....................................................... 30
Application Information ................................................................ 31
Layout Guidelines....................................................................... 31
Evaluating Performance ............................................................ 31
Outline Dimensions ....................................................................... 32
Ordering Guide .......................................................................... 32
REVISION HISTORY
12/12—Rev. 0 to Rev. A
Added Exposed Pad Note ................................................................ 8
Changes to Power Sequencing Section ........................................ 23
Updated Outline Dimensions ....................................................... 32
Changes to Ordering Guide .......................................................... 32
10/06—Revision 0: Initial Version