Datasheet

AD7466/AD7467/AD7468
Rev. C | Page 2 of 28
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
AD7466.......................................................................................... 3
AD7467.......................................................................................... 5
AD7468.......................................................................................... 7
Timing Specifications .................................................................. 9
Timing Examples........................................................................ 10
Absolute Maximum Ratings.......................................................... 11
ESD Caution................................................................................ 11
Pin Configurations and Function Descriptions ......................... 12
Typical Performance Characteristics ........................................... 13
Dynamic Performance Curves ................................................. 13
DC Accuracy Curves ................................................................. 13
Power Requirement Curves ...................................................... 13
Terminology.................................................................................... 16
Theory of Operation...................................................................... 17
Circuit Information.................................................................... 17
Converter Operation.................................................................. 17
ADC Transfer Function............................................................. 17
Typical Connection Diagram ................................................... 17
Analog Input............................................................................... 18
Digital Inputs .............................................................................. 18
Normal Mode.............................................................................. 19
Power Consumption .................................................................. 20
Serial Interface ................................................................................ 22
Microprocessor Interfacing....................................................... 23
Application Hints ........................................................................... 25
Grounding and Layout .............................................................. 25
Evaluating the Performance of the AD7466 and AD7467.... 25
Outline Dimensions....................................................................... 26
Ordering Guide .......................................................................... 27
REVISION HISTORY
5/07—Rev. B to Rev. C
Deleted Figure 3.............................................................................. 10
Updated Outline Dimensions....................................................... 26
Changes to Ordering Guide .......................................................... 27
4/05—Rev. A to Rev. B
Moved Terminology Section......................................................... 16
Changes to Ordering Guide .......................................................... 27
11/04—Rev. 0 to Rev. A
Updated Format..................................................................Universal
Changes to General Description .................................................... 1
Added Patent Number ..................................................................... 1
Updated Outline Dimensions....................................................... 26
Changes to Ordering Guide .......................................................... 27
5/03—Revision 0: Initial Version