AD7457
TABLE OF CONTENTS
Specifications..................................................................................... 3
Timing Specifications....................................................................... 5
Absolute Maximum Ratings............................................................ 6
ESD Caution.................................................................................. 6
Pin Configuration and Function Descriptions............................. 7
Typical Performance Characteristics ............................................. 8
Terminology .................................................................................... 10
Theory of Operation ...................................................................... 11
Circuit Information.................................................................... 11
Converter Operation.................................................................. 11
ADC Transfer Function............................................................. 11
Typical Connection Diagram ................................................... 11
REVISION HISTORY
2/05—Rev. 0 to Rev. A
Changes to Table 3............................................................................ 6
Changes to Ordering Guide .......................................................... 17
10/03—Rev. 0: Initial Version
Analog Input ............................................................................... 12
Analog Input Structure.............................................................. 12
Digital Inputs .............................................................................. 13
Reference Section ....................................................................... 13
Serial Interface ............................................................................ 13
Power Consumption .................................................................. 14
Microprocessor Interfacing....................................................... 14
Application Hints ........................................................................... 16
Grounding and Layout .............................................................. 16
Outline Dimensions ....................................................................... 17
Ordering Guide .......................................................................... 17
Rev. A | Page 2 of 20