Datasheet

AD7452

Rev. B | Page 2 of 28

TABLE OF CONTENTS

AD7452–Specifications.................................................................... 3

Timing Specifications .................................................................. 5

Absolute Maximum Ratings............................................................ 6

ESD Caution.................................................................................. 6

Pin Configuration and Function Descriptions............................. 7

Te rm i no lo g y ...................................................................................... 8

AD7452–Typical Performance Characteristics .......................... 10

Circuit Information........................................................................ 13

Converter Operation.................................................................. 13

ADC Transfer Function............................................................. 13

Typical Connection Diagram ................................................... 14

Analog Input ............................................................................... 14

Driving Differential Inputs........................................................ 16

Digital Inputs .............................................................................. 18

Reference ..................................................................................... 18

Single-Ended Operation............................................................ 18

Serial Interface ............................................................................ 19

Modes of Operation ....................................................................... 20

Normal Mode.............................................................................. 20

Power-Down Mode .................................................................... 20

Power-Up Time .......................................................................... 21

Power vs. Throughput Rate ....................................................... 22

Microprocessor and DSP Interfacing ...................................... 22

Application Hints ....................................................................... 24

Evaluating the AD7452’s Performance.................................... 24

Outline Dimensions....................................................................... 25

Ordering Guide .......................................................................... 25

REVISION HISTORY

2/04—Data Sheet changed from Rev. A to Rev. B

Added Patent Note ....................................................................... 1

2/04—Data Sheet changed from Rev. 0 to Rev. A

Updated Formatting.......................................................Universal

Changes to Applications section................................................. 1

Changes to General Description ................................................ 1

Changes to Specifications............................................................ 4

Changes to Timing Specifications.............................................. 5

Changes to Timing Example..................................................... 19

9/03—Revision 0: Initial Version