AD7475/AD7495

Data Sheet

Rev. D | Page 2 of 24

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

General Description ......................................................................... 1

Functional Block Diagram .............................................................. 1

Product Highlights ........................................................................... 1

Revision History ............................................................................... 2

AD7475 Specifications..................................................................... 3

AD7495 Specifications..................................................................... 5

Timing Specifications....................................................................... 7

Timing Example 1 ........................................................................ 8

Timing Example 2 ........................................................................ 8

Absolute Maximum Ratings............................................................ 9

ESD Caution.................................................................................. 9

Pin Configurations and Function Descriptions ......................... 10

Terminology .................................................................................... 11

Typical Performance Characteristics ........................................... 12

Theory of Operation ...................................................................... 13

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

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

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

Operating Modes............................................................................ 16

Normal Mode.............................................................................. 16

Partial Power-Down Mode ....................................................... 16

Full Power-Down Mode ............................................................ 17

Power vs. Throughput Rate....................................................... 19

Serial Interface ................................................................................ 20

Microprocessor Interfacing........................................................... 21

AD7475/AD7495 to TMS320C5X/C54X................................. 21

AD7475/AD7495 to ADSP-21xx.............................................. 21

AD7475/AD7495 to DSP56XXX ............................................... 22

AD7475/AD7495 to MC68HC16............................................. 22

Outline Dimensions....................................................................... 23

Ordering Guide .......................................................................... 24

REVISION HISTORY

7/2018—Rev. C to Rev. D

Changes to Ordering Guide .......................................................... 24

7/2015—Rev. B to Rev. C

Changes to Ordering Guide .......................................................... 24

5/2005—Rev. A to Rev. B

Updated Format..................................................................Universal

Added Patent Information............................................................... 1

Updated Outline Dimensions....................................................... 23

Changes to Ordering Guide .......................................................... 24