AD7495BRM Ver la hoja de datos (PDF) - Analog Devices

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AD7495BRM

1 MSPS, 12-Bit ADCs

Analog Devices 

AD7475/AD7495

TABLE OF CONTENTS

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 Configuration and Function Descriptions........................... 10

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

Typical Performance Curves ......................................................... 12

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

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

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

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

REVISION HISTORY

5/05—Rev. A to Rev. B

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

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

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

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

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

Rev. B | Page 2 of 24

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