AD7918 Ver la hoja de datos (PDF) - Analog Devices

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AD7918

8-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 20-Lead TSSOP

Analog Devices 

AD7908/AD7918/AD7928

TABLE OF CONTENTS

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

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

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

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

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

Specifications..................................................................................... 3

AD7908 Specifications................................................................. 3

AD7918 Specifications................................................................. 5

AD7928 Specifications................................................................. 7

Timing Specifications .................................................................. 9

Absolute Maximum Ratings.......................................................... 10

ESD Caution................................................................................ 10

Pin Configuration and Function Descriptions........................... 11

Terminology .................................................................................... 12

Typical Performance Characteristics ........................................... 13

Performance Curves................................................................... 13

REVISION HISTORY

12/10—Rev. C to Rev. D

Changes to Features Section............................................................ 1

Added Automotive SINAD and SNR Parameters (Table 1)........ 3

Added Automotive SINAD and SNR Parameters (Table 2)........ 5

Added Automotive SINAD and SNR Parameters (Table 3)........ 7

Added Automotive Temperature Range (Table 5) ....................... 7

Added Automotive Products Section .......................................... 28

Changes to Ordering Guide .......................................................... 28

11/08—Rev. B to Rev. C

Changes to ESD Parameter, Table 5 ............................................. 10

Control Register.............................................................................. 15

Sequencer Operation ................................................................. 16

SHADOW Register .................................................................... 17

Circuit Information.................................................................... 18

Converter Operation.................................................................. 18

ADC Transfer Function............................................................. 19

Handling Bipolar Input Signals ................................................ 19

Typical Connection Diagram ................................................... 19

Modes of Operation ................................................................... 21

Power vs. Throughput Rate....................................................... 23

Serial Interface ............................................................................ 23

Microprocessor Interfacing....................................................... 24

Application Hints ....................................................................... 27

Outline Dimensions ....................................................................... 28

Ordering Guide .......................................................................... 29

Automotive Products ................................................................. 29

6/06—Rev. A to Rev. B

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

Changes to Reference Section....................................................... 21

9/03—Rev. 0 to Rev. A

Changes to Figure 3........................................................................ 15

Changes to Reference section ....................................................... 18

Rev. D | Page 2 of 32

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