AD7688BRMZ Просмотр технического описания (PDF) - Analog Devices

Номер в каталоге

Компоненты Описание

производитель

AD7688BRMZ

16-Bit, 1.5 LSB INL, 500 kSPS PulSAR™ Differential ADC in MSOP/QFN

Analog Devices 

AD7688

TABLE OF CONTENTS

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

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

Application Diagram........................................................................ 1

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

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

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

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

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

Thermal Resistance ...................................................................... 6

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

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

Terminology ...................................................................................... 8

Typical Performance Characteristics ............................................. 9

Circuit Information.................................................................... 12

Converter Operation.................................................................. 12

Typical Connection Diagram ................................................... 13

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

REVISION HISTORY

2/11—Rev. 0 to Rev. A

Deleted QFN in Development Note............................ Throughout

Changes to Table 5............................................................................ 6

Added Thermal Resistance Section and Table 6 .......................... 6

Changes to Figure 6 and Table 7..................................................... 7

Updated Outline Dimensions ....................................................... 24

Changes to Ordering Guide .......................................................... 25

4/05—Revision 0: Initial Version

Driver Amplifier Choice ........................................................... 15

Single-to-Differential Driver .................................................... 15

Voltage Reference Input ............................................................ 15

Power Supply............................................................................... 15

Supplying the ADC from the Reference.................................. 16

Digital Interface.......................................................................... 16

CS MODE 3-Wire, No BUSY Indicator .................................. 17

CS Mode 3-Wire with BUSY Indicator ................................... 18

CS Mode 4-Wire, No BUSY Indicator..................................... 19

CS Mode 4-Wire with BUSY Indicator ................................... 20

Chain Mode, No BUSY Indicator ............................................ 21

Chain Mode with BUSY Indicator........................................... 22

Application Hints ........................................................................... 23

Layout .......................................................................................... 23

Evaluating the AD7688’s Performance.................................... 23

Outline Dimensions ....................................................................... 24

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

Rev. A | Page 2 of 28

Share Link: