AD7091R-8BRUZ datasheet(3/41 Pages) ETC2

No de pièce	AD7091R-8BRUZ

Description	2-/4-/8-Channel, 1 MSPS, Ultralow Power, 12-Bit ADC in 16-/20-/24-Lead TSSOP

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AD7091R-2/AD7091R-4/AD7091R-8

Data Sheet

TABLE OF CONTENTS

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

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

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

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

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

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

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

Absolute Maximum Ratings............................................................ 7

Thermal Resistance ...................................................................... 7

ESD Caution.................................................................................. 7

Pin Configurations and Function Descriptions ........................... 8

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

Terminology .................................................................................... 17

Theory of Operation ...................................................................... 18

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

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

ADC Transfer Function............................................................. 18

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

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

Analog Input ............................................................................... 19

Registers........................................................................................... 21

Addressing Registers.................................................................. 21

Conversion Result Register....................................................... 22

Channel Register ........................................................................ 23

Configuration Register .............................................................. 24

Alert Indication Register........................................................... 26

Channel x Low Limit Register.................................................. 28

Channel x High Limit Register................................................. 28

Channel x Hysteresis Register .................................................. 28

Serial Interface ................................................................................ 29

Reading Conversion Result....................................................... 29

Writing Data to the Registers ................................................... 29

Reading Data from the Registers.............................................. 29

Modes of Operation ....................................................................... 31

Normal Mode.............................................................................. 31

Power-Down Mode.................................................................... 31

ALERT (AD7091R-4 and AD7091R-8 Only) .......................... 32

BUSY (AD7091R-4 and AD7091R-8 Only)............................. 32

Channel Sequencer .................................................................... 33

Daisy Chain................................................................................. 34

Outline Dimensions....................................................................... 36

Ordering Guide .......................................................................... 37

REVISION HISTORY

12/13—Revision 0: Initial Version

Rev. 0 | Page 2 of 40

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Fabricant	No de pièce	Fiches technique	Description
Analog Devices	AD7091R-5	699Kb / 34P	4-Channel, I2C, Ultralow Power, 12-Bit ADC in 20-Lead LFCSP/TSSOP
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	AD7490	673Kb / 28P	16-Channel, 1 MSPS, 12-Bit ADC with Sequencer in 28-Lead TSSOP REV. D
	AD7914	525Kb / 32P	4-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 16-Lead TSSOP REV. C
	AD7924	525Kb / 32P	4-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 16-Lead TSSOP REV. C
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