ADM1063 datasheet(2/36 Pages) AD

Numer części	ADM1063

Szczegółowy opis	Multisupply Supervisor/Sequencer with ADC and Temperature Monitoring

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ADM1063

Rev. 0 | Page 2 of 36

TABLE OF CONTENTS

General Description ......................................................................... 3

Specifications..................................................................................... 4

Pin Configurations and Function Descriptions ........................... 7

Absolute Maximum Ratings............................................................ 8

Thermal Characteristics .............................................................. 8

ESD Caution.................................................................................. 8

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

Powering the ADM1063 ................................................................ 12

Inputs................................................................................................ 13

Supply Supervision..................................................................... 13

Programming the Supply Fault Detectors............................... 13

Input Comparator Hysteresis.................................................... 14

Input Glitch Filtering ................................................................. 14

Supply Supervision with VXn Inputs ...................................... 14

VXn Pins as Digital Inputs........................................................ 15

Outputs ............................................................................................ 16

Supply Sequencing Through Configurable

Output Drivers............................................................................ 16

Sequencing Engine ......................................................................... 17

Overview...................................................................................... 17

Warnings...................................................................................... 17

SMBus Jump (Unconditional Jump)........................................ 17

Sequencing Engine Application Example ............................... 18

Sequence Detector...................................................................... 19

Monitoring Fault Detector ........................................................ 19

Timeout Detector ....................................................................... 19

Fault Reporting........................................................................... 19

Voltage Readback............................................................................ 20

Supply Supervision with the ADC ........................................... 20

Supply Margining ........................................................................... 21

Overview ..................................................................................... 21

Open-Loop Margining .............................................................. 21

Closed-Loop Supply Margining ............................................... 21

Writing to the DACs .................................................................. 22

Choosing the Size of the Attenuation Resistor....................... 22

DAC Limiting and Other Safety Features ............................... 22

Temperature Measurement System.............................................. 23

Remote Temperature Measurement ........................................ 23

Applications Diagram .................................................................... 25

Communicating with the ADM1063........................................... 26

Configuration Download at Power-Up................................... 26

Updating the Configuration ..................................................... 26

Updating the Sequencing Engine............................................. 27

Internal Registers........................................................................ 27

EEPROM ..................................................................................... 27

Serial Bus Interface..................................................................... 27

SMBus Protocols for RAM and EEPROM.............................. 29

Write Operations ........................................................................ 29

Read Operations......................................................................... 31

Outline Dimensions ....................................................................... 33

Ordering Guide .......................................................................... 34

REVISION HISTORY

4/05—Revision 0: Initial Version

Podobny numer części - ADM1063

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