ADM1062ASUZ(RevC) Просмотр технического описания (PDF) - Analog Devices

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ADM1062ASUZ
(Rev.:RevC)

Super Sequencer with Margining Control and Temperature Monitoring

Analog Devices 

ADM1062

TABLE OF CONTENTS

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

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

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

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

Revision History ............................................................................... 3

Detailed Block Diagram .................................................................. 4

Specifications..................................................................................... 5

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

Thermal Resistance ...................................................................... 8

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

Pin Configurations and Function Descriptions ........................... 9

Typical Performance Characteristics ........................................... 11

Powering the ADM1062 ................................................................ 14

Inputs................................................................................................ 15

Supply Supervision..................................................................... 15

Programming the Supply Fault Detectors............................... 15

Input Comparator Hysteresis.................................................... 15

Input Glitch Filtering ................................................................. 16

Supply Supervision with VXx Inputs....................................... 16

VXx Pins as Digital Inputs ........................................................ 16

Outputs ............................................................................................ 17

Supply Sequencing Through Configurable Output Drivers. 17

Default Output Configuration.................................................. 17

Sequencing Engine ......................................................................... 18

Overview...................................................................................... 18

Warnings...................................................................................... 18

SMBus Jump (Unconditional Jump)........................................ 18

Sequencing Engine Application Example ............................... 19

Fault and Status Reporting........................................................ 20

Voltage Readback............................................................................ 21

Supply Supervision with the ADC ........................................... 21

Supply Margining ........................................................................... 22

Overview ..................................................................................... 22

Open-Loop Supply Margining ................................................. 22

Closed-Loop Supply Margining ............................................... 22

Writing to the DACs .................................................................. 23

Choosing the Size of the Attenuation Resistor....................... 23

DAC Limiting and Other Safety Features ............................... 23

Temperature Measurement System.............................................. 24

Remote Temperature Measurement ........................................ 24

Applications Diagram .................................................................... 26

Communicating with the ADM1062........................................... 27

Configuration Download at Power-Up................................... 27

Updating the Configuration ..................................................... 27

Updating the Sequencing Engine............................................. 28

Internal Registers........................................................................ 28

EEPROM ..................................................................................... 28

Serial Bus Interface..................................................................... 28

SMBus Protocols for RAM and EEPROM.............................. 31

Write Operations ........................................................................ 31

Read Operations......................................................................... 32

Outline Dimensions ....................................................................... 34

Ordering Guide .......................................................................... 35

Rev. C | Page 2 of 36

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