ADM1066ASU-REEL 查看數據表（PDF） - Analog Devices

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ADM1066ASU-REEL

Super Sequencer™ with Margining Control and Auxiliary ADC Inputs

Analog Devices 

ADM1066

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 ADM1066 ................................................................ 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

REVISION HISTORY

10/04—Revision 0: Initial Version

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/Other Safety Features ...................................... 22

Applications Diagram .................................................................... 23

Communicating with the ADM1066 ........................................... 24

Configuration Download at Power-Up................................... 24

Updating the Configuration ..................................................... 24

Updating the Sequencing Engine............................................. 25

Internal Registers........................................................................ 25

EEPROM ..................................................................................... 25

Serial Bus Interface..................................................................... 25

Write Operations ........................................................................ 27

Read Operations......................................................................... 29

Outline Dimensions ....................................................................... 31

Ordering Guide .......................................................................... 31

Rev. 0 | Page 2 of 32

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