ADM1069 View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

ADM1069

Super Sequencer with Margining Control

Analog Devices 

ADM1069

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 ADM1069 ................................................................ 14

Slew Rate Consideration............................................................ 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 ........................................................ 17

Outputs ............................................................................................ 18

Supply Sequencing Through Configurable Output Drivers. 18

Default Output Configuration.................................................. 18

Sequencing Engine ......................................................................... 20

Overview...................................................................................... 20

Warnings...................................................................................... 20

Data Sheet

SMBus Jump (Unconditional Jump)........................................ 20

Sequencing Engine Application Example ............................... 21

Fault and Status Reporting........................................................ 22

Voltage Readback............................................................................ 23

Supply Supervision with the ADC ........................................... 23

Supply Margining ........................................................................... 24

Overview ..................................................................................... 24

Open-Loop Supply Margining ................................................. 24

Closed-Loop Supply Margining ............................................... 24

Writing to the DACs .................................................................. 25

Choosing the Size of the Attenuation Resistor....................... 25

DAC Limiting and Other Safety Features ............................... 25

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

Communicating with the ADM1069........................................... 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 ......................................................................... 33

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

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

Rev. E | Page 2 of 34

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