ADM1068(RevC) Просмотр технического описания (PDF) - Analog Devices

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ADM1068
(Rev.:RevC)

Super Sequencer and Monitor

Analog Devices 

ADM1068

TABLE OF CONTENTS

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

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

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

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

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

Detailed Block Diagram .................................................................. 3

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

Absolute Maximum Ratings............................................................ 6

Thermal Resistance ...................................................................... 6

ESD Caution.................................................................................. 6

Pin Configuration and Function Descriptions............................. 7

Typical Performance Characteristics ............................................. 8

Powering the ADM1068 ................................................................ 10

Inputs................................................................................................ 11

Supply Supervision..................................................................... 11

Programming the Supply Fault Detectors............................... 11

Input Comparator Hysteresis.................................................... 11

Input Glitch Filtering ................................................................. 12

Supply Supervision with VXx Inputs....................................... 12

VXx Pins as Digital Inputs ........................................................ 12

Outputs ............................................................................................ 13

REVISION HISTORY

6/11—Rev. B to Rev. C

Changes to Serial Bus Timing Parameter in Table 1.................... 4

Changes to Ordering Guide .......................................................... 24

5/08—Rev. A to Rev. B

Changes to Table 1............................................................................ 4

Changes to Powering the ADM1068 Section ............................. 10

Changes to Default Output Configuration Section ................... 13

Changes to Sequence Detector Section ....................................... 16

Changes to Table 9.......................................................................... 19

Changes to Figure 35 and Error Correction Section ................. 23

Changes to Ordering Guide .......................................................... 24

Supply Sequencing Through Configurable Output Drivers. 13

Default Output Configuration.................................................. 13

Sequencing Engine ......................................................................... 14

Overview ..................................................................................... 14

Warnings...................................................................................... 14

SMBus Jump (Unconditional Jump)........................................ 14

Sequencing Engine Application Example ............................... 15

Fault and Status Reporting........................................................ 16

Applications Diagram .................................................................... 17

Communicating with the ADM1068........................................... 18

Configuration Download at Power-Up................................... 18

Updating the Configuration ..................................................... 18

Updating the Sequencing Engine............................................. 19

Internal Registers........................................................................ 19

EEPROM ..................................................................................... 19

Serial Bus Interface..................................................................... 19

SMBus Protocols for RAM and EEPROM.............................. 21

Write Operations ........................................................................ 21

Read Operations......................................................................... 23

Outline Dimensions ....................................................................... 24

Ordering Guide .......................................................................... 24

7/06—Rev. 0 to Rev. A

Changes to Features ..........................................................................1

Changes to Table 1.............................................................................4

Changes to Table 2.............................................................................6

Changes to Table 3.............................................................................7

Inserted Table 4; Renumbered Sequentially ..................................7

Changes to Programming the Supply Fault Detectors Section ..... 11

Changes to Outputs Section.......................................................... 14

Changes to Fault Reporting Section ............................................ 19

Changes to Figure 23...................................................................... 20

Inserted Table 9, Renumbered Sequentially ............................... 23

Change to Ordering Guide............................................................ 28

1/05—Revision 0: Initial Version

Rev. C | Page 2 of 24

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