ADM1067
Data Sheet
TABLE OF CONTENTS
Features .............................................................................................. 1
Overview ..................................................................................... 18
Warnings...................................................................................... 18
SMBus Jump (Unconditional Jump)........................................ 18
Sequencing Engine Application Example............................... 19
Fault and Status Reporting........................................................ 20
Supply Margining ........................................................................... 21
Overview ..................................................................................... 21
Open-Loop Supply Margining ................................................. 21
Writing to the DACs .................................................................. 21
Choosing the Size of the Attenuation Resistor....................... 22
DAC Limiting and Other Safety Features ............................... 22
Applications Diagram.................................................................... 23
Communicating with the ADM1067........................................... 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
SMBus Protocols for RAM and EEPROM.............................. 28
Write Operations........................................................................ 28
Read Operations......................................................................... 30
Outline Dimensions....................................................................... 31
Ordering Guide .......................................................................... 31
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 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 ADM1067................................................................ 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 ........................................................ 16
Outputs ............................................................................................ 17
Supply Sequencing Through Configurable Output Drivers.......17
Default Output Configuration.................................................. 17
Sequencing Engine ......................................................................... 18
Rev. E | Page 2 of 31
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