Datasheet

ADM1062
Rev. C | Page 2 of 36
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