ADM1066 Analog Devices, ADM1066 Datasheet - Page 2

• Manufacturer Part Number: ADM1066
• Manufacturer: Analog Devices

Specifications of ADM1066

• # Supplies Monitored: 12
• Volt Monitoring Accuracy: 1%
• # Output Drivers: 10
• Fet Drive/enable Output: Both
• Voltage Readback: 12-bit ADC
• Supply Adj/margining: 12-bit ADC+6 DACs
• Package: 40 ld LFCSP ,48 ld TQFP

ADM1066
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
Pin Configurations and Function Descriptions ........................... 9
Typical Performance Characteristics ........................................... 11
Powering the ADM1066 ................................................................ 14
Inputs................................................................................................ 15
Outputs ............................................................................................ 17
Sequencing Engine ......................................................................... 18
Thermal Resistance ...................................................................... 8
ESD Caution.................................................................................. 8
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
Supply Sequencing Through Configurable Output Drivers. 17
Default Output Configuration.................................................. 17
Overview...................................................................................... 18
Warnings...................................................................................... 18
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Voltage Readback............................................................................ 21
Supply Margining ........................................................................... 22
Applications Diagram .................................................................... 24
Communicating with the ADM1066........................................... 25
Outline Dimensions ....................................................................... 31
SMBus Jump (Unconditional Jump)........................................ 18
Sequencing Engine Application Example ............................... 19
Fault and Status Reporting........................................................ 20
Supply Supervision with the ADC ........................................... 21
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
Configuration Download at Power-Up................................... 25
Updating the Configuration ..................................................... 25
Updating the Sequencing Engine............................................. 26
Internal Registers........................................................................ 26
EEPROM ..................................................................................... 26
Serial Bus Interface..................................................................... 26
SMBus Protocols for RAM and EEPROM.............................. 28
Write Operations ........................................................................ 28
Read Operations......................................................................... 30
Ordering Guide .......................................................................... 31