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ADM1260ACPZ Folha de dados(PDF) 2 Page - Analog Devices

Nome de Peças ADM1260ACPZ
Descrição Electrónicos  Super Sequencer with Interchip Bus and Nonvolatile Fault Recording
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Fabricante Electrônico  AD [Analog Devices]
Página de início  http://www.analog.com
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ADM1260ACPZ Folha de dados(HTML) 2 Page - Analog Devices

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ADM1260
Data Sheet
Rev. 0 | Page 2 of 71
TABLE OF CONTENTS
Features .............................................................................................. 1
 
Functional Block Diagram .............................................................. 1
 
Applications....................................................................................... 1
 
Revision History ............................................................................... 3
 
General Description ......................................................................... 4
 
Detailed Functional Block Diagram .............................................. 4
 
Specifications..................................................................................... 5
 
Absolute Maximum Ratings............................................................ 9
 
Thermal Resistance ...................................................................... 9
 
ESD Caution.................................................................................. 9
 
Pin Configuration and Function Descriptions........................... 10
 
Typical Performance Characteristics ........................................... 11
 
Test Circuits..................................................................................... 14
 
Powering the ADM1260 ................................................................ 15
 
Slew Rate Considerations .......................................................... 15
 
Inputs................................................................................................ 16
 
Supply Supervision..................................................................... 16
 
Programming the Supply Fault Detectors............................... 16
 
Input Comparator Hysteresis.................................................... 16
 
Input Glitch Filtering ................................................................. 17
 
Supply Supervision with the VXx Inputs ................................ 17
 
VXx Pins as Digital Inputs ........................................................ 18
 
Outputs ............................................................................................ 19
 
Supply Sequencing Through Configurable Output Drivers...... 19
 
Default Output Configuration.................................................. 19
 
Sequencing Engine ......................................................................... 20
 
Overview...................................................................................... 20
 
Warnings...................................................................................... 20
 
SMBus Jump (Unconditional Jump)........................................ 20
 
Interchip Bus ............................................................................... 21
 
SE Application Example ............................................................ 21
 
Fault and Status Reporting ........................................................ 23
 
Nonvolatile Black Box Fault Recording................................... 24
 
Black Box Writes with No External Supply............................. 24
 
Voltage Readback............................................................................ 25
 
Supply Supervision with the ADC ........................................... 25
 
Supply Margining ........................................................................... 26
 
Overview...................................................................................... 26
 
Open-Loop Supply Margining ................................................. 26
 
Closed-Loop Supply Margining ............................................... 26
 
Writing to the DACs .................................................................. 27
 
Choosing the Size of the Attenuation Resistor....................... 27
 
DAC Limiting and Other Safety Features ............................... 27
 
Applications Information .............................................................. 28
 
Multiple Devices Linked by ICB and Power Island
Management ............................................................................... 28
 
Communicating with the ADM1260 ........................................... 30
 
Configuration Download at Power-Up................................... 30
 
Updating the Configuration ..................................................... 30
 
Updating the Sequencing Engine............................................. 31
 
Internal Registers........................................................................ 31
 
EEPROM ..................................................................................... 31
 
Serial Bus Interface..................................................................... 31
 
SMBus Protocols for RAM and EEPROM.............................. 33
 
Write Operations ........................................................................ 34
 
Read Operations......................................................................... 35
 
Interchip Bus ................................................................................... 37
 
Overview ..................................................................................... 37
 
Message Formats ........................................................................ 37
 
ICB Addressing and Event ........................................................ 37
 
ICB Fault Handling .................................................................... 38
 
ICB Pull-Up Resistor ................................................................. 38
 
Configuration Registers................................................................. 39
 
Updating the Memory, Enabling Block Erasure, and
Downloading EEPROM ............................................................ 39
 
Inputs ........................................................................................... 40
 
Outputs ........................................................................................ 48
 
Sequencing Engine..................................................................... 54
 
Configuring Sequence Engine States to Write into the Black
Box EEPROM ............................................................................. 58
 
ADC ............................................................................................. 60
 
DACs ............................................................................................ 63
 
Warnings, Faults, and Status ..................................................... 66
 
Black Box Status Registers and Fault Records ........................ 67
 
Use of the REVID Register........................................................ 69
 
Interchip Bus Configuration..................................................... 69
 
Register Map Quick Reference ..................................................... 70
 
Outline Dimensions ....................................................................... 71
 
Ordering Guide .......................................................................... 71
 


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