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ADM1260ACPZ Folha de dados(PDF) 2 Page - Analog Devices |
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ADM1260ACPZ Folha de dados(HTML) 2 Page - Analog Devices |
2 / 71 page 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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Descrição semelhante - ADM1260ACPZ |
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