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ADM1066ACP Scheda tecnica(PDF) 2 Page - Analog Devices |
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ADM1066ACP Scheda tecnica(HTML) 2 Page - Analog Devices |
2 / 32 page ADM1066 Rev. 0 | Page 2 of 32 TABLE OF CONTENTS General Description ......................................................................... 3 Specifications..................................................................................... 4 Pin Configurations and Function Descriptions ........................... 7 Absolute Maximum Ratings............................................................ 8 Thermal Characteristics .............................................................. 8 ESD Caution.................................................................................. 8 Typical Performance Characteristics ............................................. 9 Powering the ADM1066 ................................................................ 12 Inputs................................................................................................ 13 Supply Supervision..................................................................... 13 Programming the Supply Fault Detectors............................... 13 Input Comparator Hysteresis.................................................... 14 Input Glitch Filtering ................................................................. 14 Supply Supervision with VXn Inputs....................................... 14 VXn Pins as Digital Inputs........................................................ 15 Outputs ............................................................................................ 16 Supply Sequencing through Configurable Output Drivers .. 16 Sequencing Engine ......................................................................... 17 Overview...................................................................................... 17 Warnings...................................................................................... 17 SMBus Jump/Unconditional Jump .......................................... 17 Sequencing Engine Application Example ............................... 18 Sequence Detector...................................................................... 19 Monitoring Fault Detector ........................................................ 19 Timeout Detector ....................................................................... 19 Fault Reporting........................................................................... 19 Voltage Readback............................................................................ 20 Supply Supervision with the ADC ........................................... 20 Supply Margining ........................................................................... 21 Overview ..................................................................................... 21 Open-Loop Margining .............................................................. 21 Closed-Loop Supply Margining ............................................... 21 Writing to the DACs .................................................................. 22 Choosing the Size of the Attenuation Resistor....................... 22 DAC Limiting/Other Safety Features ...................................... 22 Applications Diagram .................................................................... 23 Communicating with the ADM1066 ........................................... 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 Write Operations ........................................................................ 27 Read Operations ......................................................................... 29 Outline Dimensions ....................................................................... 31 Ordering Guide .......................................................................... 31 REVISION HISTORY 10/04—Revision 0: Initial Version |
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