ADM1067
TABLE OF CONTENTS
Features .............................................................................................. 1
Warnings...................................................................................... 19
SMBus Jump/Unconditional Jump .......................................... 19
Sequencing Engine Application Example............................... 20
Fault and Status Reporting........................................................ 21
Supply Margining ........................................................................... 22
Overview ..................................................................................... 22
Open-Loop Margining .............................................................. 22
Writing to the DACs .................................................................. 22
Choosing the Size of the Attenuation Resistor....................... 23
DAC Limiting/Other Safety Features ...................................... 23
Applications Diagram.................................................................... 24
Communicating with the ADM1067........................................... 25
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.............................. 29
Write Operations........................................................................ 29
Read Operations......................................................................... 30
Outline Dimensions....................................................................... 32
Ordering Guide .......................................................................... 32
Functional Block Diagram .............................................................. 1
Applications....................................................................................... 1
General Description......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 4
Pin Configurations and Function Descriptions ........................... 7
Absolute Maximum Ratings............................................................ 9
Thermal Resistance ...................................................................... 9
ESD Caution.................................................................................. 9
Typical Performance Characteristics ........................................... 10
Powering the ADM1067................................................................ 13
Inputs................................................................................................ 14
Supply Supervision..................................................................... 14
Programming the Supply Fault Detectors............................... 14
Input Comparator Hysteresis.................................................... 15
Input Glitch Filtering ................................................................. 15
Supply Supervision with VXn Inputs ...................................... 15
VXn Pins as Digital Inputs........................................................ 15
Outputs ............................................................................................ 17
Supply Sequencing through Configurable Output Drivers .. 17
Default Output Configuration.................................................. 18
Sequencing Engine ......................................................................... 19
Overview...................................................................................... 19
REVISION HISTORY
11/06—Rev. A to Rev. B
1/05—Rev. 0 to Rev. A
Updated Format..................................................................Universal
Changes to Features.......................................................................... 1
Changes to Figure 2.......................................................................... 3
Changes to Table 1............................................................................ 4
Changes to Table 2............................................................................ 7
Changes to Absolute Maximum Ratings Section......................... 9
Changes to Programming the Supply Fault
Detectors Section............................................................................ 14
Changes to Table 6.......................................................................... 14
Added the Default Output Configuration Section..................... 18
Changes to Fault Reporting Section............................................. 21
Changes to Figure 28...................................................................... 24
Changes to the Identifying the ADM1067
Changes to Figure 1...........................................................................1
Changes to Absolute Maximum Ratings Section..........................8
Change to Supply Sequencing through Configurable
Output Drivers Section.................................................................. 16
Changes to Figure 28...................................................................... 22
Change to Table 9 ........................................................................... 25
10/04—Revision 0: Initial Version
on the SMBus Section .................................................................... 26
Changes to Figure 30 and Figure 31............................................. 28
Changes to Ordering Guide .......................................................... 32
Rev. B | Page 2 of 32
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