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ADM1191
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings ............................................................ 5
Thermal Characteristics .............................................................. 5
ESD Caution .................................................................................. 5
Pin Configuration and Function Descriptions ............................. 6
Typical Performance Characteristics ............................................. 7
Voltage and Current Readback ....................................................... 9
Serial Bus Interface ....................................................................... 9
REVISION HISTORY
6/12—Rev. B to Rev. C
Added V BUS = 3.0 V to 5.5 V Condition to V IL and V IH , Table 1 .. 4
Changed SETV Pin Rating from 30 V to 6 V, Table 2 ................. 5
Changes to Pin 3, Pin 5, and Pin 10 Descriptions ........................ 6
Changes to Bit 2, Table 9 ................................................................ 12
Changes to ALERTB Output Section ........................................... 15
Changes to Kelvin Sense Resistor Connection Section ............. 15
Deleted Figure 27 ............................................................................ 15
Updated Outline Dimensions ....................................................... 16
Data Sheet
Identifying the ADM1191 on the I 2 C Bus..................................9
General I 2 C Timing .......................................................................9
Write and Read Operations ........................................................... 11
Quick Command ........................................................................ 11
Write Command Byte ................................................................ 11
Write Extended Command Byte .............................................. 12
Read Voltage and/or Current Data Bytes ................................ 13
Applications Information .............................................................. 15
ALERTB Output ......................................................................... 15
SETV Pin ..................................................................................... 15
Kelvin Sense Resistor Connection ........................................... 15
Outline Dimensions ....................................................................... 16
Ordering Guide .......................................................................... 16
4/07—Rev. 0 to Rev. A
Changes to Table 1.............................................................................3
Changes to Table 5.............................................................................9
Changes to Figure 16 and Figure 17 ............................................ 10
Changes to Figure 21...................................................................... 12
Changes to Figure 23 and Figure 24 ............................................ 13
Added Applications Information Heading ................................. 15
9/06—Revision 0: Initial Version
2/08—Rev. A to Rev. B
Changed V VCC to V CC Throughout ................................................. 3
Added ADC Conversion Time Parameter .................................... 3
Changes to Input Current for 00 Decode, I ADRLOW , Parameter ... 4
Changes to Input Current for 11 Decode, I ADRHIGH , Parameter... 4
Added Endnote 2 .............................................................................. 4
Changes to Figure 6 .......................................................................... 7
Changes to Identifying the ADM1191 on the I 2 C Bus Section ......... 9
Changes to General I 2 C Timing Section, Step 3 ........................... 9
Changes to Table 5 ............................................................................ 9
Changes to Figure 16 and Figure 17............................................. 10
Changes to Quick Command Section ......................................... 11
Changes to Figure 19 ...................................................................... 11
Changes to Table 7 .......................................................................... 11
Changes to Write Extended Command Byte Section ................ 12
Changes to Figure 21 ...................................................................... 12
Changes to Table 9 and Table 11................................................... 12
Changes to Converting ADC Codes to Voltage and
Current Readings Section ......................................................... 13
Changes to Figure 25 ...................................................................... 15
Change to SETV Pin Section ........................................................ 15
Rev. C | Page 2 of 16
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