EVAL-ADM1026EB datasheet(2/56 Pages) AD

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ADM1026

Rev. A | Page 2 of 56

TABLE OF CONTENTS

Specifications..................................................................................... 3

Absolute Maximum Ratings............................................................ 5

Thermal Characteristics .............................................................. 5

ESD Caution.................................................................................. 5

Pin Configuration and Function Descriptions............................. 6

Typical Performance Characteristics ............................................. 8

Product Description ....................................................................... 10

Functional Description.............................................................. 10

Internal Registers........................................................................ 11

EEPROM ..................................................................................... 11

SMBus Protocols for RAM and EEPROM .............................. 13

Measurement Inputs .................................................................. 16

Temperature Measurement System.......................................... 20

Analog Output ............................................................................ 22

Fan Speed Measurement ........................................................... 25

Enabling and Clearing Interrupts ............................................ 29

NAND Tree Tests........................................................................ 31

Using the ADM1026 .................................................................. 33

Registers........................................................................................... 36

Detailed Register Descriptions ................................................. 38

Outline Dimensions ....................................................................... 54

Ordering Guide .......................................................................... 55

REVISION HISTORY

3/04—Data Sheet Changed from Rev. 0 to Rev. A

Updated Format..................................................................Universal

Change to Footnote 4, Table 1..........................................................4

Added Figure 15.................................................................................9

Changes to Table 6.......................................................................... 17

Changes to Figure 27...................................................................... 18

Change to Figure 31 ....................................................................... 19

Change to Battery Measurement Input Section ......................... 19

Changes to Table 7.......................................................................... 21

Changes to Equations in Fan Speed Measurement Section...... 26

Change to Chassis Intrusion Input Section ................................ 27

Changes to Reset Input and Outputs Section ............................. 31

Changes to Software Reset Function Section ............................. 34

Changes to Ordering Guide .......................................................... 55

5/02—Revision 0: Initial Version

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