ADM1191-2ARMZ-R71(RevB) View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

ADM1191-2ARMZ-R71
(Rev.:RevB)

Digital Power Monitor with Convert Pin and ALERTB Output

Analog Devices 

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

2/08—Rev. A to Rev. B

Changed VVCC to VCC Throughout ................................................. 3

Added ADC Conversion Time Parameter .................................... 3

Changes to Input Current for 00 Decode, IADRLOW, Parameter ... 4

Changes to Input Current for 11 Decode, IADRHIGH, Parameter... 4

Added Endnote 2 .............................................................................. 4

Changes to Figure 6.......................................................................... 7

Changes to Identifying the ADM1191 on the I2C Bus Section.........9

Changes to General I2C 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

Identifying the ADM1191 on the I2C Bus..................................9

General I2C 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

Rev. B | Page 2 of 16

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