AD8280

Rev. C | Page 2 of 24

TABLE OF CONTENTS

Features .............................................................................................. 1

 

Applications....................................................................................... 1

 

General Description ......................................................................... 1

 

Functional Block Diagram .............................................................. 1

 

Revision History ............................................................................... 2

 

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

 

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

 

Thermal Resistance ...................................................................... 5

 

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

 

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

 

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

 

Theory of Operation ...................................................................... 15

 

Applications Information .............................................................. 16

 

Typical Connections .................................................................. 16

 

Cell Inputs ................................................................................... 16

 

Temperature Inputs and Thermistor Selection ...................... 16

 

Number of Cells Selection......................................................... 17

 

Threshold Inputs ........................................................................ 17

 

Top and Bottom Part Designation ........................................... 18

 

Typical Daisy-Chain Connections ........................................... 18

 

Shared or Separate Alarms........................................................ 18

 

Deglitching Options................................................................... 18

 

Enabling and Disabling the AD8280 ....................................... 20

 

Alarm Output ............................................................................. 20

 

Self-Test ....................................................................................... 20

 

Protection Components and Pull-Up/ Pull-Down Resistors 23

 

EMI Considerations................................................................... 23

 

System Accuracy Calculation ................................................... 23

 

Outline Dimensions ....................................................................... 24

 

Ordering Guide .......................................................................... 24

 

Automotive Products ................................................................. 24

 

REVISION HISTORY

7/11—Rev B to Rev. C

6/11—Rev. A to Rev. B

Changes to Table 1, Dynamic Performance, Self-Test

Change to Figure 36, Figure 37, and Figure 39........................... 13

7/10—Rev. 0 to Rev. A

Changes to Temperature Inputs and Thermistor Selection

Section.............................................................................................. 17

Added Figure 46; Renumbered Figures Sequentially ................ 17

Changes to Endnote 1 in Table 6.................................................. 18

Changes to Ordering Guide .......................................................... 24

4/10—Revision 0: Initial Version