Datasheet

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 Resistors23
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
Changes to Self-Test Completion Time, t
ST
Parameter and Self-
Test Vali d Time, t
STV
Parameter in Table 1 .................................... 3
6/11—Rev. A to Rev. B
Changes to Table 1, Dynamic Performance, Self-Test
Vali d Time, t
stv
Parameter ................................................................ 4
Change to Figure 36, Figure 37, and Figure 39........................... 13
7/10—Rev. 0 to Rev. A
Change to Logic 1 Voltage Input, V
IH
Parameter in Table 1 ........3
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