ADT7483A
TABLE OF CONTENTS
Features .............................................................................................. 1
Registers....................................................................................... 11
Serial Bus Interface..................................................................... 16
Addressing the Device............................................................... 16
Applications....................................................................................... 1
General Description......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
SMBus Timing Specifications..................................................... 4
Absolute Maximum Ratings............................................................ 5
Thermal Characteristics .............................................................. 5
ESD Caution.................................................................................. 5
Pin Configuration and Function Descriptions............................. 6
Typical Performance Characteristics ............................................. 7
Theory of Operation ........................................................................ 9
Temperature Measurement Method .......................................... 9
Temperature Measurement Results.......................................... 10
Temperature Measurement Range ........................................... 10
Temperature Data Format......................................................... 10
ALERT
Output............................................................................ 18
ALERT
Masking the
Output..................................................... 19
Low Power Standby Mode......................................................... 19
Sensor Fault Detection .............................................................. 19
Interrupt System......................................................................... 19
Applications..................................................................................... 21
Noise Filtering............................................................................. 21
Factors Affecting Diode Accuracy........................................... 21
Thermal Inertia and Self-Heating............................................ 21
Layout Considerations............................................................... 22
Application Circuit..................................................................... 22
Outline Dimensions....................................................................... 23
Ordering Guide .......................................................................... 23
REVISION HISTORY
7/05—Revision 0: Initial Version
Rev. 0 | Page 2 of 24