ADT7420 Analog Devices, ADT7420 Datasheet - Page 2

• Manufacturer Part Number: ADT7420
• Description: 16-Bit Digital I2C Temperature Sensor
• Manufacturer: Analog Devices

ADT7420
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 5
Pin Configuration and Function Descriptions ............................. 6
Typical Performance Characteristics ............................................. 7
Theory of Operation ........................................................................ 9
Registers ........................................................................................... 13
I
ESD Caution .................................................................................. 5
Circuit Information ...................................................................... 9
Converter Details.......................................................................... 9
Temperature Measurement ......................................................... 9
One-Shot Mode ............................................................................ 9
1 SPS Mode .................................................................................... 9
Shutdown ..................................................................................... 11
Fault Queue ................................................................................. 11
Temperature Data Format ......................................................... 12
Temperature Conversion Formulas ......................................... 12
Address Pointer Register ........................................................... 13
2
C Timing Specifications ............................................................ 4
Rev. PrA | Page 2 of 2
Serial Interface ................................................................................ 17
INT and CT Outputs ...................................................................... 21
Applications Information .............................................................. 23
Outline Dimensions ....................................................................... 24
Temperature Value Registers .................................................... 13
Status Register ............................................................................. 14
Configuration Register .............................................................. 14
T
T
T
T
ID Register................................................................................... 16
Serial Bus Address ...................................................................... 17
Writing Data ............................................................................... 18
Reading Data ............................................................................... 19
Reset ............................................................................................. 19
General Call ................................................................................ 19
Undertemperature and Overtemperature Detection ............ 21
Thermal Response Time ........................................................... 23
Supply Decoupling ..................................................................... 23
Temperature Monitoring ........................................................... 23
Ordering Guide .......................................................................... 24
HIGH
LOW
CRIT
HYST
Setpoint Registers .............................................................. 15
Setpoint Registers .............................................................. 15
Setpoint Register ............................................................... 16
Setpoint Registers ............................................................. 15
Preliminary Technical Data
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