ADT7483AARQZ-RL ON Semiconductor, ADT7483AARQZ-RL Datasheet - Page 2
![IC TEMP SENSOR/ALARM 2CH 16-QSOP](/photos/7/49/74958/16-qsop_492_sml.jpg)
ADT7483AARQZ-RL
Manufacturer Part Number
ADT7483AARQZ-RL
Description
IC TEMP SENSOR/ALARM 2CH 16-QSOP
Manufacturer
ON Semiconductor
Datasheet
1.ADT7483AARQZ.pdf
(24 pages)
Specifications of ADT7483AARQZ-RL
Function
Temp Monitoring System (Sensor)
Topology
ADC, Comparator, Multiplexer, Register Bank
Sensor Type
External & Internal
Sensing Temperature
-40°C ~ 125°C, External Sensor
Output Type
SMBus™
Output Alarm
Yes
Output Fan
Yes
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
16-QSOP
Full Temp Accuracy
+/- 2.5 C
Digital Output - Bus Interface
Serial (2-Wire)
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
ADT7483A
TABLE OF CONTENTS
Features...............................................................................................1
Applications .......................................................................................1
General Description..........................................................................1
Functional Block Diagram...............................................................1
Revision History................................................................................2
Specifications .....................................................................................2
Absolute Maximum Ratings ............................................................5
Pin Configuration and Function Descriptions .............................6
Typical Performance Characteristics..............................................7
Theory of Operation.........................................................................9
REVISION HISTORY
02/08—Rev 1: Conversion to ON Semiconductor
07/05—Revision 0: Initial Version
SMBus Timing Specifications......................................................4
Thermal Characteristics...............................................................5
ESD Caution ..................................................................................5
Temperature Measurement Method...........................................9
Temperature Measurement Results ..........................................10
Temperature Measurement Range............................................10
Temperature Data Format..........................................................10
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Applications .....................................................................................22
Outline Dimensions........................................................................24
Registers .......................................................................................11
Serial Bus Interface .....................................................................17
Addressing the Device................................................................17
ALERT Output ............................................................................19
Masking the ALERT Output .....................................................19
Low Power Standby Mode .........................................................19
Sensor Fault Detection ...............................................................20
Interrupt System..........................................................................20
Noise Filtering .............................................................................22
Factors Affecting Diode Accuracy ...........................................22
Thermal Inertia and Self-Heating ............................................22
Layout Considerations ...............................................................23
Application Circuit .....................................................................23
Ordering Guide ...........................................................................24