ADT7461AR-REEL7 ON Semiconductor, ADT7461AR-REEL7 Datasheet - Page 2

• Manufacturer Part Number: ADT7461AR-REEL7
• Description: IC SENSOR TEMP 2-CH 8SOIC
• Manufacturer: ON Semiconductor

Specifications of ADT7461AR-REEL7

• Rohs Status: RoHS non-compliant
• Function: Temp Monitoring System (Sensor)
• Topology: ADC, Comparator, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: 0°C ~ 127°C, External Sensor
• Output Type: SMBus™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 120°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)

ADT7461
TABLE OF CONTENTS
Specifications .....................................................................................3
SMBus Timing Specifications..........................................................4
Absolute Maximum Ratings ............................................................5
Pin Configuration and Function Descriptions .............................6
Typical Performance Characteristics..............................................7
Functional Description.....................................................................9
REVISION HISTORY
12/07- Rev 1: Conversion to ON Semiconductor
7/05—Rev. A to Rev. B
Changes to Features Section .............................................................1
Changes to Applications Section......................................................1
Changes to General Description Section........................................1
Changes to Addressing the Device Section ...................................14
Updated Outline Dimensions..........................................................21
Changes to the Ordering Guide ......................................................22
10/04—Rev. 0 to Rev. A
Change to SMBus Specifications.....................................................4
Changes to Figure 6 and Figure 10 .................................................7
Added Figure 9 and Figure 13 .........................................................7
Changes to Temperature Measurement Section .........................10
Changes to Figure 19 and Figure 25 .............................................16
Changes to Serial Bus Interface Section.......................................23
10/03—Revision 0: Initial Version
Thermal Characteristics...............................................................5
ESD Caution ..................................................................................5
Series Resistance Cancellation ....................................................9
Temperature Measurement Method...........................................9
Temperature Measurement Results ..........................................10
Temperature Measurement Range............................................10
Temperature Data Format..........................................................10
Rev. 3 | Page 2 of 23 | www.onsemi.com
Outline Dimensions........................................................................22
ADT7461 Registers.....................................................................11
Serial Bus Interface .....................................................................15
Addressing the Device................................................................15
ALERT Output ............................................................................17
Low Power Standby Mode .........................................................17
Sensor Fault Detection ...............................................................17
The ADT7461 Interrupt System ...............................................17
Application Information ............................................................19
Thermal Inertia and Self-Heating ............................................19
Layout Considerations ...............................................................20
Application Circuit .....................................................................21
Ordering Guide ...........................................................................23