Datasheet ADT7408 (Analog Devices) - 2

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ADT7408 Data Sheet TABLE OF CONTENTS
Features .. 1 Address Pointer Register (Write Only).. 10 Applications ... 1 Capability Register (Read Only) .. 10 Functional Block Diagram .. 1 Configuration Register (Read/Write) .. 11 General Description ... 1 Temperature Trip Point Registers .. 13 Revision History ... 2 ID Registers ... 14 Specifications ... 3 Temperature Data Format ... 15 Timing Characteristics .. 4 Event Pin Functionality ... 16 Timing Diagram ... 4 Serial Interface .. 17 Absolute Maximum Ratings .. 5 SMBus/I2C Communications ... 18 ESD Caution .. 5 Applications information .. 21 Pin Configuration and Function Descriptions ... 6 Thermal Response Time ... 21 Typical Performance Characteristics ... 7 Self-Heating Effects .. 21 Theory of Operation .. 8 Supply Decoupling ... 21 Circuit Information .. 8 Temperature Monitoring ... 21 Converter Details.. 8 Outline Dimensions ... 22 Modes of Operation ... 8 Ordering Guide .. 22 Registers ... 10
REVISION HISTORY 6/2016—Rev. 0 to Rev. A
Changed CP-8-2 to CP-8-13 .. Throughout Changes to Figure 4 .. 6 Updated Outline Dimensions ... 22 Changes to Ordering Guide .. 22
3/2006—Revision 0: Initial Version
Rev. A | Page 2 of 22 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING CHARACTERISTICS TIMING DIAGRAM ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER DETAILS MODES OF OPERATION REGISTERS ADDRESS POINTER REGISTER (WRITE ONLY) CAPABILITY REGISTER (READ ONLY) CONFIGURATION REGISTER (READ/WRITE) TEMPERATURE TRIP POINT REGISTERS Alarm Temperature Upper Boundary Trip Register (Read/Write) Alarm Temperature Lower Boundary Trip Register (Read/Write) Critical Temperature Trip Register (Read/Write) Temperature Value Register (Read Only) ID REGISTERS Manufacturer ID Register (Read Only) Device ID and Revision Register (Read Only) TEMPERATURE DATA FORMAT 12-Bit Temperature Data Format 10-Bit Temperature Data Format EVENT PIN FUNCTIONALITY Event Thresholds Alarm Window Trip Critical Trip Interrupt Mode Comparator Mode SERIAL INTERFACE Serial Bus Address SMBUS/I2C COMMUNICATIONS Writing Data to a Register Reading Data From the ADT7408 Writing to the Pointer Register for a Subsequent Read Reading from Any Pointer Register APPLICATIONS INFORMATION THERMAL RESPONSE TIME SELF-HEATING EFFECTS SUPPLY DECOUPLING TEMPERATURE MONITORING OUTLINE DIMENSIONS ORDERING GUIDE