Datasheet ADT7310 (Analog Devices) - 2

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ADT7310 Data Sheet TABLE OF CONTENTS
Features .. 1 Status Register ... 14 Applications ... 1 Configuration Register .. 15 General Description ... 1 Temperature Value Register .. 16 Functional Block Diagram .. 1 ID Register... 16 Revision History ... 2 TCRIT Setpoint Register ... 16 Specifications ... 3 THYST Setpoint Register ... 17 SPI Timing Specifications ... 4 THIGH Setpoint Register .. 17 Absolute Maximum Ratings .. 5 TLOW Setpoint Register ... 17 ESD Caution .. 5 Serial Interface .. 18 Pin Configuration and Function Descriptions ... 6 SPI Command Byte .. 18 Typical Performance Characteristics ... 7 Writing Data ... 19 Theory of Operation .. 9 Reading Data ... 20 Circuit Information .. 9 Interfacing to DSPs or Microcontrol ers ... 20 Converter Details.. 9 Serial Interface Reset .. 20 Temperature Measurement ... 9 INT and CT Outputs .. 21 One-Shot Mode .. 10 Undertemperature and Overtemperature Detection .. 21 1 SPS Mode .. 10 Applications Information .. 23 Continuous Read Mode ... 12 Thermal Response Time ... 23 Shutdown ... 12 Supply Decoupling ... 23 Fault Queue ... 12 Temperature Monitoring ... 23 Temperature Data Format ... 13 Outline Dimensions ... 24 Temperature Conversion Formulas ... 13 Ordering Guide .. 24 Registers ... 14
REVISION HISTORY 12/11—Rev. 0 to Rev. A
Changes to Table 7 .. 14 Changes to Features Section.. 1 Changes to Table 8 .. 15 Changes to Table 1 .. 3 Changes to Table 9 .. 16 Changes to Figure 6 and Figure 9 ... 7 Changes to Table 12, Table 13, and Table 14 ... 17 Changes to Figure 11 .. 8 Changes to Ordering Guide .. 24 Changes to One-Shot Mode Section and 1 SPS Mode Section .. 10
4/09—Revision 0: Initial Version
Changes to Shutdown Section and Figure 16 ... 12 Rev. A | Page 2 of 24 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications SPI Timing Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Circuit Information Converter Details Temperature Measurement One-Shot Mode 1 SPS Mode CT and INT Operation in One-Shot Mode Continuous Read Mode Shutdown Fault Queue Temperature Data Format Temperature Conversion Formulas 16-Bit Temperature Data Format 13-Bit Temperature Data Format 10-Bit Temperature Data Format 9-Bit Temperature Data Format Registers Status Register Configuration Register Temperature Value Register ID Register TCRIT Setpoint Register THYST Setpoint Register THIGH Setpoint Register TLOW Setpoint Register Serial Interface SPI Command Byte Writing Data Reading Data Interfacing to DSPs or Microcontrollers Serial Interface Reset INT and CT Outputs Undertemperature and Overtemperature Detection Comparator Mode Interrupt Mode Applications Information Thermal Response Time Supply Decoupling Temperature Monitoring Outline Dimensions Ordering Guide