link to page 1 link to page 1 link to page 1 link to page 1 link to page 1 link to page 2 link to page 3 link to page 4 link to page 5 link to page 5 link to page 6 link to page 7 link to page 9 link to page 9 link to page 9 link to page 10 link to page 12 link to page 12 link to page 14 link to page 14 link to page 15 link to page 15 ADT7302TABLE OF CONTENTS Features .. 1 Typical Performance Characteristics ..7 Applications ... 1 Theory of Operation ...9 Functional Block Diagram .. 1 Converter Details ..9 General Description ... 1 Temperature Value Register ...9 Product Highlights ... 1 Serial Interface .. 10 Revision History ... 2 Applications Information .. 12 Specifications ... 3 Microprocessor Interfacing ... 12 Timing Characteristics .. 4 Mounting the ADT7302 .. 14 Absolute Maximum Ratings .. 5 Supply Decoupling ... 14 ESD Caution .. 5 Outline Dimensions ... 15 Pin Configurations and Function Descriptions ... 6 Ordering Guide .. 15 REVISION HISTORY 6/11—Rev. A to Rev. B Changed Temperature Conversion Time from 800 µs to 1.2 ms . 3 Changed Temperature Conversion Time in Converter Details Section .. 9 3/10—Rev. 0 to Rev. A Change to Autoconversion Update Rate Parameter, Table 1 .. 3 Changes to Converter Details Section ... 9 Updated Outline Dimensions ... 15 10/05—Revision 0: Initial Version Rev. B | Page 2 of 16 Document Outline Features Applications Functional Block Diagram General Description Product Highlights Revision History Specifications Timing Characteristics Absolute Maximum Ratings ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Theory of Operation Converter Details Temperature Value Register Temperature Conversion Equations Serial Interface Read Operation Write Operation Applications Information Microprocessor Interfacing ADT7302 to MC68HC11 Interface ADT7302 to 8051 Interface ADT7302 to PIC16C6x/7x and PIC16F873 Interface ADT7302 to ADSP-21xx Interface Mounting the ADT7302 Supply Decoupling Outline Dimensions Ordering Guide