Datasheet AD7414, AD7415 (Analog Devices) - 2

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AD7414/ AD7415 Data Sheet TABLE OF CONTENTS
Features .. 1  Temperature Value Register (Address 0X00) .. 10  Applications ... 1  AD7414 THIGH Register (Address 0x02) ... 10  General Description ... 1  AD7414 TLOW Register (Address 0X03) ... 10  Functional Block Diagram .. 1  Serial Interface .. 12  Product Highlights ... 1  Serial Bus Address .. 12  Revision History ... 2  Write Mode ... 12  Specifications ... 3  Read Mode .. 12  Absolute Maximum Ratings .. 5  SMBUS ALERT .. 13  ESD Caution .. 5  Power-On Defaults ... 13  Pin Configurations and Function Descriptions ... 6  Operating Modes .. 13  Theory of Operation .. 7  Power vs. Throughput.. 14  Circuit Information .. 7  Mounting the AD7414/AD7415 .. 14  Functional Description .. 7  Supply Decoupling ... 14  Measurement Technique ... 7  Temperature Accuracy vs. Supply .. 15  Temperature Data Format ... 8  Typical Temperature Error Graph .. 15  Internal Register Structure .. 9  Outline Dimensions ... 16  Address Pointer Register ... 9  Ordering Guide .. 18  Configuration Register (Address 0X01) .. 9 
REVISION HISTORY 9/2019—Rev. F to Rev. G
Updated Specifications ... 2 Changes to Mode 1 Section ... 14 Updated Absolute Maximum Ratings .. 3 Changes to Ordering Guide .. 18 Updated Ordering Guide ... 4 Updated Circuit Information ... 5
11/2010—Rev. E to Rev. F
Updated Temperature Data Format .. 6 Added Data Hold Time, t7 Parameter, Table 1 .. 4 Updated Temperature Value Register ... 8 Changes to Figure 2 .. 4 Updated Figure 14 .. 11 Updated to Outline Dimensions .. 16 Updated Outline Dimensions ... 12 Changes to Ordering Guide .. 18
11/2002—Rev. A to Rev. B 4/2005—Rev. D to Rev. E
Changes to Absolute Maximum Ratings .. 3 Updated Format .. Universal Changes to Absolute Maximum Ratings ... 6
10/2002—Rev. 0 to Rev. A
Changes to Figure 6 .. 7 Changes to Specifications ... 2 Changes to Ordering Guide .. 17 Changes to Pin Function Descriptions ... 3 Changes to Absolute Maximum Ratings .. 3
9/2004—Rev. C to Rev. D
Ordering Guide Updated ... 4 Changes to Absolute Maximum Ratings ... 3 Change to Figure 2 .. 5 Updated Ordering Guide ... 4 Added to Typical Temperature Error Graph section ... 11 Added Figure 15 ... 11
8/2003—Rev. B to Rev. C
Outline Dimensions updated .. 12 Change to Temperature Range ... Universal Updated Features .. 1
7/2001—Revision 0: Initial Version
Rev. G | Page 2 of 19 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS THEORY OF OPERATION CIRCUIT INFORMATION FUNCTIONAL DESCRIPTION MEASUREMENT TECHNIQUE TEMPERATURE DATA FORMAT INTERNAL REGISTER STRUCTURE ADDRESS POINTER REGISTER CONFIGURATION REGISTER (ADDRESS 0x01) TEMPERATURE VALUE REGISTER (ADDRESS 0x00) AD7414 THIGH REGISTER (ADDRESS 0X02) AD7414 TLOW REGISTER (ADDRESS 0x03) SERIAL INTERFACE SERIAL BUS ADDRESS WRITE MODE Writing to the Address Pointer Register for a Subsequent Read Writing a Single Byte of Data to the Configuration Register, THIGH Register, or TLOW Register READ MODE SMBUS ALERT POWER-ON DEFAULTS OPERATING MODES Mode 1 Mode 2 POWER VS. THROUGHPUT Mode 1 Mode 2 MOUNTING THE AD7414/AD7415 SUPPLY DECOUPLING TEMPERATURE ACCURACY VS. SUPPLY TYPICAL TEMPERATURE ERROR GRAPH OUTLINE DIMENSIONS ORDERING GUIDE