ꢂ74ꢀ4/ ꢂ74ꢀ.C
T -LECOFC°ONTENTS
Specifications .....................................................................................3
Absolute Maximum Ratings ............................................................5
ESD Caution ..................................................................................5
Pin Configurations and Function Descriptions............................6
Theory of Operation.........................................................................7
Circuit Information ......................................................................7
Functional Description.................................................................7
Measurement Technique..............................................................7
Temperature Data Format............................................................8
Internal Register Structure...............................................................9
Address Pointer Register..............................................................9
Configuration Register (Address 0X01) .....................................9
Temperature Value Register (Address 0X00)...........................10
AD7414 THIGH Register (Address 0X02) ...................................10
AD7414 TLOW Register (Address 0X03)....................................10
Serial Interface.................................................................................12
Serial Bus Address.......................................................................12
Write Mode ..................................................................................12
Read Mode...................................................................................12
SMBUS ALERT ............................................................................13
Power-On Defaults .....................................................................13
Operating Modes ........................................................................13
Power vs. Throughput ................................................................14
Mounting the AD7414/AD7415 ...............................................14
Supply Decoupling......................................................................14
Temperature Accuracy vs. Supply.............................................15
Typical Temperature Error Graph ............................................15
Outline Dimensions........................................................................16
Ordering Guide ...........................................................................17
REVISION HISTORY
4/05—Rev. D to Rev. E
11/02—REV. A to REV. B.
Updated Format.................................................................. Universal
Changes to Absolute Maximum Ratings........................................6
Changes to Figure 6...........................................................................7
Changes to Ordering Guide...........................................................17
Changes to ABSOLUTE MAXIMUM RATINGS.........................3
10/02—REV. 0 to REV. A.
Changes to SPECIFICATIONS .......................................................2
Changes to PIN FUNCTION DESCRIPTIONS...........................3
Changes to ABSOLUTE MAXIMUM RATINGS.........................3
ORDERING GUIDE updated .........................................................4
Change to Figure 2............................................................................5
Added to TYPICAL TEMPERATURE
ERROR GRAPH section ................................................................11
Added Figure 15..............................................................................11
OUTLINE DIMENSIONS updated..............................................12
9/04—REV. C to REV. D.
Changes to ABSOLUTE MAXIMUM RATINGS.........................3
Updated ORDERING GUIDE.........................................................4
8/03—REV. B to REV. C.
Change to Temperature Range ......................................... Universal
Updated FEATURES.........................................................................1
Updated SPECIFICATIONS............................................................2
Updated ABSOLUTE MAXIMUM RATINGS .............................3
Updated ORDERING GUIDE.........................................................4
Updated CIRCUIT INFORMATION ............................................5
Updated TEMPERATURE DATA FORMAT................................6
Updated TEMPERATURE VALUE REGISTER ...........................8
Updated Figure 14...........................................................................11
Updated OUTLINE DIMENSIONS .............................................12
7/01—Revision 0: Initial Version
Rev. E | Page 2 of 20
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