AD7414ART-1500RL7 データシートの表示（PDF） - Analog Devices

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AD7414ART-1500RL7

±0.5°C Accurate, 10-Bit Digital Temperature Sensors in SOT-23

Analog Devices 

AD7414/AD7415

TABLE OF CONTENTS

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

REVISION HISTORY

4/05—Rev. D to Rev. E

Updated Format.................................................................. Universal

Changes to Absolute Maximum Ratings........................................6

Changes to Figure 6...........................................................................7

Changes to Ordering Guide...........................................................17

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

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

11/02—REV. A to REV. B.

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

7/01—Revision 0: Initial Version

Rev. E | Page 2 of 20

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