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| 型號： | ADT7482ARMZ-U2 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 11BIT(s), 2.5Cel, SQUARE, SURFACE MOUNT |
| 封裝： | LEAD FREE, MO-187-BA, MSOP-10 |
| 文件頁數(shù)： | 12/24頁 |
| 文件大?。?/td> | 335K |
| 代理商： | ADT7482ARMZ-U2 |
ADT7482
Rev. 1 | Page 2 of 24 | www.onsemi.com
TABLE OF CONTENTS
Features...............................................................................................1
Applications .......................................................................................1
General Description..........................................................................1
Functional Block Diagram...............................................................1
Revision History................................................................................2
Specifications .....................................................................................2
Timing Specifications ...................................................................4
Absolute Maximum Ratings ............................................................5
Thermal Resistance.......................................................................5
ESD Caution ..................................................................................5
Pin Configuration and Function Descriptions .............................6
Typical Performance Characteristics..............................................7
Theory of Operation.........................................................................9
Series Resistance Cancellation ....................................................9
Temperature Measurement Method...........................................9
Temperature Measurement Results ..........................................10
Temperature Measurement Range............................................10
Temperature Data Format..........................................................11
Registers............................................................................................12
Address Pointer Register............................................................12
Configuration Registers .............................................................12
Temperature Value Registers.....................................................12
Conversion Rate Register...........................................................13
Limit Registers.............................................................................13
Status Registers............................................................................14
Offset Register .............................................................................14
One-Shot Register.......................................................................15
Consecutive ALERT Register....................................................15
Serial Bus Interface .........................................................................17
Addressing the Device................................................................17
ALERT Output ............................................................................19
Low Power Standby Mode .........................................................19
Sensor Fault Detection ...............................................................19
Interrupt System..........................................................................19
Applications Information...............................................................22
Noise Filtering .............................................................................22
Factors Affecting Diode Accuracy ...........................................22
Thermal Inertia and Self-Heating ............................................22
Layout Considerations ...............................................................23
Application Circuit .....................................................................23
Outline Dimensions........................................................................24
Ordering Guide ...........................................................................24
REVISION HISTORY
02/08—Rev 1: Conversion to ON Semiconductor
06/06—Revision 0: Initial Version
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