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MAX6642ATT98-T

更新时间： 2024-11-09 03:29:15
品牌 Logo 应用领域
美信 - MAXIM 传感器温度传感器
页数 文件大小 规格书
13页 218K
描述
【1∑C, SMBus-Compatible Remote/Local Temperature Sensor with vertemperature Alarm

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中文翻译

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MAX6642ATT98-T 数据手册

 浏览型号MAX6642ATT98-T的Datasheet PDF文件第2页浏览型号MAX6642ATT98-T的Datasheet PDF文件第3页浏览型号MAX6642ATT98-T的Datasheet PDF文件第4页浏览型号MAX6642ATT98-T的Datasheet PDF文件第5页浏览型号MAX6642ATT98-T的Datasheet PDF文件第6页浏览型号MAX6642ATT98-T的Datasheet PDF文件第7页 
19-2920; Rev 0; 8/03  
±±1°C ꢀMꢁusꢂ°oꢃpatiꢄle ꢅeꢃoteꢆ/ocal  
Teꢃperature ꢀensor with Overteꢃperature Alarꢃ  
General Description  
Features  
The MAX6642 is a precise, two-channel digital temper-  
ature sensor. It accurately measures the temperature of  
its own die and a remote PN junction, and reports the  
temperature data over a 2-wire serial interface. The  
remote PN junction is typically a substrate PNP transis-  
tor on the die of a CPU, ASIC, GPU, or FPGA. The  
remote PN junction can also be a discrete diode-con-  
nected small-signal transistor.  
o Dual Channel: Measures Remote and Local  
Temperature  
o +0.25°C Resolution  
o High Accuracy ±±°C ꢀmaꢁx ꢀRemotex and  
2°C ꢀLocalx from +60°C to +±00°C  
o Measures Remote Temperature Up to +±50°C  
o Programmable Overtemperature Alarm  
The 2-wire serial interface accepts standard system  
management bus (SMBus™), Write Byte, Read Byte,  
Send Byte, and Receive Byte commands to read the  
temperature data and to program the alarm thresholds.  
To enhance system reliability, the MAX6642 includes an  
SMBus timeout. The temperature data format is 10 bit  
with the least significant bit (LSB) corresponding to  
+0.25°C. The ALERT output asserts when the local or  
remote overtemperature thresholds are violated. A fault  
queue may be used to prevent the ALERT output from  
setting until two consecutive faults have been detected.  
Temperature Thresholds  
o SMBus/I2CTM-Compatible Interface  
o Tiny TDFN Package  
Ordering Inforꢃation  
PART  
TEMP RANGE  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
PIN-PACKAGE  
6 TDFN  
MAX6642ATT90-T  
MAX6642ATT92-T  
MAX6642ATT94-T  
MAX6642ATT96-T  
MAX6642ATT98-T  
MAX6642ATT9A-T  
MAX6642ATT9C-T  
MAX6642ATT9E-T  
6 TDFN  
6 TDFN  
Measurements can be done autonomously or in a sin-  
gle-shot mode.  
6 TDFN  
6 TDFN  
Remote accuracy is 1°C maꢀimum error between  
+60°C and +100°C. The MAX6642 operates from -40°C  
to +125°C, and measures remote temperatures  
between 0°C and +150°C. The MAX6642 is available in  
a 6-pin TDFN package.  
6 TDFN  
6 TDFN  
6 TDFN  
SMBus is a trademark of Intel Corp.  
2
Purchase of I C components of Maxim Integrated Products, Inc.  
or one of its sublicensed Associated Companies, conveys a  
license under the Philips I C Patent Rights to use these compo-  
nents in an I C system, provided that the system conforms to the  
I C Standard Specification as defined by Philips.  
Applications  
Desktop Computers  
Notebook Computers  
Servers  
2
2
2
Pin Configuration and Functional Diagram appear at end of  
data sheet.  
Thin Clients  
Test and Measurement  
Workstations  
Typical Operating °ircuit  
Graphic Cards  
3.3V  
ꢀelector Guide  
0.1µF  
47Ω  
TOP  
MARK  
PART  
MEASURED TEMP RANGE  
10kΩ EACH  
V
CC  
MAX6642ATT90-T  
MAX6642ATT92-T  
MAX6642ATT94-T  
MAX6642ATT96-T  
MAX6642ATT98-T  
MAX6642ATT9A-T  
MAX6642ATT9C-T  
MAX6642ATT9E-T  
0°C to +150°C  
0°C to +150°C  
0°C to +150°C  
0°C to +150°C  
0°C to +150°C  
0°C to +150°C  
0°C to +150°C  
0°C to +150°C  
AFC  
AFD  
AFE  
AFF  
AEW  
AFG  
AFH  
AFI  
2200pF  
MAX6642  
SDA  
DATA  
DXP  
SCLK  
CLOCK  
ALERT  
INTERRUPT TO µP  
GND  
µP  
________________________________________________________________ Maxim Integrated Products  
±
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...13

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MAX6642ATT98-T 替代型号

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