Datasheet > MAX6642_V01

MAX6642_V01

更新时间： 2024-11-06 02:52:23

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
14页	174K
描述
Â±1Â°C, SMBus-Compatible Remote/Local Temperature Sensor with Overtemperature Alarm

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中文翻译

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数据手册

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MAX6642_V01 数据手册

EVALUATION KIT AVAILABLE

±±1°C, MꢀBus°ꢁompatibl,ꢂloꢁale

Lꢁcpb,TlomlrpaBrl, lnuꢁr,wtah

OvlralomlrpaBrl,Abpro

MAX6642

Glnlrpb,Dlucrtmatꢁn

ꢀlnlftau,pnd,FlpaBrlu

The MAX6642 precise, two-channel digital temperature

sensor accurately measures the temperature of its own

die and a remote PN junction and reports the tempera-

ture data over a 2-wire serial interface. The remote PN

junction is typically a substrate PNP transistor on the

die of a CPU, ASIC, GPU, or FPGA. The remote PN

junction can also be a discrete diode-connected small-

signal transistor.

• Integrated Temperature Sensor Enables Simultaneous

Dual Temperature (Remote and Local) Measurements

• Remote Accuracy ±±1°

• Local Accuracy ±ꢀ1° ꢁrom ꢂ+61° to ꢂ±661°

• Measures Remote Temperature up to ꢂ±561°

• 6.ꢀ51° Resolution

• Dual Zone Monitoring Automates Over-Temperature

Alarms

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.

• Programmable Remote/Local Temperature

Thresholds

• ALERT Output

• Small Footprint

• 3mm x 3mm TDFN Package with Exposed Pad

• Low Thermal Mass Reduces Measurement Latency

ꢀ

• SMBus/I ° Address Hardwired

Ordlrtng,Infꢁropatꢁn

PART

TEMP RANGE

-40°C to +125°C

PIN-PACKAGE

6 TDFN-EP*

Measurements can be done autonomously or in a sin-

gle-shot mode.

MAX6642ATT90-T

MAX6642ATT92-T

MAX6642ATT94-T

MAX6642ATT96-T

MAX6642ATT98-T

MAX6642ATT9A-T

MAX6642ATT9C-T

MAX6642ATT9E-T

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 with an eꢀposed pad.

Ammbtcpatꢁnu

Desktop Computers

Notebook Computers

Servers

T = Tape and reel.

*EP = Eꢀposed pad.

Thin Clients

Test and Measurement

Workstations

Pin Configuration and Functional Diagram appear at end of

data sheet.

Tymtcpb,Omlrpatng,°trcBta

Graphic Cards

3.3V

lblcaꢁr,GBtdl

0.1µF

47Ω

TOP

MARK

PART

MEASURED TEMP RANGE

10kΩ EACH

MAX6642ATT90-T

MAX6642ATT92-T

MAX6642ATT94-T

MAX6642ATT96-T

MAX6642ATT98-T

MAX6642ATT9A-T

MAX6642ATT9C-T

MAX6642ATT9E-T

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

SMBus is a trademark of Intel Corp.

19-2920; Rev 5; 11/15

12 3 4 5 6 7...14

中文翻译

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与MAX6642_V01相关器件

型号	品牌	获取价格	描述	数据表
MAX6642ATT90	MAXIM	获取价格	SMBus-Compatible Remote/Local Temperature Sensor with Overtemperature Alarm
MAX6642ATT90+	MAXIM	获取价格	Serial Switch/Digital Sensor, 10 Bit(s), 1Cel, BICMOS, Square, 6 Pin, Surface Mount, 3 X 3
MAX6642ATT90+T	MAXIM	获取价格	Serial Switch/Digital Sensor, 10 Bit(s), 1Cel, BICMOS, Square, 6 Pin, Surface Mount, 3 X 3
MAX6642ATT90-T	MAXIM	获取价格	【1∑C, SMBus-Compatible Remote/Local Temperatu
MAX6642ATT92	MAXIM	获取价格	SMBus-Compatible Remote/Local Temperature Sensor with Overtemperature Alarm
MAX6642ATT92+	MAXIM	获取价格	Serial Switch/Digital Sensor, 10 Bit(s), 1Cel, BICMOS, Square, 6 Pin, Surface Mount, 3 X 3
MAX6642ATT92+T	MAXIM	获取价格	Serial Switch/Digital Sensor, 10 Bit(s), 1Cel, BICMOS, Square, 6 Pin, Surface Mount, 3 X 3
MAX6642ATT92-T	MAXIM	获取价格	【1∑C, SMBus-Compatible Remote/Local Temperatu
MAX6642ATT94	MAXIM	获取价格	SMBus-Compatible Remote/Local Temperature Sensor with Overtemperature Alarm
MAX6642ATT94+T	MAXIM	获取价格	Serial Switch/Digital Sensor, 10 Bit(s), 1Cel, BICMOS, Square, 6 Pin, Surface Mount, 3 X 3

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