Datasheet > MAX6648YMUA+T

MAX6648YMUA+T

更新时间： 2024-09-17 09:09:15

品牌	Logo	应用领域
美信 - MAXIM		信息通信管理
页数	文件大小	规格书
16页	194K
描述
Serial Switch/Digital Sensor, 10 Bit(s), 0.80Cel, BICMOS, Rectangular, 8 Pin, Surface Mount, MICRO MAX-8

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MAX6648YMUA+T 数据手册

19-2545; Rev 4; 6/±8

Precision SMBus-Compatible Remote/Local

Temperature Sensors with Overtemperature Alarms

48/MAX692

General Description

Features

o Dual Channel Measures Remote and Local

The MAX6648/MAX6692 are precise, two-channel digi-

tal temperature sensors. They accurately measure the

temperature of their own die and a remote PN junction,

and report the temperature in digital form using a 2-wire

serial interface. The remote PN junction is typically the

emitter-base junction of a common-collector PNP on a

CPU, FPGA, or ASIC.

Temperature

o +0.125°C Resolution

o High Accuracy 0.8°C ꢀmaxꢁ from +25°C to +125°C

ꢀRemoteꢁ, and 2°C ꢀmaxꢁ from +60°C to +100°C

ꢀLocalꢁ

o Two Alarm Outputs: ALERT and OVERT

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 MAX6648/MAX6692

include an SMBus timeout. A fault queue prevents the

ALERT and OVERT outputs from setting until a fault has

been detected one, two, or three consecutive times

(programmable).

o Two Default OVERT Thresholds Available

MAX6648: +110°C

MAX6692: +85°C

o Programmable Conversion Rate

o SMBus-Compatible Interface

o SMBus Timeout

o Programmable Under/Overtemperature Alarm

Thresholds

The MAX6648/MAX6692 provide two system alarms:

ALERT and OVERT. ALERT asserts when any of four tem-

perature conditions are violated: local overtemperature,

remote overtemperature, local undertemperature, or

remote undertemperature. OVERT asserts when the tem-

perature rises above the value in either of the two OVERT

limit registers. The OVERT output can be used to activate

a cooling fan, or to trigger a system shutdown.

o Compatible with 90nm, 65nm, and 45nm Process

Technology

Ordering Information

PIN-

PACKAGE

MEASURED

TEMP RANGE

PART

MAX6648MUA

MAX6648YMUA

MAX6692MUA

MAX6692MSA

MAX6692YMUA

MAX6692YMSA

8 µMAX

8 SO

±ꢀC to +125ꢀC

Measurements can be done autonomously, with the

conversion rate programmed by the user, or in a single-

shot mode. The adjustable conversion rate allows the

user to optimize supply current and temperature

update rate to match system needs.

8 µMAX

8 SO

Remote accuracy is ±±.8ꢀC maꢁimum error between

+25ꢀC and +125ꢀC with no calibration needed. The

MAX6648/MAX6692 operate from -55ꢀC to +125ꢀC, and

measure temperatures between ±ꢀC and +125ꢀC. The

MAX6648 is available in an 8-pin µMAX^®package, and the

MAX6692 is available in 8-pin µMAX and SO packages.

Note: All devices operate over the -55ꢀC to +125ꢀC temperature

range.

Typical Operating Circuit

Applications

3.3V

0.1μF

200Ω

Desktop Computers

Notebook Computers

Servers

10kΩ EACH

DXP

DATA

SDA

Thin Clients

MAX6648

CLOCK

SCLK

Workstations

MAX6692

ALERT

INTERRUPTED TO μP

DXN

Test and Measurement

Multichip Modules

2200pF

OVERT

TO FAN DRIVER OR

SYSTEM SHUTDOWN

GND

μP

SMBus is a trademark of Intel Corp.

Pin Configuration and Functional Diagram appear at end of

data sheet.

µMAX is a registered trademark of Maꢁim Integrated Products, Inc.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim's website at www.maxim-ic.com.

12 3 4 5 6 7...16

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与MAX6648YMUA+T相关器件

型号	品牌	获取价格	描述	数据表
MAX6649	MAXIM	获取价格	+145∑C Precision SMBus-Compatible Remote/ Loc
MAX6649	ADI	获取价格	+145°C、高精度、SMBus兼容、远端/本地传感器，带有过温报警
MAX6649MUA	MAXIM	获取价格	+145∑C Precision SMBus-Compatible Remote/ Loc
MAX6649MUA/V+	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO8, ROHS COMPLIANT, UMAX-8
MAX6649MUA/V+T	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO8, ROHS COMPLIANT, UMAX-8
MAX6649MUA+	MAXIM	获取价格	145Â°C Precision SMBus-Compatible Remote/ Loc
MAX6649MUA+T	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, ROHS COMPLIANT, MO-187C-AA, MICRO MAX PACKAGE-8
MAX6649MUA-G002	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, MO-187C-AA, MICRO MAX PACKAGE-8
MAX6649MUA-T	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO8, 3 X 3 MM, MO-187CAA, MICRO, SOP-8
MAX6649MUA-TG002	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, MO-187C-AA, MICRO MAX PACKAGE-8

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