Datasheet > MAX1618

MAX1618

更新时间： 2024-11-27 22:57:59

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
20页	429K
描述
Remote Temperature Sensor with SMBus Serial Interface

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MAX1618 数据手册

19-1495; Rev 1; 10/99

Remote Temperature Sensor

with SMBus Serial Interface

________________General Description

____________________________Features

The MAX1618 precise digital thermometer reports the

temperature of a remote sensor. The remote sensor is a

diode-connected transistor—typically a low-cost, easily

mounted 2N3904 NPN type—that replaces conventional

thermistors or thermocouples. Remote accuracy is 3ꢀ°

for multiple transistor manufacturers, with no calibration

needed. The MAX1618 can also measure the die temper-

ature of other I°s, such as microprocessors, that contain

an on-chip, diode-connected transistor.

ꢀ Single Channel: Measures Remote CPU

Temperature

ꢀ No Calibration Required

ꢀ SMBus 2-Wire Serial Interface

ꢀ Programmable Under/Overtemperature Alarms

ꢀ Overtemperature Output for Fan Control

(Thermostat Mode)

The 2-wire serial interface accepts standard System

Management Bus (SMBus™) Write Byte, Read Byte, Send

Byte, and Receive Byte commands to program the alarm

thresholds and to read temperature data. The data format

is 7 bits plus sign, with each bit corresponding to 1ꢀ°, in

two’s complement format. Measurements can be done

automatically and autonomously, with the 16Hz conversion

rate or programmed to operate in a single-shot mode.

ꢀ Supports SMBus Alert Response Accuracy

3°C (+60°C to +100°C)

5°C (-55°C to +120°C)

ꢀ 3µA (typ) Standby Supply Current

ꢀ 900µA (max) Supply Current in Autoconvert Mode

ꢀ +3V to +5.5V Supply Range

The thermostat mode configures the ALERT output as an

interrupt or as a temperature reset that remains active only

while the temperature is above the maximum temperature

limit or below the minimum temperature limit. The ALERT

output polarity in thermostat mode can be configured for

active high or active low. Fan control is implemented using

this ALERT output.

ꢀ Small 10-Pin µMAX Package

Ordering Information

PART

TEMP. RANGE

PIN-PACKAGE

The MAX1618 is available in a small (1.1mm high) 10-pin

µMAX package.

MAX1618MUB

-55ꢀ° to +125ꢀ°

10 µMAX

________________________Applications

Desktop and Notebook

°omputers

°entral Office

Telecom Equipment

Smart Battery Packs

LAN Servers

Test and Measurement

Multichip Modules

Industrial °ontrols

Typical Operating Circuit

___________________Pin Configuration

3V TO 5.5V

200Ω

0.1µF

TOP VIEW

STBY

10k EACH

MAX1618

ADD0

ADD1

GND

DXN

10 ALERT

DXP

DXN

CLOCK

DATA

SMBCLK

SMBDATA

MAX1618

SMBDATA

ALERT

SMBCLK

STBY

INTERRUPT

TO µC

2N3904

2200pF

DXP

ADD0 ADD1 GND

µMAX

SMBus is a trademark of Intel Corp.

†Patents Pending

________________________________________________________________ Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

12 3 4 5 6 7...20

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与MAX1618相关器件

型号	品牌	获取价格	描述	数据表
MAX16182	ADI	获取价格	Nano 功率微型监控器，带手动复位输入
MAX1618EVKIT	ETC	获取价格	622Mbps LAN WAN Laser Driver with Automatic Power Control and Safety Shutdown[MAX3766/MAX3
MAX1618MUB	MAXIM	获取价格	Remote Temperature Sensor with SMBus Serial Interface
MAX1618MUB+	MAXIM	获取价格	Serial Switch/Digital Sensor, 8 Bit(s), 5Cel, Square, Surface Mount, MICRO MAX PACKAGE-10
MAX1619	MAXIM	获取价格	Remote/Local Temperature Sensor with Dual- Alarm Outputs and SMBus Serial Interface
MAX1619	ADI	获取价格	远端/本地温度传感器，带有双路报警输出及SMBus串行接口
MAX16191	ADI	获取价格	Ultra-High, 0.35% Accuracy Supervisory Circuit
MAX16193	ADI	获取价格	精度为0.3%的双通道监控电路
MAX1619MEE	MAXIM	获取价格	Remote/Local Temperature Sensor with Dual- Alarm Outputs and SMBus Serial Interface
MAX1619MEE+	MAXIM	获取价格	Serial Switch/Digital Sensor, 8 Bit(s), 3Cel, Rectangular, 16 Pin, Surface Mount, 0.150 IN

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