Datasheet > G766

G766

更新时间： 2024-10-28 21:54:55

品牌	Logo	应用领域
其他 - ETC		传感器温度传感器
页数	文件大小	规格书
13页	250K
描述
Remote Temperature Sensor with SMBus Serial Interface

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中文翻译

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数据手册

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G766 数据手册

Global Mixed-mode Technology Inc.

G766

Remote Temperature Sensor with SMBus Serial

Interface

Features

General Description

ꢀSingle Channel: Measures Remote CPU Tem-

perature

The G766 is a precise digital thermometer that reports

the temperature of a remote sensor. The remote sen-

sor is a diode-connected transistor typically a low-cost,

easily mounted 2N3904 NPN type-that replace con-

ventional thermistors or thermocouples. Remote ac-

curacy is ±3°C for multiple transistor manufacturers,

with no calibration needed. The G766 can also meas-

ure the die temperature of other ICs, such as micro-

processors, that contain an on-chip, diode-connected

transistor.

ꢀNo Calibration Required

ꢀSMBus 2-Wire Serial Interface

ꢀProgrammable Under/Overtemperature Alarms

ꢀSupports SMBus Alert Response

ꢀAccuracy:

±3°C (+60°C to +100°C, remote)

ꢀ3µA (typ) Standby Supply Current

ꢀ300µA (max) Supply Current in Auto- Convert

Mode

The 2-wire serial interface accepts standard System

Management Bus (SMBus^TM) 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 cor-

responding to 1°C, in twos-complement format. Meas-

urements can be done automatically and autono-

mously, with the conversion rate programmed by the

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

The adjustable rate allows the user to control the sup-

ply-current drain.

ꢀ+3V to +5.5V Supply Range

ꢀSmall, 10-Pin MSOP Package

Applications

Desktop and Notebook

Computers

Central Office

Telecom Equipment

Test and Measurement

Multi-Chip Modules

Smart Battery Packs

LAN Servers

Industrial Controls

The G766 is available in a small, 10-pin MSOP sur-

face-mount package.

Ordering Information

PART*

TEMP. RANGE

PIN PACKAGE

G766

-55°C to +125°C

10-MSOP

Pin Configuration

G766

Typical Operating Circuit

3V TO 5.5V

0.1 µF

200

ADD0

ADD1

GND

DXN

ALERT

SMBDATA

SMBCLK

STBY

Vcc

10k EACH

DXP

SMBCLK

CLOCK

SMBDATA

DATA

INTERRUPT

ALERT

DXN

µC

2200pF

2N3904

DXP

Vcc

ADD0 ADD1 GND

10 Pin MSOP

Ver 1.0

Dec 11, 2001

TEL: 886-3-5788833

http://www.gmt.com.tw

12 3 4 5 6 7...13

中文翻译

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