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參數(shù)資料
| 型號： | G767 |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | ± 3oC Local / remote temperature sensor with SMBus interface.|Thermal Sensor / Detector Series |
| 中文描述： | ± 3oC本地/ SMBus接口與遠(yuǎn)程溫度傳感器。|熱傳感器/探測器系列 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 323K |
| 代理商： | G767 |
Ver: 2.4
May 23, 2003
TEL: 886-3-5788833
http://www.gmt.com.tw
1
G767
Global Mixed-mode Technology Inc.
Remote/Local Temperature Sensor with SMBus
Serial Interface
Features
Two Channels: Measures Both Remote and
Local Temperatures
No Calibration Required
SMBus 2-Wire Serial Interface
Programmable Under/Overtemperature Alarms
Supports SMBus Alert Response
Accuracy:
±2°C (+60°C to + 100°C, local)
±3°C (-40°C to +125°C, local)
±3°C (+60°C to +100°C, remote)
3μA (typ) Standby Supply Current
70μA (max) Supply Current in Auto- Convert
Mode
+3V to +5.5V Supply Range
Small, 16-Pin SSOP Package
Applications
Desktop and Notebook
Computers
Smart Battery Packs
LAN Servers
Industrial Controls
Central Office
Telecom Equipment
Test and Measurement
Multi-Chip Modules
General Description
The G767 is a precise digital thermometer that reports
the temperature of both a remote sensor and its own
package. The remote sensor is a diode-connected
transistor typically a low-cost, easily mounted 2N3904
NPN type-that replace conventional thermistors or
thermocouples. Remote accuracy is ±3°C for multiple
transistor manufacturers, with no calibration needed.
The remote channel can also measure the die tem-
perature of other ICs, such as microprocessors, that
contain an on-chip, diode-connected transistor.
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 two’s-complement format.
Measurements can be done automatically and
autonomously, 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 supply-current drain.
The G767 is available in a small, 16-pin SSOP sur-
face-mount package.
Ordering Information
ORDER NUMBER TEMP. RANGE
G767
PACKAGE
SSOP-16L
-55°C to +125°C
Pin Configuration
Typical Operating Circuit
0.1 μF
200
Ω
3V TO 5.5V
Vcc
STBY
DXP
DXN
SMBCLK
SMBDATA
ALERT
10k EACH
CLOCK
DATA
TO μC
ADD0ADD1 GND
2200pF
2N3904
SMBDATA
1
2
3
4
5
6
7
8
N.C.
Vcc
DXP
DXN
N.C.
ADD1
GND
GND
16
15
14
13
12
11
10
9
N.C
STBY
SMBCLK
N.C.
ALERT
ADD0
N.C.
SSOP-16L
G767
INTERRUPT
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| G767F | 制造商:GMT 制造商全稱:Global Mixed-mode Technology Inc 功能描述:Remote/Local Temperature Sensor with SMBus Serial Interface |
| G768 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Remote/Local Temperature Sensor, 2 Fan Controllers with SMBus Serial Interface and System Reset Circuit |
| G768193-3 | 制造商:Glenair Inc 功能描述: |
| G768194-5 | 制造商:Glenair Inc 功能描述: |
| G768194-6 | 制造商:Glenair Inc 功能描述: |
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