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參數(shù)資料
| 型號(hào)： | G768 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | Remote/Local Temperature Sensor, 2 Fan Controllers with SMBus Serial Interface and System Reset Circuit |
| 中文描述： | 遠(yuǎn)程/本地溫度傳感器，2個(gè)風(fēng)扇，帶有SMBus串行接口和系統(tǒng)復(fù)位電路控制器 |
| 文件頁數(shù)： | 3/15頁 |
| 文件大?。?/td> | 370K |
| 代理商： | G768 |
Ver 1.3
Oct 28, 2002
TEL: 886-3-5788833
http://www.gmt.com.tw
3
G768B
Global Mixed-mode Technology Inc.
Absolute Maximum Ratings
Vcc to GND……………….………….…….-0.3V to +6V
DXP1, DXP2 to GND……………0.3V to (Vcc + 0.3V)
DXN to GND…………………………...-0.3V to +0.8V
SMBCLK, SMBDATA,
ALERT
to GND.-0.3V to +6V
SMBDATA,
ALERT
Current…………-1mA to +50mA
DXN Current……………………………..…………±1mA
ESD Protection (SMBCLK, SMBDATA,
ALERT
, hu-
man body model)….…………………………….4000V
ESD Protection (other pins, human body
model).2000V
Continuous Power Dissipation (T
A
= +70°C) SSOP
(de-rate 8.30mW/°C above +70°C)…….………667mW
Operating Temperature Range………-10°C to +85°C
Junction Temperature…………………....+150°C
Storage temperature Range…………..-65°C to +165°C
Lead Temperature (soldering,10sec)………….+300°C
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are
stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the opera-
tional sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may
affect device reliability.
Electrical Characteristics
(Vcc = + 5V, T
A
= 60°C, unless otherwise noted.)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Temperature Sensor
Temperature Resolution(Note 1)
Monotonicity guaranteed
T
R
= 0°C to +125°C
T
R
= 60°C to +100°C
8
-5
Bits
5
Temperature Error, Remote Diode (Notes 2
and 3)
-3
3
°C
Temperature Error, Local Diode
(Notes 1 and 2)
Supply-Voltage Range
Under-voltage Lockout Threshold
Under-voltage Lockout Hysteresis
Power-On Reset Threshold
POR Threshold Hysteresis
Including long-term drift
T
A
= +60°C to +100°C
-3.5
3.5
°C
Vcc input, disables A/D conversion, rising edge
Vcc , falling edge
4.5
2.6
1.0
5
5.5
V
V
mV
V
mV
2.8 2.95
50
1.7
50
3
2.5
10
SMBus static
Hardware or software
standby, SMBCLK at 10kHz
0.25 conv/sec
Standby Supply Current
Logic inputs forced to Vcc or
GND
200
μA
250 300
Average Operating Supply Current
Auto-convert mode, average
measured over 4sec. Logic
inputs forced to Vcc or GND 2.0 conv/sec
From stop bit to conversion complete(all channels)
300 350
μA
Conversion Time
94
125 156
ms
Conversion Rate Timing Error
Auto-convert mode
-25
25
%
High level
120 160 200
Remote-Diode Source Current
DXP forced to 1.5V
Low level
15
20
25
μA
Fan Controller
Supply voltage
V
CC
4.5
5
5.5
V
Shutdown current
Both fans’ speed = 0rpm
2
5
μA
A
MOSFET on resistance
Each channel
0.2 0.25
Short-circuit current limit
Each channel
0.5
Input logic low
VIL
0.8
V
Input logic high
VIH
2.4
V
Average Output current
Each channel
350
mA
FG input Positive-going threshold voltage
V
CC
=5V
1.8
V
FG input Negative-going threshold voltage
V
CC
=5V
0.7
V
FG input Hysteresis voltage
V
CC
=5V
1.1
V
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