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參數(shù)資料
| 型號： | G768D |
| 英文描述： | ± 3oC remote thermal sensor with one fan control and SMBus interface.|Thermal Sensor / Detector Series |
| 中文描述： | ± 3oC遠程溫度傳感器一個風(fēng)扇控制和SMBus接口。|熱傳感器/探測器系列 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大?。?/td> | 323K |
| 代理商： | G768D |
Ver: 1.4
May 23, 2003
TEL: 886-3-5788833
http://www.gmt.com.tw
3
G768D
Global Mixed-mode Technology Inc.
Absolute Maximum Ratings
V
CC
to GND……………….………….…….-0.3V to +6V
DXP1, DXP2 to GND……………0.3V to (V
CC
+ 0.3V)
DXN to GND……………………………...-0.3V to +0.8V
CLK, FG, 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)….……….………….……..….….2000V
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…-55°C to +125°C
Junction Temperature………………....+150°C
Storage temperature Range………-65°C to +165°C
Lead Temperature (soldering, 10sec)……….+260°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
(V
CC
= + 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
-
-
-
5
Bits
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
-
3
°C
V
CC
input, disables A/D conversion, rising edge
V
CC
, 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 V
CC
or
GND
-
200
-
μA
-
250 300
Average Operating Supply Current
Auto-convert mode, average
measured over 4sec. Logic
inputs forced to V
CC
or GND
From stop bit to conversion complete (all channels)
2.0 conv/sec
-
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
Fan speed = 0rpm
-
2
5
μA
A
MOSFET on resistance
-
0.2 0.25
Short-circuit current limit
-
0.5
-
Input logic low
VIL
-
-
0.7.
V
Input logic high
VIH
1.0
-
-
V
Clock frequency
CLK
-
32.768
-
KHz
FANVCC over-current trig
600
-
-
mA
FANVCC current limit
500
-
-
mA
FG input Positive-going threshold voltage
V
CC
=5V
-
1
-
V
FG input Negative-going threshold voltage
V
CC
=5V
-
0.7
-
V
FG input Hysteresis voltage
V
CC
=5V
-
0.3
-
V
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