參數(shù)資料
型號(hào): ADT7476AARQZ-R
廠商: ON Semiconductor
文件頁數(shù): 3/66頁
文件大?。?/td> 945K
描述: IC REMOTE THERMAL CTLR 24QSOP
產(chǎn)品變化通告: MFG CHG Notification ADI to ON Semi
QSOP 24ld Pkg (MSL) Change 17/Jun/2010
標(biāo)準(zhǔn)包裝: 2,500
系列: dBCool®
功能: 風(fēng)扇控制,溫度監(jiān)控器
傳感器類型: 內(nèi)部和外部
感應(yīng)溫度: -40°C ~ 125°C
精確度: ±2.5%
拓?fù)洌?/td> ADC,比較器,風(fēng)扇速度計(jì)數(shù)器,多路復(fù)用器,寄存器庫
輸出類型: SMBus?
輸出警報(bào):
輸出風(fēng)扇:
電源電壓: 3 V ~ 3.6 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 24-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 24-QSOP
包裝: 帶卷 (TR)
其它名稱: ADT7476AARQZ-R-ND
ADT7476AARQZ-ROSTR
ADT7476A
http://onsemi.com
3
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Unit
Positive Supply Voltage (V
CC
)
3.6
V
Maximum Voltage on +12V
IN
 Pin
16
V
Maximum Voltage on +5.0V
IN
 Pin
6.25
V
Maximum Voltage on SDA, SCL, THERM
 (Pin 22) and GPIO15 Pins
3.6
V
Maximum Voltage on all Tach and PWM Pins
+5.5
V
Voltage on Remaining Input or Output Pins
0.3 to +4.2
V
Input Current at Any Pin
?
mA
Package Input Current
?0
mA
Maximum Junction Temperature (T
J
 
MAX
)
150
Storage Temperature Range
65 to +150
Lead Temperature, Soldering
IR Reflow Peak Temperature
Pb-Free Peak Temperature
Lead Temperature (Soldering, 10 sec)
220
260
300
ESD Rating
1,500
V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
NOTE:   This device is ESD sensitive. Use standard ESD precautions when handling.
Table 2. THERMAL CHARACTERISTICS (Note 1)
Package Type
q
JA
q
JC
Unit
24-lead QSOP
122
31.25
癈/W
1.
JA
 is specified for the worst-case conditions, that is, a device soldered in a circuit board for surface-mount packages.
Table 3. ELECTRICAL CHARACTERISTICS  
(T
A
= T
MIN
 to T
MAX
, V
CC
= V
MIN
 to V
MAX
, unless otherwise noted) (Note 1)
Parameter
Conditions
Min
Typ
Max
Unit
Power Supply
Supply Voltage
3.0
3.3
3.6
V
Supply Current, I
CC
Interface Inactive, ADC Active
1.5
3.0
mA
Temperature-to-Digital Converter
Local Sensor Accuracy
Resolution
0癈 ?T
A
?85癈
40癈 ?T
A
?125癈



?.5

0.25
?.5
?.5

Remote Diode Sensor Accuracy
Resolution
0癈 ?T
A
 ?85癈
40癈 ?T
A
?125癈



?.5

0.25
?.5
?.5

Remote Sensor Source Current
Low Level
High Level


11
180


mA
Analog-to-Digital Converter (Including MUX and Attentuators)
Total Unadjusted Error (TUE)
For 12 V Channel
For All Other Channels




?
?.5
%
Differential Non-Linearity (DNL)
8 Bits


?
LSB
Power Supply Sensitivity

?.1

%/V
Conversion Time
Voltage Input
Local Temperature
Remote Temperature
Averaging Enabled




11
12
38




ms
Total Monitoring Cycle Time
Averaging Enabled
Averaging Disabled


145
19


ms
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