参数资料
型号: ADT7490ARQZ
厂商: ON Semiconductor
文件页数: 3/75页
文件大小: 0K
描述: IC MON/FAN CTRLR REMOTE 24-QSOP
产品变化通告: MFG CHG Notification ADI to ON Semi
QSOP 24ld Pkg (MSL) Change 17/Jun/2010
Product Discontinuation 30/Sept/2011
标准包装: 56
系列: dBCool®
功能: 风扇控制,温度监控器
传感器类型: 内部和外部
感应温度: -40°C ~ 125°C
精确度: ±1.5°C(最小值)
拓扑: ADC,比较器,风扇速度计数器,多路复用器,寄存器库
输出类型: SMBus?
输出警报:
输出风扇:
电源电压: 3 V ~ 3.6 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 24-SSOP(0.154",3.90mm 宽)
供应商设备封装: 24-QSOP
包装: 管件
ADT7490
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter
Positive Supply Voltage (V CC )
Maximum Voltage on +12 V IN Pin
Maximum Voltage on +5 V IN Pin
Maximum Voltage on All Open-drain Outputs (excluding PWM pins)
Maximum Voltage on TACHx/PWMx Pins
Voltage on Remaining Input or Output Pins
Input Current at Any Pin
Package Input Current
Maximum Junction Temperature (T J MAX )
Storage Temperature Range
Lead Temperature, Soldering
IR Reflow Peak Temperature
Pb-Free Peak Temperature
Lead Temperature (Soldering, 10 sec)
ESD Rating
HBM
FICDM
Rating
3.6
16
6.25
3.6
+5.5
? 0.3 to +4.2
? 5
? 20
150
? 65 to +150
220
260
300
2
0.5
Unit
V
V
V
V
V
V
mA
mA
? C
? C
? C
kV
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)
24-lead QSOP
Package Type
q JA
122
q JC
31.25
Unit
? C/W
1. q 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
5.0
mA
Temperature-to-Digital Converter
Local Sensor Accuracy
Resolution
Remote Diode Sensor Accuracy
Remote Sensor Source Current
Series Resistance Cancellation
(Note 2)
0 ? C ? T A ? 85 ? C
? 40 ? C ? T A ? +125 ? C
0 ? C ? T A ? 85 ? C
? 40 ? C ? T A ? +125 ? C
Mid Level
Low Level
High Level
The ADT7490 Cancels Up to 2 k W in
Series with the Remote Thermal Sensor
?
?
?
?
?
?
?
?
?
?
? 0.5
?
0.25
? 0.5
?
0.25
12
72
192
?
? 1.5
? 2.5
?
? 1.5
? 2.5
?
?
?
?
1.5
? C
? C
m A
k W
http://onsemi.com
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