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| 型号： | ADT7481ARMZ |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/20页 |
| 文件大小： | 237K |
| 描述： | IC SENSOR TEMP 2CH ALARM 10MSOP |
| 产品变化通告： | MFG CHG Notification ADI to ON Semi |
| 标准包装： | 50 |
| 功能： | 温度监控系统（传感器） |
| 传感器类型： | 内部和外部 |
| 感应温度： | -40°C ~ 120°C，外部传感器 |
| 精确度： | ±2.5°C（最小值） |
| 拓扑： | ADC，比较器，多路复用器，寄存器库 |
| 输出类型： | SMBus? |
| 输出警报： | 是 |
| 输出风扇： | 是 |
| 电源电压： | 3 V ~ 3.6 V |
| 工作温度： | -40°C ~ 120°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-MSOP |
| 包装： | 管件 |
| 其它名称： | ADT7481ARMZ-ND ADT7481ARMZOS |
?Semiconductor Components Industries, LLC, 2013
May, 2013 Rev. 7
1
Publication Order Number:
ADT7481/D
ADT7481
Dual Channel Temperature
Sensor and Overtemperature
Alarm
The ADT7481 is a 3-channel digital thermometer and under/ over
temperature alarm, intended for use in PCs and thermal management
systems. It can measure its own ambient temperature or the
temperature of two remote thermal diodes. These thermal diodes can
be located in a CPU or GPU, or they can be discrete diode connected
transistors. The ambient temperature, or the temperature of the remote
thermal diode, can be accurately measured to ?癈. The temperature
measurement range defaults to 0癈 to +127癈, compatible with
ADM1032, but can be switched to a wider measurement range from
64癈 to +191癈.
The ADT7481 communicates over a 2-wire serial interface
compatible with System Management Bus (SMBus) standards. The
SMBus address of the ADT7481 is 0x4C. An ADT74811 with an
SMBus address of 0x4B is also available.
An ALERT
output signals when the on-chip or remote temperature
is outside the programmed limits. The THERM
output is a comparator
output that allows, for example, on/off control of a cooling fan. The
ALERT
output can be reconfigured as a second THERM
output if
required.
Features
" 1 Local and 2 Remote Temperature Sensors
" 0.25?/SPAN>C Resolution/1?/SPAN>C Accuracy on Remote Channels
" 1?/SPAN>C Resolution/1?/SPAN>C Accuracy on Local Channel
" Extended, Switchable Temperature Measurement Range
0癈 to 127癈 (Default) or 64癈 to +191癈
" 2-wire SMBus Serial Interface with SMBus ALERT
Support
" Programmable Over/Undertemperature Limits
" Offset Registers for System Calibration
" Up to 2 Overtemperature Fail-Safe THERM
Outputs
" Small 10-lead MSOP Package
" 240 mA Operating Current, 5 mA Standby Current
" These Devices are Pb-Free, Halogen Free and are RoHS Compliant
Applications
" Desktop and Notebook Computers
" Industrial Controllers
" Smart Batteries
" Automotive
" Embedded Systems
" Burn-In Applications
" Instrumentation
MARKING DIAGRAM
http://onsemi.com
See detailed ordering and shipping information in the package
dimensions section on page 19 of this data sheet.
ORDERING INFORMATION
MSOP10
CASE 846AC
PIN ASSIGNMENT
T0x
AYWG
G
1
10
T0x = Refer to Ordering Info Table
A
= Assembly Location
Y
= Year
W = Work Week
G
= Pb-Free Package
(Note: Microdot may be in either location)
ALERT
/THERM2
SCLK
SDATA
D2+
D2
V
DD
D1+
D1
THERM
GND
10
9
8
7
6
5
4
3
2
1
ADT7481
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADT7481ARMZ-001 | 功能描述:板上安装温度传感器 2 CH TEMP SNSR/ALARM 2 WIRE SMBUS INTRFCE RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| ADT7481ARMZ-1 | 功能描述:IC SENSOR TEMP 2CH ALARM 10MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 热管理 系列:- 标准包装:1 系列:- 功能:温度监控系统（传感器） 传感器类型:内部和外部 感应温度:-40°C ~ 125°C，外部传感器 精确度:±2.5°C 本地（最大值），±5°C 远程（最大值） 拓扑:ADC，比较器，寄存器库 输出类型:2 线 SMBus? 输出警报:无 输出风扇:无 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:SOT-23-8 供应商设备封装:SOT-23-8 包装:Digi-Reel® 其它名称:296-22675-6 |
| ADT7481ARMZ-1R7 | 功能描述:板上安装温度传感器 2 CH TEMP SNSR/ALARM 2 WIRE SMBUS INTRFCE RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| ADT7481ARMZ-1REEL | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| ADT7481ARMZ-1REEL7 | 制造商:AD 制造商全称:Analog Devices 功能描述:Dual Channel Temperature Sensor and Over Temperature Alarm |
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