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參數資料
| 型號： | ADT7481ARMZ-1R7 |
| 廠商： | ON Semiconductor |
| 文件頁數： | 1/20頁 |
| 文件大小： | 237K |
| 描述： | IC SENSOR TEMP 2CH ALARM 10MSOP |
| 產品變化通告： | MFG CHG Notification ADI to ON Semi Product Discontinuation 30/Sept/2011 |
| 標準包裝： | 1,000 |
| 功能： | 溫度監控系統（傳感器） |
| 傳感器類型： | 內部和外部 |
| 感應溫度： | -40°C ~ 120°C，外部傳感器 |
| 精確度： | ±2.5°C（最小值） |
| 拓撲： | ADC，比較器，多路復用器，寄存器庫 |
| 輸出類型： | SMBus? |
| 輸出警報： | 是 |
| 輸出風扇： | 是 |
| 電源電壓： | 3 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 120°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應商設備封裝： | 10-MSOP |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | ADT7481ARMZ-1REEL7 ADT7481ARMZ-1REEL7-ND |
?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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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 制造商全稱:Analog Devices 功能描述:Dual Channel Temperature Sensor and Over Temperature Alarm |
| ADT7481ARMZ-1RL | 功能描述:板上安裝溫度傳感器 2 CH TEMP SNSR/ALARM 2 WIRE SMBUS INTRFCE RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| ADT7481ARMZ-R7 | 功能描述:板上安裝溫度傳感器 2 CH TEMP SNSR/ALARM 2 WIRE SMBUS INTRFCE RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| ADT7481ARMZ-REEL | 功能描述:板上安裝溫度傳感器 2 CH TEMP SNSR/ALARM 2 WIRE SMBUS INTRFCE RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
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