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ADT7461AR

更新时间： 2024-11-22 11:55:03
品牌 Logo 应用领域
安森美 - ONSEMI 传感器换能器温度传感器光电二极管
页数 文件大小 规格书
20页 277K
描述
±1℃ Temperature Monitor with Series Resistance Cancellation

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中文翻译

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ADT7461AR 技术参数

是否无铅： 含铅生命周期：Obsolete
零件包装代码：SOIC包装说明：SOIC-8
针数：8Reach Compliance Code：not_compliant
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：6.78最大精度（摄氏度）：3 Cel
主体宽度：3.9 mm主体高度：1.75 mm
主体长度或直径：4.9 mmJESD-609代码：e0
安装特点：SURFACE MOUNT端子数量：8
最大工作电流：0.215 mA最高工作温度：125 °C
最低工作温度：-40 °C输出接口类型：2-WIRE INTERFACE
封装主体材料：PLASTIC/EPOXY封装等效代码：SOP8,.25
封装形状/形式：RECTANGULAR传感器/换能器类型：TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
最大供电电压：5.5 V最小供电电压：3 V
表面贴装：YES端子面层：Tin/Lead (Sn/Pb)
端接类型：SOLDERBase Number Matches：1

ADT7461AR 数据手册

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ADT7461  
+15C Temperature Monitor  
with Series Resistance  
Cancellation  
The ADT7461 is a dual-channel digital thermometer and under/over  
temperature alarm intended for use in PCs and thermal management  
systems. It is pin- and register-compatible with the ADM1032. The  
ADT7461 has three additional features: series resistance cancellation  
(where up to 3 kW (typical) of resistance in series with the temperature  
monitoring diode may be automatically cancelled from the temperature  
result, allowing noise filtering); configurable ALERT output; and an  
extended, switchable temperature measurement range. The ADT7461  
can accurately measure the temperature of a remote thermal diode to  
1°C and the ambient temperature to 3°C. The temperature  
measurement range defaults to 0°C to +127°C, compatible with the  
ADM1032, but can be switched to a wider measurement range of −55°C  
to +150°C. The ADT7461 communicates over a 2-wire serial interface  
compatible with system management bus (SMBus) standards. An  
ALERT output signals when the on-chip or remote temperature is out of  
range. The THERM output is a comparator output that allows on/off  
control of a cooling fan. The ALERT output can be reconfigured as a  
second THERM output, if required.  
http://onsemi.com  
MARKING  
DIAGRAMS  
8
8
ADT74  
61A  
#YWW  
1
SOIC−8  
CASE 751  
1
ADT7461A = Device Code  
#
Y
W
= Pb−Free Package  
= Year  
= Work Week  
The SMBus address of the ADT7461 is 0x4C. An ADT7461-2 is also  
available, which uses SMBus Address 0x4D.  
8
T1x  
AYWG  
G
FEATURES  
MSOP−8  
CASE 846AB  
1
• On-Chip and Remote Temperature Sensor  
1
• 0.25°C Resolution/1°C Accuracy on Remote Channel  
• 1°C Resolution/3°C Accuracy on Local Channel  
• Automatically Cancels Up to 3 kW (Typ) of Resistance in Series with  
Remote Diode to Allow Noise Filtering  
T1x = Refer to Order Info Table  
A
Y
W
G
= Assembly Location  
= Year  
• Extended, Switchable Temperature Measurement Range  
= Work Week  
0°C to +127°C (Default) or –55°C to +150°C  
= Pb−Free Package  
• Pin− and Register−Compatible with the ADM1032  
• 2−Wire SMBus Serial Interface with SMBus Alert Support  
• Two SMBus Address Versions Available:  
♦ ADT7461 SMBus Address is 0x4C  
♦ ADT7461-2 SMBus Address is 0x4D  
• Programmable Over/Undertemperature Limits  
• Offset Registers for System Calibration  
• Up to Two Overtemperature Fail−Safe THERM Outputs  
• Small 8−Lead SOIC or 8−Lead MSOP Packages  
• 170 mA Operating Current, 5.5 mA Standby Current  
• These are Pb−Free Devices  
(Note: Microdot may be in either location)  
PIN ASSIGNMENT  
SCLK  
V
1
2
3
4
8
7
6
5
DD  
D+  
D–  
SDATA  
ALERT/THERM2  
GND  
THERM  
(Top View)  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 18 of this data sheet.  
APPLICATIONS  
• Desktop and Notebook Computers  
• Industrial Controllers  
• Smart Batteries  
• Embedded Systems  
• Instrumentation  
© Semiconductor Components Industries, LLC, 2009  
1
Publication Order Number:  
December, 2009 − Rev. 6  
ADT7461/D  
1234567...20

中文翻译

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