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ADT7461AARMZ-REEL7

更新时间： 2024-02-21 23:08:38
品牌 Logo 应用领域
亚德诺 - ADI 传感器换能器温度传感器输出元件
页数 文件大小 规格书
24页 549K
描述
【1∑C Temperature Monitor with Series Resistance Cancellation

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ADT7461AARMZ-REEL7 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete包装说明：LEAD FREE, MO-187-AA, MSOP-8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.17
Is Samacsys：N最大精度（摄氏度）：1 Cel
主体宽度：3 mm主体高度：0.85 mm
主体长度或直径：3 mmJESD-609代码：e3
安装特点：SURFACE MOUNT位数：8
端子数量：8最大工作电流：240 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：TSSOP8,.19封装形状/形式：SQUARE
电源：3.3 V传感器/换能器类型：TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
子类别：Other Sensors最大供电电压：3.6 V
最小供电电压：3 V表面贴装：YES
技术：CMOS端子面层：Matte Tin (Sn)
端接类型：SOLDERBase Number Matches：1

ADT7461AARMZ-REEL7 数据手册

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C
AD 746±A  
GENERALCDEꢄ°RIP IONC  
The ADT7461A1 is a dual-channel digital thermometer and  
undertemperature/overtemperature alarm, intended for use in  
PCs and thermal management systems. It is pin- and register-  
compatible with the ADM1032 and the ADT7461. A feature of the  
ADT7461A is series resistance cancellation, where up to 1.5 kΩ  
(typical) of resistance in series with the temperature monitoring  
diode can be automatically cancelled from the temperature result,  
allowing noise filtering. The ADT7461A has a configurable  
DIFFERENCES BETWEEN THE ADT7461A AND THE  
ADT7461  
Although the ADT7461A is pin- and register-compatible with  
the ADT7461, there are some specification differences between  
the two devices. A summary of these differences is shown in  
Table 1.  
Table 1. Differences Between the ADT7461A and the ADT7461  
ALERT  
output and an extended, switchable temperature meas-  
Specification  
ADT7461A ADT7461 Unit  
urement range.  
Supply Voltage  
3 to 3.6  
1
3 to 5.5  
3
V
Maximum Local Sensor  
Accuracy  
°C  
The ADT7461A can measure the temperature of a remote  
thermal diode accurate to 1ꢀC and the ambient temperature  
accurate to 3ꢀC. The temperature measurement range defaults  
to 0ꢀC to +127ꢀC, compatible with the ADM1032, but it can be  
switched to a wider measurement range of −64ꢀC to +191ꢀC.  
Maximum Series Resistance  
Cancellation  
1.5  
3
kΩ  
Average Operating Supply  
Current  
16 Conversions/sec  
Standby Mode  
240  
5
170  
5.5  
μA  
μA  
The ADT7461A communicates over a 2-wire serial interface,  
compatible with system management bus (SMBus) standards.  
The default SMBus address of the ADT7461A is 0x4C. An  
ADT7461A-2 is available with an SMBus address of 0x4D. This  
is useful if more than one ADT7461A is used on the same SMBus.  
Maximum Conversion Time  
One Shot, Averaging On  
One Shot, Averaging Off  
Remote Sensor Current Levels  
High  
52  
8
114.6  
12.56  
ms  
ms  
ALERT  
An  
ture is out of range. The  
that allows on/off control of a cooling fan. The  
THERM  
output signals when the on-chip or remote tempera-  
220  
82  
13.5  
96  
36  
6
μA  
μA  
μA  
THERM  
output is a comparator output  
ALERT  
Mid  
Low  
output  
output, if required.  
can be reconfigured as a second  
1 Protected by U.S. Patents 5,195,827; 5,867,012; 5,982,221; 6,097,239;  
6,133,753; 6,169,442; 7,010,440 ; other patents pending.  
Rev. A | Page 3 of 24  
 
 
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