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ADT7483AARQZ

更新时间： 2024-11-23 06:36:27
品牌 Logo 应用领域
安森美 - ONSEMI 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 311K
描述
Dual Channel Temperature Sensor and Over Temperature Alarm

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中文翻译

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ADT7483AARQZ 技术参数

是否无铅： 不含铅生命周期：Obsolete
包装说明：LEAD FREE, MO-137-AB, QSOP-16针数：16
Reach Compliance Code：unknown风险等级：7.73
Is Samacsys：N最大精度（摄氏度）：2.5 Cel
其他特性：HYSTERESIS IS 0.5V主体宽度：3.91 mm
主体高度：1.55 mm主体长度或直径：4.9 mm
JESD-609代码：e3安装特点：SURFACE MOUNT
位数：10端子数量：16
最大工作电流：1 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：SSOP16,.25
封装形状/形式：RECTANGULAR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温度系数：NEGATIVE ppm/ °C
端子面层：Tin (Sn)端接类型：SOLDER
Base Number Matches：1

ADT7483AARQZ 数据手册

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Dual Channel Temperature Sensor  
and Over Temperature Alarm  
ADT7483A  
FEATURES  
GENERAL DESCRIPTION  
1 local and 2 remote temperature sensors  
0.25°C resolution/1°C accuracy on remote channels  
1°C resolution/1°C accuracy on local channel  
Extended, switchable temperature measurement range  
0°C to 127°C (default) or –64°C to +191°C  
2-wire SMBus serial interface with SMBus alert support  
Programmable over/under temperature limits  
Offset registers for system calibration  
The ADT7483A1 is a three-channel digital thermometer and  
under/over temperature alarm, intended for use in PCs and  
thermal management systems. It can measure the temperature  
in two remote locations, for example, the remote thermal diode  
in a CPU or GPU, or a discrete diode connected transistor. It can  
also measure its own ambient temperature. The temperature of the  
remote thermal diode and ambient temperature can be accurately  
measured to 1°C. The temperature measurement range defaults to  
0°C to 127°C, compatible with ADM1032, but can be switched  
to a wider measurement range, from −64°C to +191°C.  
Up to 2 overtemperature fail-safe  
Small 16-lead QSOP package  
outputs  
THERM  
240 μA operating current, 5 μA standby current  
The ADT7483A communicates over a 2-wire serial interface  
compatible with system management bus (SMBus) standards.  
The SMBus address is set by the ADD0 and ADD1 pins. As  
many as nine different SMBus addresses are possible.  
APPLICATIONS  
Desktop and notebook computers  
Industrial controllers  
Smart batteries  
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.  
Automotive  
Embedded systems  
Burn-in applications  
Instrumentation  
FUNCTIONAL BLOCK DIAGRAM  
ADDRESS POINTER  
REGISTER  
ONE-SHOT  
REGISTER  
CONVERSION RATE  
LOCAL TEMPERATURE  
THERM LIMIT REGISTER  
ON-CHIP TEMP  
SENSOR  
REGISTER  
LOCAL TEMPERATURE  
VALUE REGISTER  
LOCAL TEMPERATURE  
LOW LIMIT REGISTER  
3
4
D1+  
D1–  
LOCAL TEMPERATURE  
HIGH LIMIT REGISTER  
ANALOG  
MUX  
11-BIT A-TO-D  
CONVERTER  
D2+ 12  
REMOTE 1 AND 2 TEMP  
THERM LIMIT REGISTER  
BUSY RUN/STANDBY  
11  
D2–  
REMOTE 1 AND 2 TEMP  
VALUE REGISTERS  
REMOTE 1 AND 2 TEMP  
LOW LIMIT REGISTERS  
REMOTE 1 AND 2 TEMP  
HIGH LIMIT REGISTERS  
REMOTE 1 AND 2 TEMP  
OFFSET REGISTERS  
CONFIGURATION  
REGISTERS  
EXTERNAL DIODES OPEN-CIRCUIT  
INTERRUPT  
MASKING  
13  
ALERT/THERM2  
STATUS REGISTERS  
SMBus INTERFACE  
ADT7483A  
2
6
14  
15  
5
16  
1
V
GND  
SDATA SCLK  
ADD0 ADD1  
DD  
THERM  
Figure 1.  
1 Protected by U.S. Patents 5,195,827, 5,867,012, 5,982,221, 6,097,239, 6,133,753, 6,169,442, other patents pending.  
©2008 SCILLC. All rights reserved.  
February 2008 – Rev. 1  
Publication Order Number:  
ADT7483A/D  
1234567...24

中文翻译

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ADT7483AARQZ 替代型号

型号 品牌 替代类型 描述 数据表
ADT7483AARQZ-RL ONSEMI

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 Dual Channel Temperature Sensor and Over Temperature Alarm

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