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ADM1021ARQ PDF预览

ADM1021ARQ

更新时间: 2024-11-24 11:01:43
品牌 Logo 应用领域
安森美 - ONSEMI 温度传感光电二极管信号电路传感器温度传感器模拟IC
页数 文件大小 规格书
15页 147K
描述
系统温度传感器

ADM1021ARQ 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:SSOP,
针数:16Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.02
Is Samacsys:N模拟集成电路 - 其他类型:ANALOG CIRCUIT
JESD-30 代码:R-PDSO-G16JESD-609代码:e0
长度:4.9 mm湿度敏感等级:1
功能数量:1端子数量:16
最高工作温度:85 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):240认证状态:Not Qualified
座面最大高度:1.75 mm最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):3 V表面贴装:YES
温度等级:OTHER端子面层:TIN LEAD
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9 mmBase Number Matches:1

ADM1021ARQ 数据手册

 浏览型号ADM1021ARQ的Datasheet PDF文件第2页浏览型号ADM1021ARQ的Datasheet PDF文件第3页浏览型号ADM1021ARQ的Datasheet PDF文件第4页浏览型号ADM1021ARQ的Datasheet PDF文件第5页浏览型号ADM1021ARQ的Datasheet PDF文件第6页浏览型号ADM1021ARQ的Datasheet PDF文件第7页 
ADM1021A  
Low Cost Microprocessor  
System Temperature  
Monitor Microcomputer  
The ADM1021A is a two−channel digital thermometer and  
under/overtemperature alarm, intended for use in personal computers  
and other systems requiring thermal monitoring and management. The  
device can measure the temperature of a microprocessor using a  
diode−connected PNP transistor, which can be provided on−chip with  
the Pentium® III or similar processors, or can be a low cost discrete  
NPN/PNP device, such as the 2N3904/2N3906. A novel measurement  
technique cancels out the absolute value of the transistor’s base emitter  
voltage so that no calibration is required. The second measurement  
channel measures the output of an on−chip temperature sensor to  
monitor the temperature of the device and its environment.  
The ADM1021A communicates over a two−wire serial interface  
compatible with SMBus standards. Under/overtemperature limits can  
be programmed into the device over the serial bus, and an ALERT  
output signals when the on−chip or remote temperature is out of range.  
This output can be used as an interrupt or as an SMBus alert.  
http://onsemi.com  
QSOP−16  
CASE 492  
MARKING DIAGRAM  
1
1021AA  
RQZ  
#YYWW  
FEATURES  
xxx  
#
= Device Code  
= Pb−Free Package  
Alternative to the ADM1021  
On−Chip and Remote Temperature Sensing  
No Calibration Necessary  
YYWW = Date Code  
1°C Accuracy for On−Chip Sensor  
3°C Accuracy for Remote Sensor  
Programmable Over/Undertemperature Limits  
Programmable Conversion rate  
2−Wire SMBus Serial Interface  
Supports System Management Bus (SMBus) Alert  
200 mA Max Operating Current  
1 mA Standby Current  
PIN ASSIGNMENT  
1
NC  
NC  
16  
15  
14  
13  
12  
11  
10  
9
2
3
4
5
6
7
8
V
STBY  
SCLK  
DD  
D+  
D–  
NC  
NC  
ADM1021A  
TOP VIEW  
SDATA  
ALERT  
ADD0  
NC  
ADD1  
GND  
GND  
3.0 V to 5.5 V Supply  
Small 16−Lead QSOP Package  
APPLICATIONS  
Desktop Computers  
Notebook Computers  
Smart Batteries  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 14 of this data sheet.  
Industrial Controllers  
Telecom Equipment  
Instrumentation  
© Semiconductor Components Industries, LLC, 2010  
1
Publication Order Number:  
June, 2010 − Rev. 8  
ADM1021A/D  

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