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ADT7421ARMZ-2RL7 PDF预览

ADT7421ARMZ-2RL7

更新时间: 2024-09-17 08:20:19
品牌 Logo 应用领域
安森美 - ONSEMI 传感器温度传感器
页数 文件大小 规格书
20页 246K
描述
Precision Temperature Sensor with Beta Compensation (for <45 nm Geometries)

ADT7421ARMZ-2RL7 数据手册

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ADT7421  
Precision Temperature  
Sensor with Beta  
Compensation  
(for <45 nm Geometries)  
http://onsemi.com  
The ADT7421 is a dualchannel digital thermometer and  
under/overtemperature alarm, intended for use in PCs and thermal  
management systems. It is pinand registercompatible with the  
ADM1032, ADT7461 and ADT7461A.  
MARKING  
DIAGRAMS  
8
The ADT7421 includes Beta Cancellation Technology. This enables  
accurate measurement of temperature from very small geometry  
(45 nm) processes. Significant variations in the Beta factor can be  
observed when different currents are applied to transistors embedded  
in small geometry CPU’s. This leads to large temperature errors. The  
ADT7421 automatically cancels the effects of error induced by beta  
variations.  
T7421  
ALYWRG  
G
SOIC8  
CASE 751  
1
1
A
L
Y
W
R
G
= Assembly Location  
= Wafer Lot  
= Year  
= Work Week  
= SMBus Address  
= PbFree Package  
Features  
OnChip and Remote Temperature Sensor  
0.25°C Resolution on Remote Channel  
1°C Resolution on Local Channel  
Automatically Cancels the Effect of Beta Variation in Thermal  
Transistors on Small Geometry CPU’s  
8
L7x  
AYWG  
G
MSOP8  
CASE 846AB  
1
1
L7x = Refer to Ordering Table  
A
Y
W
G
= Assembly Location  
= Year  
= Work Week  
Automatically Cancels Up to 50 W (Typical) of Resistance in Series  
with Remote Transistor  
Extended, Switchable Temperature Measurement Range  
= PbFree Package  
0°C to +125°C (default) or 40°C to +125°C  
(Note: Microdot may be in either location)  
Pinand RegisterCompatible with ADM1032, ADT7461,  
ADT7461A, EMC1402, and aSC7525  
PIN ASSIGNMENT  
2Wire SMBus Serial Interface with SMBus Alert Support  
Programmable Over/Undertemperature Limits  
Offset Registers for System Calibration  
Up to Two Overtemperature FailSafe THERM Outputs  
Small 8lead MSOP and SOP Packages  
These are PbFree Devices  
SCLK  
V
1
2
3
4
8
7
6
5
DD  
D+  
D–  
SDATA  
ALERT/THERM2  
GND  
THERM  
(Top View)  
Applications  
Desktop and Notebook Computers  
Industrial Controllers  
Smart Batteries  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 18 of this data sheet.  
Automotive  
Embedded Systems  
BurnIn Applications  
Instrumentation  
© Semiconductor Components Industries, LLC, 2010  
1
Publication Order Number:  
January, 2010 Rev. 5  
ADT7421/D  

ADT7421ARMZ-2RL7 替代型号

型号 品牌 替代类型 描述 数据表
ADT7421ARMZ-2RL ONSEMI

完全替代

Precision Temperature Sensor with Beta Compensation (for <45 nm Geometries)
ADT7421ARMZ-REEL ONSEMI

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