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ADT7408CCPZ-REEL7 PDF预览

ADT7408CCPZ-REEL7

更新时间: 2024-01-18 17:43:31
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 455K
描述
+-2 C Accurate, 12-Bit Digital Temperature Sensor

ADT7408CCPZ-REEL7 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:ActiveReach Compliance Code:unknown
风险等级:5.75Is Samacsys:N
最大精度(摄氏度):2 Cel主体宽度:2.75 mm
主体高度:0.84 mm主体长度或直径:3 mm
JESD-609代码:e3安装特点:SURFACE MOUNT
位数:12最大工作电流:0.24 mA
最高工作温度:150 °C最低工作温度:-55 °C
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:3.6 V最小供电电压:3 V
表面贴装:YES端子面层:MATTE TIN
端接类型:SOLDERBase Number Matches:1

ADT7408CCPZ-REEL7 数据手册

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± ±2°C AAcurateCꢀ±ꢁ-BaCꢂBiBarꢃ  
TtmpturacutCStnsou  
CC  
 ꢂT7408  
FEATURES  
FUN°TIONAL BLO°K DIAGRAM  
V
12-bit temperature-to-digital converter  
2ꢀ° accuracy  
DD  
8
DIGITAL COMPARATOR  
12- / 10-Bit  
+
EVENT#  
7
DECIMATOR  
Operation from −20ꢀ° to +125ꢀ°  
Operation from 3 V to 3.6 V  
TEMPERATURE  
SENSOR  
LPF  
1-BIT  
CAPABILITY  
REGISTER  
240 μA typical average supply current  
Selectable 1.5ꢀ°, 3ꢀ°, 6ꢀ° hysteresis  
SMBus-/I2°®-compatible interface  
Dual-purpose event pin: comparator or interrupt  
8-lead LF°SP_VD, 3 mm × 3 mm (JEDE° MO-229 VEED-4)  
package  
+
CONFIGURATION  
REGISTER  
REFERENCE  
-∆  
ALARM TEMP  
UPPER  
BOUNDARY TRIP  
REGISTER  
1-BIT  
DAC  
CLK  
AND TIMING  
GENERATION  
ADDRESS  
POINTER  
REGISTER  
ALARM TEMP  
LOWER  
BOUNDARY TRIP  
REGISTER  
°omplies with JEDE° standard J°-42.4 memory module  
Thermal sensor component specification  
MANUFACTURER’S  
ID REGISTER  
CRITICAL TEMP  
REGISTER  
ADT7408  
FACTORY  
RESERVED  
REGISTER  
TEMPERATURE  
REGISTER  
APPLI°ATIONS  
Memory module temperature monitoring  
Isolated sensors  
Environmental control systems  
°omputer thermal monitoring  
Thermal protection  
1
2
3
A0  
A1  
A2  
5
6
SDA  
SCL  
SMBus/I²C INTERFACE  
4
V
ss  
Figure 1.  
Industrial process control  
Power system monitors  
GENERAL DES°RIPTION  
The ADT7408 is specified for operation at supply voltages from  
3.0 V to 3.6 V. Operating at 3.3 V, the average supply current is  
less than 240 μA typical. The ADT7408 offers a shutdown mode  
that powers down the device and gives a shutdown current of 3 μA  
typical. The ADT7408 is rated for operation over the −20°C to  
+125°C temperature range. The ADT7408 is available in a lead-  
free, 8-lead LFCSP_VD, 3 mm × 3 mm (JEDEC MO-229 VEED-4)  
package.  
The ADT7408 is the first digital temperature sensor that complies  
with JEDEC standard JC-42.4 for the mobile platform memory  
module. The ADT7408 contains a band gap temperature sensor  
and a 12-bit ADC to monitor and digitize the temperature to a  
resolution of 0.0625°C.  
There is an open-drain EVENT# output that is active when the  
monitoring temperature exceeds a critical programmable limit or  
when the temperature falls above or below an alarm window.  
This pin can operate in either comparator or interrupt mode.  
There are three slave device address pins that allow up to eight  
ADT7408s to be used in a system that monitors temperature of  
various components and subsystems.  
Rev. 0  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
©2006 Analog Devices, Inc. All rights reserved.  
 

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