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ADM823LYKSZ-R7 PDF预览

ADM823LYKSZ-R7

更新时间: 2024-01-23 22:06:00
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
12页 206K
描述
aSupervisory Circuits with Watchdog and

ADM823LYKSZ-R7 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:TSSOT
包装说明:TSSOP,针数:5
Reach Compliance Code:unknown风险等级:5.15
其他特性:RESET THRESHOLD VOLTAGE IS 4.63V可调阈值:NO
模拟集成电路 - 其他类型:POWER SUPPLY MANAGEMENT CIRCUITJESD-30 代码:R-PDSO-G5
JESD-609代码:e4长度:2 mm
湿度敏感等级:1信道数量:1
功能数量:1端子数量:5
最高工作温度:125 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260座面最大高度:1.1 mm
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.75 V
标称供电电压 (Vsup):4.75 V表面贴装:YES
温度等级:AUTOMOTIVE端子面层:NICKEL PALLADIUM GOLD
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:1.25 mmBase Number Matches:1

ADM823LYKSZ-R7 数据手册

 浏览型号ADM823LYKSZ-R7的Datasheet PDF文件第2页浏览型号ADM823LYKSZ-R7的Datasheet PDF文件第3页浏览型号ADM823LYKSZ-R7的Datasheet PDF文件第4页浏览型号ADM823LYKSZ-R7的Datasheet PDF文件第5页浏览型号ADM823LYKSZ-R7的Datasheet PDF文件第6页浏览型号ADM823LYKSZ-R7的Datasheet PDF文件第7页 
Supervisory Circuits with Watchdog and  
Manual Reset in 5-Lead SC70 and SOT-23  
ADM823/ADM824/ADM825  
Data Sheet  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Precision 2.5 V to 5 V power supply monitor  
7 reset threshold options: 2.19 V to 4.63 V  
140 ms (minimum) reset timeout  
Watchdog timer with 1.6 sec timeout (ADM823, ADM824)  
Manual reset input (ADM823, ADM825)  
Push-pull output stages  
ADM823  
V
CC  
V
CC  
RESET  
GENERATOR  
RESET  
V
REF  
DEBOUNCE  
MR  
(ADM823)  
, RESET (ADM824/ADM825)  
RESET  
RESET  
WATCHDOG  
DETECTOR  
Low power consumption: 5 µA  
Guaranteed reset output valid to VCC = 1 V  
Power supply glitch immunity  
Specified over automotive temperature range  
5-lead SC70 and SOT-23 packages  
GND  
WDI  
Figure 1.  
APPLICATIONS  
Microprocessor systems  
Computers  
Controllers  
Intelligent instruments  
Portable equipment  
GENERAL DESCRIPTION  
The ADM823/ADM824/ADM825 are supervisory circuits that  
monitor power supply voltage levels and code execution integrity  
in microprocessor-based systems. In addition to providing  
power-on reset signals, an on-chip watchdog timer can reset the  
microprocessor if it fails to strobe within a preset timeout  
period. A reset signal can also be asserted by an external push-  
button, through a manual reset input. The three parts feature  
different combinations of watchdog input, manual reset input,  
and output stage configuration, as shown in Table 1.  
These parts are available in a choice of seven reset threshold  
options ranging from 2.19 V to 4.63 V. The reset and watchdog  
timeout periods are fixed at 140 ms (minimum) and 1.6 sec  
(typical), respectively.  
The ADM823/ADM824/ADM825 are available in 5-lead SC70  
and SOT-23 packages and typically consume only 5 µA, making  
them suitable for use in low power, portable applications.  
Table 1. Selection Table  
Output Stage  
RESET  
RESET  
Part No.  
ADM823  
ADM824  
ADM825  
Watchdog Timer  
Manual Reset  
Yes  
Yes  
Yes  
Push-Pull  
Push-Pull  
Push-Pull  
Push-Pull  
Push-Pull  
Yes  
Rev. D  
Document Feedback  
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  
rightsof third parties that may result fromits 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 andregisteredtrademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700 ©2004–2013 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 
 
 

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