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ADM6823RYRJZ-RL7

更新时间： 2024-11-06 12:47:59
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亚德诺 - ADI 电源电路电源管理电路光电二极管监控输入元件
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12页 252K
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Low Voltage Supervisory Circuits with Watchdog and Manual Reset in 5-Lead SOT-

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 浏览型号ADM6823RYRJZ-RL7的Datasheet PDF文件第2页浏览型号ADM6823RYRJZ-RL7的Datasheet PDF文件第3页浏览型号ADM6823RYRJZ-RL7的Datasheet PDF文件第4页浏览型号ADM6823RYRJZ-RL7的Datasheet PDF文件第5页浏览型号ADM6823RYRJZ-RL7的Datasheet PDF文件第6页浏览型号ADM6823RYRJZ-RL7的Datasheet PDF文件第7页 
Low Voltage Supervisory Circuits with  
Watchdog and Manual Reset in 5-Lead SOT-23  
ADM6821/ADM6822/ADM6823/ADM6824/ADM6825  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Precision low voltage monitoring  
9 reset threshold options: 1.58 V to 4.63 V  
140 ms (min) reset timeout  
Watchdog timer with 1.6 sec timeout  
Manual reset input  
ADM6823  
V
CC  
V
CC  
RESET  
GENERATOR  
RESET  
V
REF  
Reset output stages  
DEBOUNCE  
MR  
Push-pull active-low  
WATCHDOG  
DETECTOR  
Open-drain active-low  
Push-pull active-high  
Low power consumption (7 μA)  
Guaranteed reset output valid to VCC = 1 V  
Power supply glitch immunity  
Specified from −40°C to +125°C  
5-lead SOT-23 package  
GND  
WDI  
Figure 1.  
APPLICATIONS  
Microprocessor systems  
Computers  
Controllers  
Intelligent instruments  
Portable equipment  
GENERAL DESCRIPTION  
The ADM682x are supervisory circuits that monitor power  
supply voltage levels and code execution integrity in  
Each part is available in nine reset threshold options, ranging  
from 1.58 V to 4.63 V. The reset and watchdog timeout periods  
are fixed at 140 ms (min) and 1.6 sec (typ), respectively.  
microprocessor-based systems. As well as 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 means of an  
external push-button through a manual reset input. The parts  
feature different combinations of watchdog input and manual  
reset input and output stage configurations, as shown in Table 1.  
The ADM682x are available in 5-lead SOT-23 packages and  
typically consume only 7 μA, making them suitable for use in  
low power, portable applications.  
Table 1. Selection Table  
Output Stage  
RESET  
Part No.  
Watchdog Timer  
Manual Reset  
RESET  
Push-Pull  
-
ADM6821  
ADM6822  
ADM6823  
ADM6824  
ADM6825  
Yes  
Yes  
Yes  
Yes  
-
Yes  
Yes  
Yes  
-
-
Open-Drain  
Push-Pull  
Push-Pull  
Push-Pull  
-
Push-Pull  
Push-Pull  
Yes  
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  
registered trademarks 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  
Fax: 781.461.3113  
www.analog.com  
© 2005 Analog Devices, Inc. All rights reserved.  
 
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ADM6823RYRJZ-RL7 替代型号

型号 品牌 替代类型 描述 数据表
MAX6823RUK+ MAXIM

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