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ADM1818-20ARTZ-RL72 PDF预览

ADM1818-20ARTZ-RL72

更新时间: 2024-11-23 12:27:19
品牌 Logo 应用领域
亚德诺 - ADI 微处理器复位电路
页数 文件大小 规格书
16页 381K
描述
Microprocessor Reset Circuits

ADM1818-20ARTZ-RL72 数据手册

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Microprocessor Reset Circuits  
ADM1810 to ADM1813/ADM1815 to ADM1818  
FUNCTIONAL BLOCK DIAGRAMS  
FEATURES  
Reliable low cost voltage monitor with reset output  
Suitable for monitoring 2.5 V, 3 V, 3.3 V, and 5 V power  
supply voltages  
ADM1810/ADM1815  
V
CC  
RST  
Reset threshold levels: 4.62 V, 4.35 V, 3.06 V, 2.88 V, 2.55 V,  
2.31 V, and 2.18 V typical  
Active high and low push-pull output choices: ADM1810,  
ADM1812, ADM1815, and ADM1817  
Open-drain output choices: ADM1811, ADM1813, ADM1816,  
and ADM1818  
V
CC  
TOLERANCE  
BIAS  
150ms  
DELAY  
TC  
GND  
REFERENCE  
Can be used with a manual push-button to generate a reset:  
ADM1813, ADM1818  
ADM1811/ADM1816  
V
CC  
Initialization of microprocessor systems with added safety  
Available in 3-lead SOT-23 and SC70 packages  
5.5kΩ  
RST  
V
CC  
TOLERANCE  
APPLICATIONS  
BIAS  
150ms  
DELAY  
Microprocessor systems  
Computers  
Controllers  
TC  
GND  
REFERENCE  
Intelligent instruments  
Automotive systems  
ADM1812/ADM1817  
V
CC  
GENERAL DESCRIPTION  
The ADM181x range of voltage monitoring circuits is used in  
any application where an electronic system needs to be reset  
when a voltage increases above or below a predetermined value.  
RST  
V
CC  
TOLERANCE  
BIAS  
150ms  
DELAY  
Because of the reset delay time incorporated into the ADM181x  
series, these devices provide a safe startup for electronic systems.  
Before a system initializes, the power supply must stabilize.  
Using the ADM181x series ensures that there are typically 150 ms  
for the power supply to stabilize before the system resets and  
safe system initialization begins.  
TC  
GND  
REFERENCE  
ADM1813/ADM1818  
V
CC  
5.5kΩ  
RESET  
MONITOR  
RST  
The ADM181x series of microprocessor reset circuits are  
available in low cost, space-saving SOT-23 and SC70 packages.  
V
CC  
TOLERANCE  
BIAS  
150ms  
DELAY  
TC  
GND  
REFERENCE  
Figure 1.  
Rev. E  
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 www.analog.com  
Fax: 781.461.3113 ©1999–2008 Analog Devices, Inc. All rights reserved.  
 

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