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ADM809-5LART-REEL-7 PDF预览

ADM809-5LART-REEL-7

更新时间: 2024-09-14 22:30:43
品牌 Logo 应用领域
亚德诺 - ADI 微处理器监控
页数 文件大小 规格书
6页 96K
描述
Microprocessor Supervisory Circuit

ADM809-5LART-REEL-7 数据手册

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Microprocessor  
Supervisory Circuit  
a
ADM809-5S/L  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
Specified Over Temperature  
Low Power Consumption (17 A)  
Precision Voltage Monitor: 3 V, 5 V Options  
Reset Assertion Down to 1 V VCC  
30 ms min Power-On Reset  
Logic Low RESET Output  
ADM809-5S/L  
V
CC  
RESET  
GENERATOR  
55ms  
RESET  
V
REF  
APPLICATIONS  
Microprocessor Systems  
Computers  
GND  
Controllers  
Intelligent Instruments  
Automotive Systems  
V
GENERAL DESCRIPTION  
CC  
The ADM809-5S/L supervisory circuits monitor the power  
supply voltage in microprocessor systems. It provides a reset  
output during power-up, power-down and brownout conditions.  
On power-up, an internal timer holds reset asserted for 55 ms.  
This holds the microprocessor in a reset state until conditions  
have stabilized. The RESET output remains operational with  
VCC as low as 1 V. The ADM809-5S/L provides an active low  
reset signal (RESET).  
V
V
CC  
CC  
ADM809-5S/L  
RESET  
INPUT  
P  
SYSTEM  
RESET  
GND  
GND  
The reset comparator features built-in glitch immunity,  
Figure 1. Typical Operating Circuit  
making it immune to fast transients on VCC  
.
The ADM809-5S/L consumes only 17 µA, making it suitable  
for low power portable equipment.  
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  
which may result from its use. No license is granted by implication or  
otherwise under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
World Wide Web Site: http://www.analog.com  
© Analog Devices, Inc., 2000  

ADM809-5LART-REEL-7 替代型号

型号 品牌 替代类型 描述 数据表
ADM809-5LART-REEL ADI

完全替代

Microprocessor Supervisory Circuit
ADM809MART-REEL7 ADI

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Microprocessor Supervisory Circuits in 3-Lead SC70 and SOT-23
APX809-46SRG-7 DIODES

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3-PIN MICROPROCESSOR RESET CIRCUITS

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