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ADM6710

更新时间: 2024-11-26 04:04:39
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亚德诺 - ADI 监控
页数 文件大小 规格书
8页 184K
描述
Low Voltage, High Accuracy, Quad Voltage UP Supervisory Circuit

ADM6710 数据手册

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Low Voltage, High Accuracy,  
Quad Voltage μP Supervisory Circuit  
Preliminary Technical Data  
ADM6710  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Accurate monitoring of up to four power supply voltages  
5 reset threshold options: 1.8 V to 5 V  
Monitors down to 0.62 V (1.5% accuracy)  
200 ms typical reset timeout  
IN  
1
ADM6710  
IN , V  
CC  
2
IN ,  
2
V
CC  
RESET  
Open-drain  
output (10 μA internal pull-up)  
RESET  
Reset output stage: active low, valid to IN1 = 1 V or IN2 = 1 V  
Low power consumption (35 μA)  
Power supply glitch immunity  
200ms  
TIMEOUT  
IN  
3
UVLO  
Specified from −40º C to +85 ºC  
6-lead SOT-23 package  
IN  
4
APPLICATIONS  
0.62V REF  
Microprocessor systems  
Desktop and notebook computers  
Controllers  
Figure 1.  
Data storage equipment  
Servers/workstations  
GENERAL DESCRIPTION  
The ADM6710 output remains valid as long as IN1 or IN2  
exceeds 1V, while for the ADM6710Q the output remains valid  
as long as VCC exceeds 2 V.  
The ADM6710 is a low voltage, high accuracy supervisory  
circuit. This device monitors up to four system supply voltages.  
If a monitored power supply voltage falls below the minimum  
voltage threshold, a single active low output asserts, triggering a  
system reset. The output is open drain with a weak internal  
pull-up to the monitored IN2 supply (or to VCC in the case of the  
ADM67109Q) of typically 10 μA. Once all voltages rise above  
the selected threshold level, the reset signal remains low for the  
reset timeout period (200 ms typical).  
The ADM6710 incorporates a variety of internally pretrimmed  
undervoltage threshold options for monitoring 5.0 V, 3.3 V, 3.0  
V, 2.5 V and 1.8 V supply voltages. The device offers up to three  
adjustable thresholds for monitoring voltages down to 0.62 V.  
The ADM6710 is available in a 6-lead SOT-23 package and is  
suitable for use in a variety of voltage monitoring applications.  
Rev. PrB  
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  
©2007 Analog Devices, Inc. All rights reserved.  

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