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ADM811-3TARTZ-RL7 Datasheet(PDF) 1 Page - Analog Devices |
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ADM811-3TARTZ-RL7 Datasheet(HTML) 1 Page - Analog Devices |
1 / 12 page Microprocessor Supervisory Circuit in 4-Lead SOT-143 with DSP Data Sheet ADM811/ADM812 Rev. G Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2013 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES Superior upgrade for MAX811/MAX812 Specified over temperature Low power consumption: 5 µA typical Precision voltage monitor: 2.5 V, 3 V, 3.3 V, 5 V options Reset assertion down to 1 VCC Power-on reset: 140 ms minimum Logic low RESET output (ADM811) Logic high RESET output (ADM812) Built-in manual reset APPLICATIONS Microprocessor systems Controllers Intelligent instruments Automotive systems Safety systems Portable instruments FUNCTIONAL BLOCK DIAGRAM RESET GENERATOR DEBOUNCE VREF RESET/RESET GND VCC MR ADM811/ADM812 Figure 1. GENERAL DESCRIPTION The ADM811/ADM812 are reliable voltage monitoring devices suitable for use in most voltage monitoring applications. The ADM811/ADM812 are designed to monitor six different voltages, each allowing a 5% or 10% degradation of standard PSU voltages before a reset occurs. These voltages have been selected for the effective monitoring of 2.5 V, 3 V, 3.3 V, and 5 V supply voltage levels. Included in this circuit is a debounced manual reset input. Reset can be activated using an electrical switch (or an input from another digital device) or by a degradation of the supply voltage. The manual reset function is very useful, especially if the circuit in which the ADM811/ADM812 are operating enters into a state that can only be detected by the user. Allowing the user to reset a system manually can reduce the damage or danger that could otherwise be caused by an out-of-control or locked system. ADM811 GND VCC MR RESET MICROPROCESSOR SYSTEM GND VCC RESET 100kΩ Figure 2. Typical ADM811 Operating Circuit |
Similar Part No. - ADM811-3TARTZ-RL7 |
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Similar Description - ADM811-3TARTZ-RL7 |
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