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ADM1810-10ART-REEL View Datasheet(PDF) - Analog Devices

Part Name
Description
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ADM1810-10ART-REEL
ADI
Analog Devices ADI
ADM1810-10ART-REEL Datasheet PDF : 16 Pages
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Microprocessor Reset Circuits
ADM1810 to ADM1813/ADM1815 to ADM1818
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
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
Can be used with a manual push-button to generate a reset:
ADM1813, ADM1818
Initialization of microprocessor systems with added safety
Available in 3-lead SOT-23 and SC70 packages
APPLICATIONS
Microprocessor systems
Computers
Controllers
Intelligent instruments
Automotive systems
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.
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.
The ADM181x series of microprocessor reset circuits are
available in low cost, space-saving SOT-23 and SC70 packages.
FUNCTIONAL BLOCK DIAGRAMS
ADM1810/ADM1815
VCC
GND
VCC
TOLERANCE
BIAS
TC
REFERENCE
RST
150ms
DELAY
ADM1811/ADM1816
VCC
5.5kΩ
RST
GND
VCC
TOLERANCE
BIAS
TC
REFERENCE
150ms
DELAY
ADM1812/ADM1817
VCC
GND
VCC
TOLERANCE
BIAS
TC
REFERENCE
150ms
DELAY
RST
ADM1813/ADM1818
VCC
RESET
MONITOR
5.5kΩ
RST
VCC
TOLERANCE
BIAS
150ms
DELAY
GND
TC
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 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
www.analog.com
Fax: 781.461.3113 ©1999–2008 Analog Devices, Inc. All rights reserved.
 

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