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PDF ADM1815 Data sheet ( Hoja de datos )
| Número de pieza | ADM1815 | |
| Descripción | Microprocessor Reset Circuits | |
| Fabricantes | Analog Devices | |
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Data Sheet
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 with internal pull-up resistor 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
150ms
DELAY
RST
VCC
GND
ADM1811/ADM1816
5.5kΩ
VCC
TOLERANCE
BIAS
TC
REFERENCE
150ms
DELAY
RST
ADM1812/ADM1817
VCC
GND
VCC
TOLERANCE
BIAS
TC
REFERENCE
150ms
DELAY
RST
VCC
GND
ADM1813/ADM1818
VCC
TOLERANCE
BIAS
TC
REFERENCE
RESET
MONITOR
5.5kΩ
150ms
DELAY
RST
Figure 1.
Rev. F
Document Feedback
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©1999–2013 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
1 page  
Data Sheet
ADM1810 to ADM1813/ADM1815 to ADM1818
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
RST/RST 1
ADM181x
TOP VIEW 3 GND
(Not to Scale)
VCC 2
Figure 2. 3-Lead SOT-23 Pin Configuration
VCC 1
ADM181x
TOP VIEW 3 GND
(Not to Scale)
RST/RST 2
Figure 3. 3-Lead SC70 Pin Configuration
Table 3. Pin Function Descriptions
Pin No.
SOT-23 SC70 Mnemonic Description
1 2 RST
Active High Reset Output. RST remains high while VCC is below the reset threshold and remains high for
150 ms typical after VCC rises above the reset threshold. Applies to the ADM1812 and ADM1817 only.
RST Active Low Reset Output. RST remains low while VCC is below the reset threshold and remains low for
150 ms typical after VCC rises above the reset threshold. Applies to the ADM1810, ADM1811, ADM1813,
ADM1815, ADM1816, and ADM1818 only.
2 1 VCC
Supply Voltage. The supply voltage being monitored.
3 3 GND
Ground. 0 V ground reference for all signals.
Rev. F | Page 5 of 12
5 Page 
Data Sheet
Model1, 2
ADM1816-R22AKS-RL7
ADM1816-R22AKSZ-RL
ADM1816-R22AKSZ-R7
ADM1816-R22ART-RL7
ADM1816-R22ARTZ-RL
ADM1816-R22ARTZ-R7
ADM1816-R23AKSZ-RL
ADM1816-R23AKSZ-R7
ADM1816-R23ART-RL7
ADM1816-R23ARTZ-RL
ADM1816-R23ARTZ-R7
ADM1817-5AKSZ-REEL
ADM1817-5AKSZ-RL7
ADM1817-5ART-REEL7
ADM1817-5ARTZ-REEL
ADM1817-5ARTZ-RL7
ADM1817-10AKS-RL7
ADM1817-10AKSZ-RL
ADM1817-10AKSZ-RL7
ADM1817-10ART-REEL
ADM1817-10ART-RL7
ADM1817-10ARTZ-RL
ADM1817-10ARTZ-RL7
ADM1817-20AKSZ-RL
ADM1817-20AKSZ-RL7
ADM1817-20ART-RL7
ADM1817-20ARTZ-RL
ADM1817-20ARTZ-RL7
ADM1817-R22AKSZ-RL
ADM1817-R22AKSZ-R7
ADM1817-R22ART-RL7
ADM1817-R22ARTZ-RL
ADM1817-R22ARTZ-R7
ADM1817-R23AKSZ-RL
ADM1817-R23AKSZ-R7
ADM1817-R23ART-RL7
ADM1817-R23ARTZ-RL
ADM1817-R23ARTZ-R7
ADM1818-5AKS-REEL
ADM1818-5AKSZ-RL7
ADM1818-5ART-REEL7
ADM1818-5ARTZ-REEL
ADM1818-5ARTZ-RL7
ADM1818-10AKS-RL7
ADM1818-10AKSZ-RL
ADM1818-10AKSZ-RL7
ADM1818-10ART-REEL
ADM1818-10ART-RL7
ADM1818-10ARTZ-RL7
Temperature Range
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
ADM1810 to ADM1813/ADM1815 to ADM1818
Trip Point
2.18 V
2.18 V
2.18 V
2.18 V
2.18 V
2.18 V
2.31 V
2.31 V
2.31 V
2.31 V
2.31 V
3.06 V
3.06 V
3.06 V
3.06 V
3.06 V
2.88 V
2.88 V
2.88 V
2.88 V
2.88 V
2.88 V
2.88 V
2.55 V
2.55 V
2.55 V
2.55 V
2.55 V
2.18 V
2.18 V
2.18 V
2.18 V
2.18 V
2.31 V
2.31 V
2.31 V
2.31 V
2.31 V
3.06 V
3.06 V
3.06 V
3.06 V
3.06 V
2.88 V
2.88 V
2.88 V
2.88 V
2.88 V
2.88 V
Package Option
KS-3 (SC70)
KS-3 (SC70)
KS-3 (SC70)
RT-3 (SOT-23)
RT-3 (SOT-23)
RT-3 (SOT-23)
KS-3 (SC70)
KS-3 (SC70)
RT-3 (SOT-23)
RT-3 (SOT-23)
RT-3 (SOT-23)
KS-3 (SC70)
KS-3 (SC70)
RT-3 (SOT-23)
RT-3 (SOT-23)
RT-3 (SOT-23)
KS-3 (SC70)
KS-3 (SC70)
KS-3 (SC70)
RT-3 (SOT-23)
RT-3 (SOT-23)
RT-3 (SOT-23)
RT-3 (SOT-23)
KS-3 (SC70)
KS-3 (SC70)
RT-3 (SOT-23)
RT-3 (SOT-23)
RT-3 (SOT-23)
KS-3 (SC70)
KS-3 (SC70)
RT-3 (SOT-23)
RT-3 (SOT-23)
RT-3 (SOT-23)
KS-3 (SC70)
KS-3 (SC70)
RT-3 (SOT-23)
RT-3 (SOT-23)
RT-3 (SOT-23)
KS-3 (SC70)
KS-3 (SC70)
RT-3 (SOT-23)
RT-3 (SOT-23)
RT-3 (SOT-23)
KS-3 (SC70)
KS-3 (SC70)
KS-3 (SC70)
RT-3 (SOT-23)
RT-3 (SOT-23)
RT-3 (SOT-23)
Branding
M6B
M78
M78
M6B
M78
M78
M79
M79
M6C
M79
M79
M7F
M7F
M7K
M7F
M7F
M7E
M7G
M7G
M7E
M7E
M7G
M7G
M7H
M7H
M7A
M7H
M7H
M7J
M7J
M7B
M7J
M7J
M7L
M7L
M7C
M7L
M7L
M8K
M4T
M8K
M4T
M4T
M8E
M7P
M7P
M8E
M8E
M7P
Rev. F | Page 11 of 12
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet ADM1815.PDF ] | |
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