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ADM1813-5ARTZ-RL7

P1-P3P4-P6P7-P9P10-P12
Microprocessor Reset Circuits
Data Sheet
ADM1810 to ADM1813/ADM1815 to ADM1818
Rev. F Document Feedback
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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
Figure 1.
V
CC
V
CC
V
CC
V
CC
GND
GND
GND
RESET
MONITOR
5.5kΩ
GND
5.5kΩ
RST
ADM1810/ADM1815
ADM1811/ADM1816
ADM1812/ADM1817
ADM1813/ADM1818
V
CC
TOLERANCE
BIAS
TC
REFERENCE
V
CC
TOLERANCE
BIAS
TC
REFERENCE
V
CC
TOLERANCE
BIAS
TC
REFERENCE
V
CC
TOLERANCE
BIAS
TC
REFERENCE
150ms
DELAY
150ms
DELAY
150ms
DELAY
150ms
DELAY
RST
RST
RST
00064-001
ADM1810 to ADM1813/ADM1815 to ADM1818 Data Sheet
Rev. F | Page 2 of 12
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagrams ............................................................. 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 4
ESD Caution .................................................................................. 4
Pin Configurations and Function Descriptions ........................... 5
Typical Performance Characteristics ..............................................6
Theory of Operation .........................................................................7
Timing Diagrams for All Devices ...............................................7
ADM1813 and ADM1818 .............................................................7
ADM1810, ADM1812, ADM1815, and ADM1817 ....................7
ADM1811 and ADM1816 .............................................................7
Outline Dimensions ..........................................................................8
Ordering Guide .............................................................................9
REVISION HISTORY
10/13—Rev. E to Rev. F
Changed Open-Drain to Open-Drain with Internal Pull-Up
Resistor ............................................................................ Throughout
Updated Outline Dimensions ......................................................... 8
Changes to Ordering Guide ............................................................ 9
8/08—Rev. D to Rev. E
Changes to Table 3 ............................................................................ 5
Updated Outline Dimensions ......................................................... 8
Changes to Ordering Guide ............................................................ 9
10/05—Rev. C to Rev. D
Updated Format .................................................................. Universal
Added Figure 3 .................................................................................. 5
Changes to Table 3 ............................................................................ 5
Updated Outline Dimensions ......................................................... 8
Edits to Ordering Guide .................................................................. 9
9/03—Rev. B to Rev. C.
Added SC70 ......................................................................... Universal
Edits to Specifications ...................................................................... 2
Edits to Ordering Guide .................................................................. 4
Updated Outline Dimensions ......................................................... 7
2/03—Rev. A to Rev. B.
Edits to Features ................................................................................. 1
Deleted Table I ................................................................................... 1
Edits to Specifications ....................................................................... 2
Edits to Absolute Maximum Ratings .............................................. 3
Edits to Ordering Guide ................................................................... 3
Added Typical Performance Characteristics ................................. 4
Edits to ADM1813 AND ADM1818 section ................................. 5
Edits to ADM1810, ADM1812, ADM1815, and
ADM1817 Section ............................................................................. 5
Edits to ADM1811 and ADM1816 Section ................................... 5
Updated Outline Dimensions .......................................................... 6
3/02—Rev. 0 to Rev. A.
Addition of Table .............................................................................. 1
Edits to Ordering Guide ................................................................... 3
Addition of New Text to ADM1813 and ADM1818 Section ...... 4
4/99—Revision 0: Initial Version
Data Sheet ADM1810 to ADM1813/ADM1815 to ADM1818
Rev. F | Page 3 of 12
SPECIFICATIONS
V
CC
= full operating range, T
A
= −40°C to +105°C, unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit Comments
SUPPLY
Voltage
1
5.5
V
T
A
= 0°C to 105°C
1.2 5.5 V T
A
= −40°C to +105°C
Current 9 16 µA V
CC
= 5.5 V, V
CC
> V
TH
, no load
4 10 µA V
CC
= 3.6 V, V
CC
> V
TH
, no load
OUTPUT CURRENT
RST
Output Source Current
350 µA V
CC
≥ V
TH
(max), reset not asserted (ADM1810/ADM1815)
RST Output Source Current 350 µA V
CC
≤ V
TH
(min), reset asserted (ADM1812/ADM1817)
RST
Output Sink Current
8 mA
V
CC
≥ 2.7 V, reset asserted, V
OUT
= 0.4 V (ADM1810/ADM1811/
ADM1813/ADM1815/ADM1816/ADM1818)
RST Output Sink Current 8 mA V
CC
≥ 2.7 V, reset not asserted, V
OUT
= 0.4 V (ADM1812/ADM1817)
OUTPUT VOLTAGE V
CC
− 0.5 V
CC
− 0.1 V ADM1810/ADM1812/ADM1815/ADM1817 at 0 µA to 500 µA
V
CC
TRIP POINT
ADM1810-5, ADM1811-5,
ADM1812-5, ADM1813-5
4.50 4.62 4.75 V
ADM1810-10, ADM1811-10,
ADM1812-10, ADM1813-10
4.25 4.35 4.49 V
ADM1815-5, ADM1816-5,
ADM1817-5, ADM1818-5
2.98 3.06 3.15 V
ADM1815-10, ADM1816-10,
ADM1817-10, ADM1818-10
2.80 2.88 2.97 V
ADM1815-20, ADM1816-20,
ADM1817-20, ADM1818-20
2.47 2.55 2.64 V
ADM1815-R23, ADM1816-R23,
ADM1817-R23, ADM1818-R23
2.25 2.31 2.37 V
ADM1815-R22, ADM1816-R22,
ADM1817-R22, ADM1818-R22
2.12 2.18 2.25 V
INTERNAL PULL-UP RESISTOR
ADM1811/ADM1816
3.5
7.5
kΩ
ADM1813/ADM1818 3.1 5.5 7.5 kΩ
OUTPUT CAPACITANCE 10 pF
RESET ACTIVE TIME 100 150 250 ms
V
CC
DETECT TO RESET
Falling 10 µs
Rising 100 150 250 ms t
R
= 5 µs
PUSH-BUTTON DETECT TO
RST
1 µs ADM1813/ADM1818
PUSH-BUTTON RESET 100 150 250 ms ADM1813/ADM1818
P1-P3P4-P6P7-P9P10-P12

ADM1813-5ARTZ-RL7

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Buy ADM1813-5ARTZ-RL7
Manufacturer:
Analog Devices Inc.
Description:
Supervisory Circuits RESET GENERATOR I.C.
Lifecycle:
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