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ADM6711TAKS-REEL7

P1-P3P4-P6P7-P9P10-P12
Microprocessor Supervisory
Circuit in 4-Lead SC70
Data Sheet
ADM6711/ADM6713
Rev. B
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.
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Fax: 781.461.3113 ©2006–2011 Analog Devices, Inc. All rights reserved.
FEATURES
Specified over temperature
Low power consumption (12 μA)
Precision monitoring of 2.5 V, 3 V, 3.3 V,
and 5 V power supply voltages
Reset timeout period of 140 ms (minimum)
Manual reset input
Output stages
Push-pull
RESET
output (ADM6711)
Open-drain
RESET
output (ADM6713)
Reset assertion down to 1 V V
CC
Power supply glitch immunity
4-lead SC70 package
APPLICATIONS
Microprocessor systems
Computers
Controllers
Intelligent instruments
Automotive systems
FUNCTIONAL BLOCK DIAGRAMS
ADM6711
V
CC
GND
RESET
RESET
GENERATOR
240ms
DEBOUNCE
MR
V
REF
0
3754-011
Figure 1.
03754-001
ADM6713
V
CC
GND
RESET
DEBOUNCE
MR
V
REF
RESET
GENERATOR
240ms
Figure 2.
GENERAL DESCRIPTION
The ADM6711/ADM6713 are reset generator circuits suitable
for use in microprocessor-based systems. They provide a reset
signal on power-up, power-down, and whenever the supply
voltage falls below a preset threshold. In addition, both parts
have a debounced manual reset input so that a reset signal can
also be initiated with an external switch or logic signal.
With six different reset threshold options available ranging from
2.32 V to 4.63 V, the ADM6711/ADM6713 are suitable for
monitoring 2.5 V, 3 V, 3.3 V, and 5 V supplies. A reset timeout
of at least 140 ms occurs when V
CC
rises above the threshold.
This gives the supply voltage time to stabilize before the
microprocessor starts up.
The ADM6711 has a push-pull output, so no additional external
components are needed. The ADM6713 open-drain output
requires an external pull-up resistor that can be connected to
a voltage higher than V
CC
, if desired.
The parts are highly reliable with accurate voltage references
and immunity to fast, negative-going transients on V
CC
. Low
current consumption and space-efficient, 4-lead SC70 packaging
make the ADM6711/ADM6713 ideal for use in low power
portable applications.
RESET RESETMR
GND GND
ADM6711/
ADM6713
*ADM6713 ONLY
V
CC
V
CC
MICROPROCESSOR
SYSTEM
*R
PULL-UP
03754-002
Figure 3. Typical Operating Circuit
ADM6711/ADM6713 Data Sheet
Rev. B | Page 2 of 12
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagrams............................................................. 1
General Description......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 5
ESD Caution.................................................................................. 5
Pin Configuration and Function Descriptions............................. 6
Typical Performance Characteristics ..............................................7
Circuit Description............................................................................8
Manual Reset Input.......................................................................8
Power Supply Glitch Immunity...................................................8
ADM6713
RESET
Output Logic Levels .....................................8
Ensuring a Valid
RESET
Output Down To V
CC
= 0 V ............8
Outline Dimensions ..........................................................................9
Ordering Guide .............................................................................9
REVISION HISTORY
9/11—Rev. A to Rev. B
Changes to Input Threshold Parameter, Table 1 .......................... 4
Updated Outline Dimensions......................................................... 9
12/06—Rev. 0 to Rev. A
Updated Format..................................................................Universal
Changes to Specifications Table...................................................... 3
Changes to Figure 10........................................................................ 8
Changes to Ordering Guide ............................................................ 9
8/03—Revision 0: Initial Version
Data Sheet ADM6711/ADM6713
Rev. B | Page 3 of 12
SPECIFICATIONS
V
CC
= full operating range; T
A
= T
MIN
to T
MAX
; V
CC
typ = 5 V for L/M models, 3.3 V for T/S models, 3 V for R models, and 2.5 V for Z models,
unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit Test Conditions/Comments
SUPPLY
V
CC
Operating Voltage Range 1.0 5.5 V T
A
= 0°C to 70°C
1.2 5.5 V T
A
= −40°C to +125°C
Supply Current 16 35 A V
CC
< 5.5 V, ADM671_L/M,
T
A
= −40°C to +85°C
12 30 A V
CC
< 3.6 V, ADM671_R/S/T/Z,
T
A
= −40°C to +85°C
60 A V
CC
< 5.5 V, ADM671_L/M,
T
A
= 85°C to 125°C
60 A V
CC
< 3.6 V, ADM671_R/S/T/Z,
T
A
= 85°C to 125°C
RESET VOLTAGE THRESHOLD
ADM671_L 4.56 4.63 4.70 V T
A
= 25°C
4.50 4.75 V T
A
= −40°C to +85°C
4.44 4.82 V T
A
= 85°C to 125°C
ADM671_M 4.31 4.38 4.45 V T
A
= 25°C
4.25 4.50 V T
A
= −40°C to +85°C
4.20 4.56 V T
A
= 85°C to 125°C
ADM671_T 3.04 3.08 3.11 V T
A
= 25°C
3.00 3.15 V T
A
= −40°C to +85°C
2.95 3.21 V T
A
= 85°C to 125°C
ADM671_S 2.89 2.93 2.96 V T
A
= 25°C
2.85 3.00 V T
A
= −40°C to +85°C
2.81 3.05 V T
A
= 85°C to 125°C
ADM671_R 2.59 2.63 2.66 V T
A
= 25°C
2.55 2.70 V T
A
= −40°C to +85°C
2.52 2.74 V T
A
= 85°C to 125°C
ADM671_Z 2.28 2.32 2.35 V T
A
= 25°C
2.25 2.38 V T
A
= −40°C to +85°C
2.22 2.42 V T
A
= 85°C to 125°C
RESET THRESHOLD TEMPERATURE COEFFICIENT 30 ppm/°C
V
CC
to RESET DELAY
20 s V
CC
= V
TH
to (V
TH
− 100 mV)
RESET ACTIVE TIMEOUT PERIOD
140 240 460 ms T
A
= −40°C to +85°C
100 640 ms T
A
= 85°C to 125°C
RESET OUTPUT VOLTAGE
Low (ADM6711/ADM6713) 0.3 V V
CC
= V
TH
min, I
SINK
= 1.2 mA,
ADM671_R/S/T/Z
0.4 V V
CC
= V
TH
min, I
SINK
= 3.2 mA,
ADM671_L/M
0.3 V V
CC
>1.0 V, I
SINK
= 50 A
High (ADM6711) 0.8 V
CC
V V
CC
> V
TH
max, I
SOURCE
= 500 A,
ADM6711R/S/T/Z
0.8 V
CC
V V
CC
> V
TH
max, I
SOURCE
= 800 A,
ADM6711L/M
P1-P3P4-P6P7-P9P10-P12

ADM6711TAKS-REEL7

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Buy ADM6711TAKS-REEL7
Manufacturer:
Analog Devices Inc.
Description:
IC SUPERVISOR MPU 3.08V SC70-4
Lifecycle:
New from this manufacturer.
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