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PDF ADM6713 Data sheet ( Hoja de datos )
| Número de pieza | ADM6713 | |
| Descripción | Microprocessor Supervisory Circuit in 4-Lead SC70 | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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FEATURES
Specified Over Temperature
Low Power Consumption (12 A)
Precision Monitoring of 2.5 V, 3 V, 3.3 V, and 5 V Power
Supply Voltages
Reset Timeout Period of 140 ms (Min)
Manual Reset Input
Output Stages
Push-Pull RESET Output (ADM6711)
Open-Drain RESET Output (ADM6713)
Reset Assertion Down to 1 V VCC
Power Supply Glitch Immunity
4-Lead SC70 Package
APPLICATIONS
Microprocessor Systems
Computers
Controllers
Intelligent Instruments
Automotive Systems
Portable Instruments
Microprocessor Supervisory
Circuit in 4-Lead SC70
ADM6711/ADM6713
FUNCTIONAL BLOCK DIAGRAMS
ADM6711
VCC
VREF
RESET
GENERATOR
240 ms
RESET
MR DEBOUNCE
GND
ADM6713
VCC
VREF
RESET
GENERATOR
240 ms
MR DEBOUNCE
RESET
GND
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 volt-
age 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 VCC rises above the threshold.
This gives the supply voltage time to stabilize before the micro-
processor starts up.
The ADM6711 has a push-pull output, so no additional external
components are needed. The ADM6713’s open-drain output
requires an external pull-up resistor, which can be connected to a
voltage higher than VCC, if desired.
The parts are highly reliable with accurate voltage references
and immunity to fast, negative-going transients on VCC. Low
current consumption and space-efficient 4-lead SC70 packaging
make the ADM6711/ADM6713 ideal for use in low power
portable applications.
VCC
VCC
ADM6711/
ADM6713 RESET
MR
*RPULL-UP
VCC
RESET
P
SYSTEM
GND
GND
*ADM6713 ONLY
Figure 1. Typical Operating Circuit
REV. 0
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. 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 companies.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703 © 2003 Analog Devices, Inc. All rights reserved.
1 page  
Typical Performance Characteristics–ADM6711/ADM6713
12
10 IDD @ VCC = 5.5V
8
IDD @ VCC = 3V
6
4
2 IDD @ VCC = 1V
0
–40 –20
0
20 30 50 70 85
TEMPERATURE (؇C)
100 120
TPC 1. Supply Current vs. Temperature
289
284
ADM671_L/M
279
274
269
264
259
254
ADM671_R/S/T/Z
249
244
–40 –20
0
20 30 50 70 85
TEMPERATURE (؇C)
100 120
TPC 4. Power-Up Reset Timeout vs. Temperature
1000
900
800
700
600
500
400
300 VOD = 20mV
200
100 VOD = 125mV
0 VOD = 200mV
–40 –20 0 20 30 50 70 85 100 120
TEMPERATURE (؇C)
TPC 2. Power-Down RESET Delay vs. Temperature
ADM671_R/S/T/Z
900
800
700
600
500
400 VOD = 20mV
300
200
100 VOD = 125mV
VOD = 200mV
0
–40 –20 0 20 30 50 70
TEMPERATURE (؇C)
85
100 120
TPC 3. Power-Down RESET Delay vs. Temperature
ADM671_L/M
1.007
1.006
1.005
1.004
1.003
1.002
1.001
1.000
0.999
0.998
0.997
0.996
0.995
–40 –20
0
20 30 50 70 85 100 120
TEMPERATURE (؇C)
TPC 5. RESET Threshold Deviation vs. Temperature
400
350
300
250
200
ADM671_L/M
150
100
ADM671_R/S/T/Z
50
0
1 10 100 1000
RESET COMPARATOR OVERDRIVE, VTH – VCC (mV)
TPC 6. Maximum Transient Duration without Causing a
RESET Pulse vs. RESET Comparator Overdrive
REV. 0
–5–
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet ADM6713.PDF ] | |
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