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PDF ADM6710 Data sheet ( Hoja de datos )
| Número de pieza | ADM6710 | |
| Descripción | Triple/Quad Voltage Microprocessor Supervisory Circuit | |
| Fabricantes | Analog Devices | |
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Data Sheet
Low Voltage, High Accuracy, Triple/Quad
Voltage Microprocessor Supervisory Circuit
ADM6710
FEATURES
Accurate monitoring of up to four power supply voltages
5 factory set threshold options: 1.8 V, 2.5 V, 3.0 V, 3.3 V, 5 V
Adjustable input threshold voltage = 0.62 V (1.5% accuracy)
200 ms typical reset timeout
Open-drain RESET output (10 μA internal pull-up)
Reset output stage: active low, valid to IN1 = 1 V or IN2 = 1 V
Low power consumption (35 μA)
Power supply glitch immunity
Specified from −40°C to +125°C
6-lead SOT-23 package
APPLICATIONS
Telecommunications
Microprocessor systems
Desktop and notebook computers
Data storage equipment
Servers/workstations
FUNCTIONAL BLOCK DIAGRAM
IN1 ADM6710
IN2, VCC
IN2,
VCC
RESET
200ms
TIMEOUT
IN3 UVLO
IN4
0.62V REF
Figure 1.
GENERAL DESCRIPTION
The ADM6710 is a low voltage, high accuracy supervisory
circuit. The device monitors up to four system supply voltages.
The ADM6710 incorporates a variety of internally pretrimmed
undervoltage threshold options for monitoring 1.8 V, 2.5 V,
3.0 V, 3.3 V and 5.0 V supply voltages. The ADM6710Q offers
three adjustable thresholds for monitoring voltages down to
0.62 V. See the Ordering Guide section for a list and description
of all available options.
If a monitored power supply voltage falls below the minimum
voltage threshold, a single active low output asserts, triggering a
system reset. The output is open-drain with a weak internal
pull-up to the monitored IN2 supply (or to VCC in the case of the
ADM6710Q) of typically 10 μA. After all voltages rise above the
selected threshold level, the reset signal remains low for the
reset timeout period (200 ms typical).
The ADM6710 output remains valid as long as IN1 or IN2
exceeds 1 V, whereas for the ADM6710Q, the output remains
valid as long as VCC exceeds 2 V.
Unused monitored inputs must not be allowed to float or to be
grounded, instead they must be connected to a supply voltage
greater than their specified threshold voltages.
The ADM6710 is available in a 6-lead SOT-23 package. The
device operates over the extended temperature range of −40°C
to +125°C.
Rev. B
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.
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One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2007–2015 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
1 page  
ADM6710
ABSOLUTE MAXIMUM RATINGS
Table 2.
Parameter
VCC, INX, RESET to GND
Continuous RESET Current
Storage Temperature Range
Operating Temperature Range
Lead Temperature (10 sec)
Junction Temperature
Rating
−0.3 V to +6 V
20 mA
−65°C to +150°C
−40°C to +125°C
300°C
135°C
Stresses at or above those listed under Absolute Maximum
Ratings may cause permanent damage to the product. This is a
stress rating only; functional operation of the product at these
or any other conditions above those indicated in the operational
section of this specification is not implied. Operation beyond
the maximum operating conditions for extended periods may
affect product reliability.
Table 3. Thermal Resistance
Package Type
θJA
6-lead SOT-23
169.5
ESD CAUTION
Data Sheet
Unit
°C/W
Rev. B | Page 4 of 12
5 Page 
ADM6710
NOTES
Data Sheet
Rev. B | Page 10 of 12
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet ADM6710.PDF ] | |
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