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PDF ADCMP670 Data sheet ( Hoja de datos )
| Número de pieza | ADCMP670 | |
| Descripción | Dual Comparators | |
| Fabricantes | Analog Devices | |
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Preliminary Technical Data
FEATURES
Low Quiescent Current: 6.5µA Typ
Supply Range: 1.7V to 5.5V
400mV Reference ±0.8% Accuracy Over Temperature
Input Range Includes Ground
Internal Hysteresis: 6.5mV Typ
Low Input Bias Current: ±10nA Max
40mA Typical Output Sink Current
Supports Wired-AND Connections
Input Polarities: One inverting and one noninverting
Low Profile (1mm) TSOT Package
APPLICATIONS
Battery-Powered System Monitoring
Threshold Detectors
Window Comparators
Relay Driving
Optoisolator Driving
Industrial Control Systems
Handheld Instruments
GENERAL DESCRIPTION
The ADCMP670 combine two low power, low voltage
comparators with a 400mV reference in the 6-lead TSOT
package. Operating within a supply range of 1.7V to 5.5V, the
devices only draw 6.5µA typical, making them ideal for low
voltage system monitoring and portable applications.
Hysteresis is included in the comparators to insure stable
output operation. Each comparator has only one input available
externally, the other inputs are connected internally to the
reference. The comparator outputs are open collector and the
output load can be referred to any voltage up to supply voltage.
The output stage sinking capability guaranteed greater than
5mA over temperature.
The ADCMP670 has one inverting input and one non-
inverting input, making it suitable for use as a window
comparator. Available in commercial, industrial and
automotive temperature ranges.
Dual Comparators
with 400mV Reference
ADCMP670
FUNCTIONAL BLOCK DIAGRAM
VCC
ADCMP670-1
+INA
400mV
-INB
OUTA
OUTB
GND
Figure 1.
Rev. PrB
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
www.analog.com
Fax: 781.461.3113
©2006 Analog Devices, Inc. All rights reserved.
1 page  
Preliminary Technical Data
ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted.
Table 5.
Parameter
Vs
INx
OUTx
Operating Temperature Range
Storage Temperature Range
θJA Thermal Impedance, SC70
Lead Temperature
Soldering (10 sec)
Vapor Phase (60 sec)
Infrared (15 sec)
Rating
−0.3V to +6V
−0.3V to +6V
−0.3V to +6V
−40°C to +125°C
−65°C to +150°C
146°C/W
300°C
215°C
220°C
ADCMP670
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only and functional operation of the device at these or
any other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
ESD CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the
human body and test equipment and can discharge without detection. Although this product features
proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy
electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance
degradation or loss of functionality.
Rev. PrB | Page 5 of 14
5 Page 
Preliminary Technical Data
ADCMP670
Figure 27. Propagation Delay vs Input Overdrive
Figure 28.Non Inverting and Inverting comparators Propagation Delay
Figure 29. Rise and Fall Times vs Output Pullup Resistor
Rev. PrB | Page 11 of 14
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet ADCMP670.PDF ] | |
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