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PDF ADCMP361 Data sheet ( Hoja de datos )
| Número de pieza | ADCMP361 | |
| Descripción | Single Comparator | |
| Fabricantes | Analog Devices | |
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Single Comparator with 400mV Reference
and Dual Polarity Outputs
Preliminary Technical Data
ADCMP361
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
Both inverting and noninverting outputs
Small SOT-23 Package
APPLICATIONS
Battery-Powered System Monitoring
Threshold Detectors
Relay Driving
Optoisolator Driving
Industrial Control Systems
Handheld Instruments
GENERAL DESCRIPTION
The ADCMP361 is a single low power, low voltage comparator
with a 400mV reference in the 5-lead SOT-23 package.
Operating within a supply range of 1.7V to 5.5V, the device
only draw 6.5µA typical, making it ideal for low voltage system
monitoring and portable applications. Hysteresis is included in
the comparators to insure stable output operation. The
comparator has only one input available externally, the other
input is connected internally to the reference. The comparator
has both an inverting and a noninverting output. The output
stage sinking capability guaranteed greater than 5mA over
temperature.
Available in commercial, industrial and automotive
temperature ranges.
FUNCTIONAL BLOCK DIAGRAM
VCC
ADCMP361
IN
400mV
OUT
OUT
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
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
ADCMP361
OUT 1
5 OUT
GND 2 ADCMP361
IN 3
4 Vs
Figure 2. Pin Configuration
Table 6. Pin Function Descriptions
Pin No. Mnemonic Description
1 OUT Noninverting Open Drain Output. Capable of sinking up to 40mA of current.
2 GND Ground.
3 IN
Monitors Analog Input Voltage on comparator. The other input of the comparator is connected to a 400mV
reference.
4 Vs
Power Supply. Operates from 1.7V to 5.5V.
5
OUTB
Inverting Open Drain Output. Capable of sinking up to 40mA of current.
Rev. PrB | Page 5 of 13
5 Page 
Preliminary Technical Data
APPLICATIONS INFORMATION
The ADCMP361 is a low power comparator with a build in
400mV reference that operates from 1.7V to 5.5V. The
comparators are approx 0.8% accurate with a built in hysteresis
of approx 6.5mV. The outputs are open drain capable of sinking
40mA.
COMPARATORS AND INTERNAL REFERENCE
The comparators has one input available externally and the
other input is connected internally to the 400mV reference. The
rising input threshold voltage of the comparators is designed to
be equal to that of the reference (i.e.≈400mV).
ADDING HYSTERESIS
To prevent oscillations at the output caused by noise or slowly
moving signals passing the switching threshold, each
comparator has built-in hysteresis of approximately 6.5mV.
Positive feedback can be used to adjust hysteresis.
OUTPUTS
The ADCMP361 has both inverting and noninverting outputs
available to provide a more flexible solution in applications
where the user may need to utilize the comparator in either
inverting or noninverting modes.
ADCMP361
Rev. PrB | Page 11 of 13
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet ADCMP361.PDF ] | |
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