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Analog Devices - Single/Dual/Quad Comparators

Numéro de référence ADCMP392
Description Single/Dual/Quad Comparators
Fabricant Analog Devices 
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ADCMP392 fiche technique
Data Sheet
Single/Dual/Quad Comparators
With Known Power-Up State
ADCMP391/ADCMP392/ADCMP393
FEATURES
Single-supply voltage operation: 2.3 V to 5.5 V
Rail-to-rail common-mode input voltage range
Low input offset voltage across VCMR: 1 mV typical
Guarantees comparator output logic low from VCC = 0.9 V to
undervoltage lockout (UVLO)
Operating temperature range: −40°C to +125°C
Package types:
8-lead, narrow body SOIC (ADCMP391/ADCMP392)
14-lead, narrow body SOIC (ADCMP393)
14-lead TSSOP (ADCMP393)
APPLICATIONS
Battery management/monitoring
Power supply detection
Window comparators
Threshold detectors/discriminators
Microprocessor systems
GENERAL DESCRIPTION
The ADCMP391/ADCMP392/ADCMP393 are
single/dual/quad rail-to-rail input, low power comparators ideal
for use in general-purpose applications. These comparators
operate from a single supply voltage of 2.3 V to 5.5 V and draw
a minimal amount of current. The single ADCMP391
consumes only 18.6 µA of supply current. The dual ADCMP392
and the quad ADCMP393 consumes 22.1 µA and 26.8 µA of
supply current, respectively. The low voltage and low current
operation of these devices makes it ideal for battery-powered
systems.
The comparators features a common-mode input voltage range
of 200 mV beyond rails, an offset voltage of 1 mV typical across
the full common-mode range, and a UVLO monitor. In addition,
the design of the comparators allows a defined output state
upon power-up, a logic low output while the supply voltage is
less than the UVLO threshold.
The ADCMP391 and ADCMP392 are available in 8-lead,
narrow body SOIC package while the ADCMP393 is available
in a 14-lead, narrow body SOIC package and a 14-lead TSSOP
package. The comparators are specified to operate over the
−40°C to +125°C extended temperature range.
FUNCTIONAL BLOCK DIAGRAMS
VCC
ADCMP391
IN+
OUT
IN–
GND
Figure 1.
VCC
INA+
INA–
INB+
INB–
ADCMP392
OUTA
OUTB
GND
Figure 2.
VCC
INA+
INA–
INB+
INB–
INC+
INC–
IND+
IND–
ADCMP393
OUTA
OUTB
OUTC
OUTD
GND
Figure 3.
Rev. D
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responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor 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 ©2014–2016 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com

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