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PDF LP339N Data sheet ( Hoja de datos )
| Número de pieza | LP339N | |
| Descripción | Ultra-Low Power Quad Comparator | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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September 1999
LP339
Ultra-Low Power Quad Comparator
General Description
The LP339 consists of four independent voltage compara-
tors designed specifically to operate from a single power
supply and draw typically 60 µA of power supply drain cur-
rent over a wide range of power supply voltages. Operation
from split supplies is also possible and the ultra-low power
supply drain current is independent of the power supply volt-
age. These comparators also feature a common-mode
range which includes ground, even when operated from a
single supply.
Applications include limit comparators, simple
analog-to-digital converters, pulse, square and time delay
generators; VCO’s; multivibrators; high voltage logic gates.
The LP339 was specifically designed to interface with the
CMOS logic family. The ultra-low supply current makes the
LP339 valuable in battery powered applications.
Advantages
n Ultra-low power supply drain suitable for battery
applications
n Single supply operation
n Sensing at ground
n Compatible with CMOS logic family
n Pin-out identical to LM339
Features
n Ultra-low power supply current drain
(60 µA) — independent of the supply voltage
(75 µW/comparator at +5 VDC)
n Low input biasing current: 3 nA
n Low input offset current: ±0.5 nA
n Low input offset voltage: ±2 mV
n Input common-mode voltage includes ground
n Output voltage compatible with MOS and CMOS logic
n High output sink current capability (30 mA at VO=2 VDC)
n Supply Input protected against reverse voltages
Schematic and Connection Diagrams
DS005226-1
Typical Applications (V+= 5.0 VDC)
Basic Comparator
DS005226-2
Order Number LP339M for S.O. Package
See NS Package Number M14A
Order Number LP339N for Dual-In-Line Package
See NS Package Number N14A
Driving CMOS
DS005226-3
© 1999 National Semiconductor Corporation DS005226
DS005226-4
www.national.com
1 page  
Typical Applications (V+=15 VDC) (Continued)
Time-Delay Generator
ORing the Outputs
DS005226-15
DS005226-16
5
www.national.com
5 Page 
Notes
LIFE SUPPORT POLICY
NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL
COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or
systems which, (a) are intended for surgical implant
into the body, or (b) support or sustain life, and
whose failure to perform when properly used in
accordance with instructions for use provided in the
labeling, can be reasonably expected to result in a
significant injury to the user.
2. A critical component is any component of a life
support device or system whose failure to perform
can be reasonably expected to cause the failure of
the life support device or system, or to affect its
safety or effectiveness.
National Semiconductor
Corporation
Americas
Tel: 1-800-272-9959
Fax: 1-800-737-7018
Email: [email protected]
www.national.com
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Europe
Fax: +49 (0) 1 80-530 85 86
Email: [email protected]
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English Tel: +49 (0) 1 80-532 78 32
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National Semiconductor
Asia Pacific Customer
Response Group
Tel: 65-2544466
Fax: 65-2504466
Email: [email protected]
National Semiconductor
Japan Ltd.
Tel: 81-3-5639-7560
Fax: 81-3-5639-7507
National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet LP339N.PDF ] | |
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