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PDF LMV7251 Data sheet ( Hoja de datos )
| Número de pieza | LMV7251 | |
| Descripción | 1.8V Low Voltage Comparator with Rail-to-Rail Input | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LMV7251 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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January 2001
LMV7251/LMV7255
1.8V Low Voltage Comparator with Rail-to-Rail Input
General Description
The LMV7251/LMV7255 are rail-to-rail input low voltage
comparators, which can operate at supply voltage range of
1.8V to 5.0V. The LMV7251/LMV7255 are available in space
saving SC-70 or SOT23-5 packages. These comparators
are ideal for low voltage and space critical designs.
The LMV7251 features a push-pull output stage. This feature
allows operation with minimum power consumption when
driving a load.
The LMV7255 features an open drain output. This allows the
connection of an external resistor at the output. The output of
the comparator can be used as a level shifter.
The IC’s are built with National Semiconductor’s advance
Submicron Silicon-Gate BiCMOS process. The
LMV7251/LMV7255 have bipolar inputs for improved noise
performance and CMOS outputs for better rail-to-rail output
performance.
Features
(VS = 1.8V, TA = 25˚C, Typical values unless specified).
n Single or Dual Supplies
n Low supply voltage
1.8V to 5.0V
n Ultra low supply current
11µA
n Low input bias current
14nA
n Low input offset current
200pA
n Low input offset voltage
+/−0.3mV
n Response time
670ns (20mV overdrive)
n Input common mode voltage
0.1V beyond rails
Applications
n Mobile communications
n Laptops and PDA’s
n Battery powered electronics
n General purpose low voltage applications
Typical Circuit
Connection Diagram
DS200057-2
FIGURE 1. Threshold Detector
Top View
DS200057-1
© 2001 National Semiconductor Corporation DS200057
www.national.com
1 page  
Typical Performance Characteristics (TA = 25˚C, Unless otherwise specified).
Short Circuit Current vs. Supply Voltage
Supply Current vs. Supply Voltage
Output Voltage vs. Supply Voltage
DS200057-3
Output Voltage vs. Supply Voltage
DS200057-4
DS200057-5
Output Voltage vs. Output Current @1.8V Supply
Voltage
DS200057-6
Output Voltage vs. Output Current @1.8V Supply
Voltage
DS200057-7
5
DS200057-8
www.national.com
5 Page 
Physical Dimensions inches (millimeters) unless otherwise noted
5-Pin SOT23-5
NS Package Number MF05A
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
National Semiconductor
Europe
Fax: +49 (0) 180-530 85 86
Email: [email protected]
Deutsch Tel: +49 (0) 69 9508 6208
English Tel: +44 (0) 870 24 0 2171
Français Tel: +33 (0) 1 41 91 8790
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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 LMV7251.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| LMV7251 | LMV7251/LMV7255 1.8V Low Voltage Comparator with Rail-to-Rail Input (Rev. E) |  Texas Instruments |
| LMV7251 | 1.8V Low Voltage Comparator with Rail-to-Rail Input | National Semiconductor |
| LMV7255 | LMV7251/LMV7255 1.8V Low Voltage Comparator with Rail-to-Rail Input (Rev. E) | Texas Instruments |
| LMV7255 | 1.8V Low Voltage Comparator with Rail-to-Rail Input | National Semiconductor |
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