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LMV7291MGNSN/a6500avaiSingle 1.8V Power Comparator with Rail-to-Rail Input
LMV7291MGXNSN/a9000avaiSingle 1.8V Power Comparator with Rail-to-Rail Input


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LMV7291MG-LMV7291MGX
Single 1.8V Power Comparator with Rail-to-Rail Input
LMV7291
Single 1.8V Low Power Comparator with Rail-to-Rail
Input
General Description

The LMV7291isa rail-to-rail input low power comparator,
characterizedat supply voltage 1.8V, 2.7V and 5.0V.It con-
sumes only 9uA supply current per channel while achieving 800ns propagation delay.
The LMV7291is availablein SC70 package. With this tiny
package,thePC board area canbe significantly reduced.It idealforlow voltage,low power and space critical designs.
The LMV7291 featuresa push-pull output stage whichal-
lows operation with minimum power consumption when driv-
inga load.
The LMV7291is built with National Semiconductor’s ad-
vance submicron silicon-gate BiCMOS process.It has bipo-
lar inputsfor improved noise performance and CMOS out-
putsfor rail-to-rail output swing.
Features

(VS= 1.8V,TA= 25˚C, Typical values unless specified). Single Supply Ultra low supply current 9µA per channel Low input bias current 10nA Low input offset current 200pA Low guaranteed VOS 4mV Propagation delay 880ns (20mV overdrive) Input common mode voltage range 0.1V beyond rails
Applications
Mobile communications Laptops and PDA’s Battery powered electronics General purpose low voltage applications
Typical Circuit

FIGURE1. Threshold Detector
March 2004
LMV7291
Single
1.8V
Low
Power
Comparator
with
Rail-to-Rail
Input
ic,good price


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