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LMV7291 Datasheet(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part No. LMV7291
Description  Single 1.8V Low Power Comparator with Rail-to-Rail Input
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LMV7291 Datasheet(HTML) 1 Page - National Semiconductor (TI)

 
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LMV7291
Single 1.8V Low Power Comparator with Rail-to-Rail
Input
General Description
The LMV7291 is a rail-to-rail input low power comparator,
characterized at supply voltage 1.8V, 2.7V and 5.0V. It con-
sumes only 9uA supply current per channel while achieving
a 800ns propagation delay.
The LMV7291 is available in SC70 package. With this tiny
package, the PC board area can be significantly reduced. It
is ideal for low voltage, low power and space critical designs.
The LMV7291 features a push-pull output stage which al-
lows operation with minimum power consumption when driv-
ing a load.
The LMV7291 is built with National Semiconductor’s ad-
vance submicron silicon-gate BiCMOS process. It has bipo-
lar inputs for improved noise performance and CMOS out-
puts for rail-to-rail output swing.
Features
(V
S = 1.8V, TA = 25˚C, Typical values unless specified).
n
Single Supply
n
Ultra low supply current
9µA per channel
n
Low input bias current
10nA
n
Low input offset current
200pA
n
Low guaranteed V
OS
4mV
n
Propagation delay
880ns (20mV overdrive)
n
Input common mode voltage range
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
20080024
FIGURE 1. Threshold Detector
March 2004
© 2004 National Semiconductor Corporation
DS200800
www.national.com


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