LMV7235 datasheet(1/12 Pages) NSC

Part #	LMV7235

Description	45ns, Ultra Low Power, Low Voltage, Rail-to-Rail Input Comparator with Open-Drain/Push-Pull Output

PDF	12 Pages

Scroll/Zoom	100%

Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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1 / 12 page

LMV7235/LMV7239

45ns, Ultra Low Power, Low Voltage, Rail-to-Rail Input

Comparator with Open-Drain/Push-Pull Output

General Description

The LMV7235/39 are ultra low power, low voltage, 45ns

comparators. They are guaranteed to operate over the full

supply voltage range of 2.7V to 5V. These devices achieve a

45ns propagation delay while consuming only 65µA of sup-

ply current at 5V.

The LMV7235/39 have a greater than rail-to-rail common

mode voltage range. The input common mode voltage range

extends 200mV below ground and 200mV above supply,

allowing both ground and supply sensing.

The LMV7235 features an open drain output. By connecting

an external resistor, the output of the comparator can be

used as a level shifter.

The LMV7239 features a push-pull output stage. This feature

allows operation without the need of an external pull-up

resistor.

The LMV7235/39 are available in the SC70-5 and SOT23-5

packages, which are ideal for systems where small size and

low power is critical.

Features

(V

S =5V, TA = 25˚C, Typical values unless otherwise speci-

fied)

n

Propagation delay

45ns

n

Low supply current

65µA

n

Rail-to-Rail input

n

Open drain and push-pull output

n

Ideal for 2.7V and 5V single supply applications

n

Available in space saving packages:

5-pin SOT23-5

and 5-pin SC70-5

Applications

n

Portable and battery powered systems

n

Scanners

n

Set top boxes

n

High speed differential line receiver

n

Window comparators

n

Zero-crossing detectors

n

High speed sampling circuits

Typical Application

10135902

February 2002

DS101359

www.national.com

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LMV7235 Datasheet(PDF) 1 Page - National Semiconductor (TI)

LMV7235 Datasheet(HTML) 1 Page - National Semiconductor (TI)

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