LMV951MKX datasheet(1/17 Pages) NSC

Part #	LMV951MKX

Description	1V, 2.7 MHz, Rail-to-Rail Input and Output Amplifier with Shutdown Option

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Manufacturer	NSC [National Semiconductor (TI)]

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LMV951

1V, 2.7 MHz, Rail-to-Rail Input and Output Amplifier with

Shutdown Option

General Description

The LMV951 amplifier is capable of operating at supply

voltages from 0.9V to 3V with guaranteed specs at 1V and

1.8V single supply.

The input common mode range extends to both power sup-

ply rails without the offset glitch and input bias current phase

reversal inherent to most rail to rail input amplifiers.

Contrary to a conventional rail to rail output amplifier the

LMV951 has a buffered output stage providing an open loop

gain which is relatively unaffected by resistive output load-

ing. At 1V supply voltage, the LMV951 is able to source and

sink in excess of 35 mA and offers a gain bandwidth product

of 2.7 MHz.

In shutdown mode the LMV951 consumes less than 50 nA of

supply current.

Features

(Typical 1.0V supply, unless otherwise noted)

n

Guaranteed 1V single supply operation

n

Wide bandwidth

n

No V

OS glitch over the input CMVR

n

No input I

BIAS current reversal over VCM range

n

Buffered output stage

n

High output drive capability

n

Output short circuit

— Sink current

35 mA

— Source current

45 mA

n

Rail-to-rail buffered output

— @ 600

Ω load

32 mV from either rail

— @ 2k

Ω load

12 mV from either rail

n

Temperature range

−40˚C to 125˚C

Applications

n

Battery operated systems

n

Battery monitoring

n

Supply current monitoring

Virtual Ground Circuit

Open Loop Gain and Phase

20123145

20123154

October 2006

DS201231

www.national.com

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LMV951MKX Datasheet(PDF) 1 Page - National Semiconductor (TI)

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