LMV712LD datasheet(1/14 Pages) NSC

Teilenummer	LMV712LD

Bauteilbeschribung	Low Power, Low Noise, High Output, RRIO Dual Operational Amplifier with Independent Shutdown

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Hersteller	NSC [National Semiconductor (TI)]

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LMV712

Low Power, Low Noise, High Output, RRIO Dual

Operational Amplifier with Independent Shutdown

General Description

The LMV712 duals are high performance BiCMOS opera-

tional

amplifiers

intended

for

applications

requiring

Rail-to-Rail inputs combined with speed and low noise. They

offer a bandwidth of 5MHz and a slew rate of 5V/µs and can

handle capacitive loads of up to 200pF without oscillation.

The LMV712 offers two independent shutdown pins. This

feature allows disabling of each device separately and re-

duces the supply current to less than 1µA typical. The output

voltage rapidly ramps up smoothly with no glitch as the

amplifier comes out of the shutdown mode.

The LMV712 with the shutdown feature is offered in space

saving 10-Bump micro SMD and 10 pin Leadless Leadframe

Package (LLP) packages. It is also offered in 10 lead MSOP

package. These packages are designed to meet the de-

mands of small size, low power, and low cost required by

cellular phones and similar battery operated portable elec-

tronics.

Features

(Typical Unless Otherwise Noted)

n

5 MHz GBP

n

Slew rate 5 V/µs

n

Low noise 20nV/

n

Supply current 1.22mA/channel

n

V

OS< 3mV max.

n

Low supply voltage 2.7V to 5V.

n

Rail-to-Rail inputs and outputs.

n

Unity gain stable.

n

Small package: 10-Pin LLP, 10-Pin MSOP and 10-Bump

micro SMD

n

1.5µA shutdown I

CC

n

2.2µs turn on

Applications

n

Power amplifier control loop

n

Cellular phones

n

Portable equipment

n

Wireless LAN

n

Radio systems

n

Cordless phones

Typical Application Circuit

10137034

P.A. Control Loop

Output Waveform vs. Shutdown

Pulse

10137030

February 2002

DS101370

www.national.com

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