LPC661 datasheet(1/13 Pages) NSC

Il numero della parte	LPC661

Spiegazioni elettronici	Low Power CMOS Operational Amplifier

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Produttore elettronici	NSC [National Semiconductor (TI)]

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LPC661

Low Power CMOS Operational Amplifier

General Description

The LPC661 CMOS operational amplifier is ideal for opera-

tion from a single supply. It features a wide range of operat-

ing supply voltage from +5V to +15V, rail-to-rail output swing

and an input common-mode range that includes ground.

Performance limitations that have plagued CMOS amplifiers

in the past are not a problem with this design. Input V

OS,

drift, and broadband noise as well as voltage gain (into 100

k

Ω and 5 kΩ) are all equal to or better than widely accepted

bipolar equivalents, while the supply current requirement is

typically 55 µA.

This chip is built with National’s advanced Double-Poly

Silicon-Gate CMOS process.

See the LPC660 datasheet for a Quad CMOS operational

amplifier or the LPC662 data sheet for a Dual CMOS opera-

tional amplifier with these same features.

Features

(Typical unless otherwise noted)

n Rail-to-rail output swing

n Low supply current

55 µA

n Specified for 100 k

Ω and5kΩ loads

n High voltage gain

120 dB

n Low input offset voltage

3 mV

n Low offset voltage drift

1.3 µV/˚C

n Ultra low input bias current

2 fA

n Input common-mode range includes GND

n Operating range from +5V to +15V

n Low distortion

0.01% at 1 kHz

n Slew rate

0.11 V/µs

Applications

n High-impedance buffer

n Precision current-to-voltage converter

n Long-term integrator

n High-impedance preamplifier

n Active filter

n Sample-and-Hold circuit

n Peak detector

Connection Diagram

Ordering Information

Package

Temperature Range

NSC

Drawing

Transport

Media

Military

Industrial

−55˚C to +125˚C

−40˚C to +85˚C

8-Pin

LPC661AIM

M08A

Tape and Reel

Small Outline

LPC661IM

Rail

8-Pin

LPC661AMN

LPC661AIN

N08E

Rail

Molded DIP

LPC661IN

8-Pin DIP/SO

DS011227-1

May 1998

DS011227

www.national.com

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