LM6482 National Semiconductor, LM6482 Datasheet

LM6482

Manufacturer Part Number

LM6482

Description

CMOS Dual Rail-To-Rail Input and Output Operational Amplifier

Manufacturer

National Semiconductor

Datasheet

1.LM6482.pdf (22 pages)

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LMC6482

CMOS Dual Rail-To-Rail Input and Output Operational

Amplifier

General Description

The LMC6482 provides a common-mode range that extends

to both supply rails. This rail-to-rail performance combined

with excellent accuracy, due to a high CMRR, makes it

unique among rail-to-rail input amplifiers.

It is ideal for systems, such as data acquisition, that require

a large input signal range. The LMC6482 is also an excellent

upgrade for circuits using limited common-mode range am-

plifiers such as the TLC272 and TLC277.

Maximum dynamic signal range is assured in low voltage

and single supply systems by the LMC6482’s rail-to-rail out-

put swing. The LMC6482’s rail-to-rail output swing is guaran-

teed for loads down to 600 .

Guaranteed low voltage characteristics and low power dissi-

pation make the LMC6482 especially well-suited for

battery-operated systems.

LMC6482 is also available in MSOP package which is al-

most half the size of a SO-8 device.

See the LMC6484 data sheet for a Quad CMOS operational

amplifier with these same features.

3V Single Supply Buffer Circuit

Connection Diagram

Rail-To-Rail Input

DS011713-1

DS011713

Features

(Typical unless otherwise noted)

n Rail-to-Rail Input Common-Mode Voltage Range

n Rail-to-Rail Output Swing (within 20 mV of supply rail,

n Guaranteed 3V, 5V and 15V Performance

n Excellent CMRR and PSRR: 82 dB

n Ultra Low Input Current: 20 fA

n High Voltage Gain (R

n Specified for 2 k

n Available in MSOP Package

Applications

n Data Acquisition Systems

n Transducer Amplifiers

n Hand-held Analytic Instruments

n Medical Instrumentation

n Active Filter, Peak Detector, Sample and Hold, pH

n Improved Replacement for TLC272, TLC277

(Guaranteed Over Temperature)

100 k

Meter, Current Source

DS011713-2

load)

DS011713-4

and 600

= 500 k ): 130 dB

loads

Rail-To-Rail Output

November 1997

www.national.com

DS011713-3

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