LMC6484

更新时间： 2024-11-04 22:47:03

品牌	Logo	应用领域
美国国家半导体 - NSC		运算放大器
页数	文件大小	规格书
22页	975K
描述
CMOS Quad Rail-to-Rail Input and Output Operational Amplifier

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LMC6484 数据手册

May 1999

LMC6484

CMOS Quad Rail-to-Rail Input and Output Operational

Amplifier

General Description

Features

The LMC6484 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.

(Typical unless otherwise noted)

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

(Guaranteed Over Temperature)

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

100 kΩ load)

n Guaranteed 3V, 5V and 15V Performance

n Excellent CMRR and PSRR: 82 dB

n Ultra Low Input Current: 20 fA

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

a large input signal range. The LMC6484 is also an excellent

upgrade for circuits using limited common-mode range am-

plifiers such as the TLC274 and TLC279.

Maximum dynamic signal range is assured in low voltage

and single supply systems by the LMC6484’s rail-to-rail out-

put swing. The LMC6484’s rail-to-rail output swing is guaran-

teed for loads down to 600Ω.

n High Voltage Gain (R_L500 kΩ): 130 dB

n Specified for 2 kΩ and 600Ω loads

Applications

Guaranteed low voltage characteristics and low power dissi-

pation make the LMC6484 especially well-suited for

battery-operated systems.

n Data Acquisition Systems

n Transducer Amplifiers

n Hand-held Analytic Instruments

n Medical Instrumentation

See the LMC6482 data sheet for a Dual CMOS operational

amplifier with these same features.

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

Meter, Current Source

n Improved Replacement for TLC274, TLC279

3V Single Supply Buffer Circuit

Rail-to-Rail Input

Rail-to-Rail Output

DS011714-3

DS011714-1

DS011714-2

DS011714

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