LMC6001AMWC

更新时间： 2024-01-15 18:52:32

品牌	Logo	应用领域
美国国家半导体 - NSC		放大器
页数	文件大小	规格书
14页	308K
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LMC6001AMWC 数据手册

March 1995

LMC6001

Ultra Ultra-Low Input Current Amplifier

can achieve higher signal to noise ratio than JFET input type

electrometer amplifiers. Other applications of the LMC6001

include long interval integrators, ultra-high input impedance

instrumentation amplifiers, and sensitive electrical-field mea-

surement circuits.

General Description

Featuring 100% tested input currents of 25 fA max., low op-

erating power, and ESD protection of 2000V, the LMC6001

achieves a new industry benchmark for low input current op-

erational amplifiers. By tightly controlling the molding com-

pound, National is able to offer this ultra-low input current in

a lower cost molded package.

Features

(Max limit, 25˚C unless otherwise noted)

n Input current (100% tested): 25 fA

n Input current over temp.: 2 pA

n Low power: 750 µA

To avoid long turn-on settling times common in other low in-

put current opamps, the LMC6001A is tested 3 times in the

first minute of operation. Even units that meet the 25 fA limit

are rejected if they drift.

√

n Low V_OS

350 µV

Because of the ultra-low input current noise of 0.13 fA/ Hz,

the LMC6001 can provide almost noiseless amplification of

high resistance signal sources. Adding only 1 dB at 100 kΩ,

0.1 dB at 1 MΩ and 0.01 dB or less from 10 MΩ to 2,000 MΩ,

the LMC6001 is an almost noiseless amplifier.

√

n Low noise: 22 nV/ Hz 1 kHz Typ.

Applications

n Electrometer amplifier

n Photodiode preamplifier

n Ion detector

The LMC6001 is ideally suited for electrometer applications

requiring ultra-low input leakage such as sensitive photode-

tection transimpedance amplifiers and sensor amplifiers.

n A.T.E. leakage testing

√

Since input referred noise is only 22 nV/ Hz, the LMC6001

Connection Diagrams

8-Pin DIP

8-Pin Metal Can

DS011887-1

Top View

DS011887-2

Top View

DS011887

www.national.com

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