Datasheet > LM343

LM343

更新时间： 2024-10-01 22:51:55

品牌	Logo	应用领域
美国国家半导体 - NSC		运算放大器高压
页数	文件大小	规格书
12页	230K
描述
High Voltage Operational Amplifier

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LM343 数据手册

February 1995

LM143/LM343 High Voltage

Operational Amplifier

General Description

The LM143 is a general purpose high voltage operational

Features

4.0V to 40V

Wide supply voltage range

amplifier featuring operation to 40V, complete input over-

voltage protection up to 40V and input currents compara-

Large output voltage swing

37V

38V

Wide input common-mode range

ble to those of other super-b op amps. Increased slew rate,

together with higher common-mode and supply rejection,

insure improved performance at high supply voltages. Oper-

ating characteristics, in particular supply current, slew rate

and gain, are virtually independent of supply voltage and

temperature. Furthermore, gain is unaffected by output

loading at high supply voltages due to thermal symmetry on

the die. The LM143 is pin compatible with general purpose

op amps and has offset null capability.

Full 40V

Input overvoltage protection

Supply current is virtually independent of supply voltage

and temperature

Unique Characteristics

Low input bias current

8.0 nA

1.0 nA

Low input offset current

High slew rateÐessentially independent of temperature

and supply voltage 2.5V/ms

High voltage gainÐvirtually independent of resistive

Application areas include those of general purpose op

amps, but can be extended to higher voltages and higher

output power when externally boosted. For example, when

used in audio power applications, the LM143 provides a

power bandwidth that covers the entire audio spectrum. In

addition, the LM143 can be reliably operated in environ-

ments with large overvoltage spikes on the power supplies,

where other internally-compensated op amps would suffer

catastrophic failure.

loading, temperature, and supply voltage

Internally compensated for unity gain

Output short circuit protection

100k min

Pin compatible with general purpose op amps

The LM343 is similar to the LM143 for applications in less

severe supply voltage and temperature environments.

Connection Diagram

Metal Can Package

Top View

TL/H/7783–1

Order Number LM143H, LM143H/883* or LM343H

See NS Package Number H08C

*Available per SMD 7800303

1995 National Semiconductor Corporation

TL/H/7783

RRD-B30M115/Printed in U. S. A.

12 3 4 5 6 7...12

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LM343-100.00M	CONNOR-WINFIELD	获取价格	LVDS Output Clock Oscillator, 100MHz Nom, ROHS COMPLIANT, HERMETIC SEALED, CERAMIC PACKAGE
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