LM148QML

Quad 741 Op Amps

General Description

The LM148 is a true quad LM741. It consists of four inde-

pendent, high gain, internally compensated, low power op-

erational amplifiers which have been designed to provide

functional characteristics identical to those of the familiar

LM741 operational amplifier. In addition the total supply

current for all four amplifiers is comparable to the supply

current of a single LM741 type op amp. Other features

include input offset currents and input bias current which are

much less than those of a standard LM741. Also, excellent

isolation between amplifiers has been achieved by indepen-

dently biasing each amplifier and using layout techniques

which minimize thermal coupling.

The LM148 can be used anywhere multiple LM741 or

LM1558 type amplifiers are being used and in applications

where amplifier matching or high packing density is required.

Features

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741 op amp operating characteristics

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Class AB output stage — no crossover distortion

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Pin compatible with the LM124

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Overload protection for inputs and outputs

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Low supply current drain:

0.6 mA/Amplifier

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Low input offset voltage:

1 mV

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Low input offset current:

4 nA

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Low input bias current

30 nA

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High degree of isolation between amplifiers:

120 dB

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Gain bandwidth product (unity gain):

1.0 MHz

Ordering Information

NS PART NUMBER

SMD PART NUMBER

NS PACKAGE NUMBER

PACKAGE DESCRIPTION

LM148E/883

E20A

20LD LEADLESS CHIP CARRIER

LM148J/883

J14A

14LD CERDIP

Connection Diagrams

20120502

Top View

See NS Package Number J14A

February 2005

© 2005 National Semiconductor Corporation

DS201205

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