KA348 Просмотр технического описания (PDF) - Fairchild Semiconductor

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KA348

Quad Operational Amplifier

Fairchild Semiconductor 

KA248/KA348

Quad Operational Amplifier

www.fairchildsemi.com

Features

• KA741 OP Amp operating characteristics

• Low supply current drain

• Class AB output stage no crossover distortion

• Pin compatible with the KA324 & KA3403

• Low input offset voltage : 1mV Typ.

• Low input offset current : 4nA Typ.

• Low input bias current : 30nA Typ.

• Gain bandwidth (unity gain): 1.0MHz Typ.

• High degree of isolation between amplifiers: 120dB

• Overload protection for inputs and outputs

Description

The KA248/KA348 is a true quad KA741. It consists of four

independent, high gain, internally compensated, low power

operational amplifiers which have been designed to provide

functional characteristics identical to those of the familiar

KA741 operational amplifier. In addition the total supply

current for all four amplifiers is comparable to the supply

current of a single KA741 type OP Amp. Other features

include input offset currents and input bias current which are

much less than those of a standard KA741. Also, excellent

isolation between amplifiers has been achieved by

independently biasing each amplifier and using layout

techniques which minimize thermal coupling.

14-DIP

Internal Block Diagram

1

14-SOP

1

©2001 Fairchild Semiconductor Corporation

Rev. 1.0.1

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