NJM2794

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Ground Noise Isolation Amplifier

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s GENERAL DESCRIPTION

The NJM2794 is a ground noise isolation amplifier designed

for car audio system. It contains dual channel differential

amplifier.

It is developed for those car audio applications where long

connections between head unit and other components are

necessary and ground noise has to be eliminated.

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s FEATURES

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Dual Channel Differential Amplifier

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Operating Voltage

4.3 to 13V

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Operating Current

14mA typ.

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Common mode rejection ratio

CMRR=60dB typ.

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Maximum Output Voltage

2Vrms min., @ THD=0.1%

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Supply Voltage Rejection Ratio

60dB typ.

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Total Harmonic Distortion

0.002% typ.

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Noise Output Voltage

1.3

µVrms typ.

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Bipolar Technology

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Package Outline

TVSP10, SSOP14

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s BLOCK DIAGRAM

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s PACKAGE OUTLINE

NJM2794V

NJM2794RB2

OUT2

OUT1

IN1-

IN1+

IN2+

IN2-

Vref

GND

V+