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NJM2775A - Audio Amplifier

Description

The NJM2775A is a pre&power amplifier with ALC designed for micro and compact cassette recorders.

It contains pre-amplifier, ALC circuit, power amplifiers, and ripple filter.

The pre-amplifier amplifies the signal come from magnetic head.

Features

  • qOperating Voltage qOperating Current qOutput Power qAutomatic Level Control (ALC) Limit Level qRipple Filter R. R. (Ripple Rejection) qBipolar Technology qPackage Outline V =1.8 to 6.0V 9mA typ. + 350mW typ. at V =3V,RL=4Ω,THD=10% 200mVrms typ. , at f=1kHz 47dB typ. , at f=200Hz,C=47µF + DMP16 s PIN.

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www.DataSheet4U.com NJM2775A PRELIMINARY s PACKAGE OUTLINE PRE&HI-POWER AMPLIFIER with ALC for PORTABLE TAPE RECORDER s GENERAL DESCRIPTION The NJM2775A is a pre&power amplifier with ALC designed for micro and compact cassette recorders. It contains pre-amplifier, ALC circuit, power amplifiers, and ripple filter. The pre-amplifier amplifies the signal come from magnetic head. The ALC circuit limits the input signal to optimize level in recording. The power amplifiers drive a speaker in play back and the magnetic head in recording. The ripple filter stabilizing the supply voltage to the internal pre-amplifier and an external condenser microphone. The NJM2775A improves high output power compared with the NJM2128.
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