The BA7781K allows construction of a stereo-microphone amplifier for camcorder use with a minimum number of external components. The IC has a built-in wind-noise detection circuit, and wind-noise rejection filter. The filter circuit is controlled automatically. The IC can operate off a 3.0V power supply.

Features

1) Operates off a 3.0V to 5.25V power supply.

2) Automatic wind-noise rejection circuit.

3) Matrix circuit for stereo emphasis.

4) Automatic switching circuit for external microphones, built-in external monaural decision circuit, and input switch mode decision circuit.

Applications

Camcorders