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BA7781K

Rohm
Part Number BA7781K
Manufacturer Rohm
Description Stereo microphone amplifier for camcorders
Published Mar 26, 2005
Detailed Description Video ICs Stereo microphone amplifier for camcorders BA7781K The BA7781K allows construction of a stereo-microphone amp...
Datasheet PDF File BA7781K PDF File

BA7781K
BA7781K

Overview
Video ICs Stereo microphone amplifier for camcorders BA7781K 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.
Applications • Camcorders 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.
•Block diagram MTX OU...


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