Features: Operates off a 3.0V to 5.25V power supply. Automatic wind-noise rejection circuit. Matrix circuit for stereo emphasis. Automatic switching circuit for external microphones, built-in external monaural decision circuit, and input switch mode decision circuit.Application CamcordersPinout ...
BA7781K: Features: Operates off a 3.0V to 5.25V power supply. Automatic wind-noise rejection circuit. Matrix circuit for stereo emphasis. Automatic switching circuit for external microphones, built-in extern...
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Operates off a 3.0V to 5.25V power supply.
Automatic wind-noise rejection circuit.
Matrix circuit for stereo emphasis.
Automatic switching circuit for external microphones, built-in external monaural decision circuit, and input switch mode decision circuit.
Parameter | Symbol | Limits | Unit |
Power supply voltage | Vcc |
7.0 | V |
Power dissipation | Pd | 400* | mW |
Operating temperature | Topr | 10 ~ +70 | |
Storage temperature | Tstg | 55 ~ +125 |
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.