BA7781K - Stereo microphone amplifier for camcorders

Rohm

Datasheet Details

Pin No..

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 OUT L PRE OUT L INV OUT L MTX IN L MODE 24 HPF IN L 18 WND 15dB DET NOR INV IN L 24 EXT IN L 25 EXT BG 26 INT IN L 27 GND REG GND 28 VREG 29 INT 23 22 21 20 19 17 16 DET OUT 15 DET IN 1.

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Rohm BA7781K-like datasheet

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