BA7781K - Stereo microphone amplifier for camcorders

Product Overview

Rohm

Part number	BA7781K
Manufacturer	ROHM
File Size	121.12 KB
Description	Stereo microphone amplifier for camcorders
Datasheet	BA7781K Datasheet
Additional preview pages of the BA7781K datasheet.

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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Published: Mar 26, 2005 |