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BA7780KV - Stereo zoom microphone amplifier for camcorders

Datasheet Summary

Description

Pin No.

Features

  • an electronic volume circuit for presetting the curve required for the stereo zoom function, a microphone element power supply regulator, a wind-noise rejection filter, a current limiting circuit for external accessory power supplies, and an input for external microphone input. The IC operates off a 3.3V power supply.

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Datasheet preview – BA7780KV

Datasheet Details

Part number BA7780KV
Manufacturer ROHM
File Size 144.93 KB
Description Stereo zoom microphone amplifier for camcorders
Datasheet download datasheet BA7780KV Datasheet
Additional preview pages of the BA7780KV datasheet.

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Full PDF Text Transcription

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Video ICs Stereo zoom microphone amplifier for camcorders BA7780KV The BA7780KV is a microphone amplifier developed for use in camcorders. The IC features an electronic volume circuit for presetting the curve required for the stereo zoom function, a microphone element power supply regulator, a wind-noise rejection filter, a current limiting circuit for external accessory power supplies, and an input for external microphone input. The IC operates off a 3.3V power supply. Applications • Camcorders Features • 1) Operates off a 3.0V to 5.25V power supply. 2) Zoom microphone processing function on one chip. 3) Built-in electronic volume for external setting of sensitivity and control voltage. 4) Adjustable microphone element sensitivity. 5) Matrix amplifier for stereo emphasis.
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