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BA7780KV - Stereo zoom microphone amplifier for camcorders

General Description

Pin No.

Key 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 Details

Part number BA7780KV
Manufacturer ROHM
File Size 144.93 KB
Description Stereo zoom microphone amplifier for camcorders
Datasheet download datasheet BA7780KV Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.