Part Number
|
BA7781K |
Manufacturer
|
Rohm |
Description
|
Stereo microphone amplifier for camcorders |
Published
|
Mar 26, 2005 |
Detailed Description
|
Video ICs
Stereo microphone amplifier for camcorders
BA7781K
The BA7781K allows construction of a stereo-microphone amp...
|
Datasheet
|
BA7781K
|
Overview
Video ICs
Stereo microphone amplifier for camcorders
BA7781K
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.
Applications • Camcorders
Features • 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 OU...
Similar Datasheet