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SC7314
4-CH OUTPUT STEREO AUDIO PROCESSOR WITH 4 STEREO INPUTS AND TONE/VOLUME CONTROL

The  SC7314 is a volume, tone (bass and treble), balance (left/ right) and fader (front/rear) processor for quality audio applications in car radio and Hi-Fi systems. Selectable input gain and external loudness function are provided. Control is accomplished by serial I2C bus microprocessor interface. The AC signal settings is obtained by resistor networks and switches combined with operational amplifiers. Due to the Used CMOS technology, low distortion,  low noise and low DC stepping are obtained.


Main feature

Input multiplexer:

  •  4 stereo inputs

  •  Selectable input gain for optimal adaptation to different sources 

Four speaker attenuators:

  •  4 independent speakers control in 1.25dB steps for  balance and fader facilities

  •  Independent mute function

All functions programmable via serial I2C Bus

Loudness function

Volume control in 1.25dB steps

Treble and bass control

Input and output for external equalizer or  noise reduction system


Block Diagram

7314.png

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