The TDA7313 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 I2 C bus microprocessor interface. The AC signal setting is obtained by resistor networks and switches combined with operational amplifiers. Thanks to the used BIPOLAR/CMOS Technology, Low Distortion, Low Noise and Low DC stepping are obtained.

Features:

• Input Multiplexer:

- 3 Stereo Inputs

- Selectable Input Gain For Optimal Adaption To Different Sources

• Input And Output For External Equalizer Or Noise Reduction System
• Loudness Function
• Volume Control In 1.25Db Steps
• Treble And Bass Control
• Four Speaker Attenuators

- 4 Independent Speakers Control In 1.25Db Steps For Balance And Fader Facilities

- Independent Mute Function

• All Functions Programmable Via Serial I2 C Bus

Package: SO28

Datasheet: https://datasheetspdf.com/pdf-file/378814/STMicroelectronics/TDA7313/1