Introduction to the application circuit of the sound circuit DG1353

The DG1353 is a monolithic TV audio channel integrated circuit that includes an audio output stage . It features three levels of sound-limited mid-range, low-pass filtering, small volume control, differential peak-frequency detection, DC volume control, and audio preamplification. Ripple filtering, audio amplifier output, etc. DC volume control range up to 80DB and with grounding heat sink (TAB). Application examples are shown in the figure.

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DG1353C block diagram and peripheral circuit diagram

DG1353 voltage value of each foot during normal operation

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