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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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ES9820Q Fiches technique(PDF) 11 Page - ESS Technology,Inc |
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ES9820Q Fiches technique(HTML) 11 Page - ESS Technology,Inc |
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11 / 117 page  • CONFIDENTIAL ADVANCE INFORMATION 0.3 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 WWW.ESSTECH.COM 11 ES9820 Product Datasheet Volume Control This volume control is intended for use during audio playback. Each channel can be digitally attenuated from 0dB to –84dB in 0.5dB steps. The attenuation circuit automatically uses micro-stepping between 0.5dB register settings so that no switching noise occurs during the volume control transition. When a new volume level is set, the attenuation circuit will ramp softly to the new level. Each 0.5dB step takes up to 64 intermediate steps depending on the CHx VOLUME RATE setting. Volume Level Configuration Registers • Register 109-110: ADC CH1 VOLUME • Register 126-127: ADC CH2 VOLUME Volume Rate Configuration Registers • Register 111: ADC CH1 VOLUME RATE • Register 128: ADC CH2 VOLUME RATE |
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