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BU9409FV - 32bit Audio DSP

Description

It is a digital audio sound processor used for thin TV.

Digital signal processor is Rohm original DSP only for TV sound signal processing, and it’s cost performance is excellent.

Digital inputs are two lines.

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Features

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  • DSP Part Data width: 32bit (Data RAM) Quickest machine cycle:40.7ns (512fs,fs=48kHz) Multiplier: 32 x 24 → 56bit Adder: 32 + 32 → 32bit Data RAM: 256 x 32bit Coefficient RAM: 128 x 24bit Sampling frequency: fs=48kHz Master clock: 512fs （24.576MHz,fs=48kHz）.
  • Input output I/F 2 stereo digital signal input port : 16/20/24bit (I2S,left-align,right-align) 2 stereo digital signal output port : 16/20/24bit (I2S,left-align,right-align), S/PDIF output.
  • Sound signal processing function for TV.

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Datasheet Details

Part number BU9409FV
Manufacturer ROHM
File Size 1.05 MB
Description 32bit Audio DSP
Datasheet download datasheet BU9409FV Datasheet

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Full PDF Text Transcription

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Digital Sound Processors for FPD TVs 32bit Audio DSP BU9409FV No.12083EAT03 ●General Description It is a digital audio sound processor used for thin TV. Digital signal processor is Rohm original DSP only for TV sound signal processing, and it’s cost performance is excellent. Digital inputs are two lines. Output is digital output corresponding to 2.1ch or play of sub-voice L/R signal. ●Features ■DSP Part Data width: 32bit (Data RAM) Quickest machine cycle:40.7ns (512fs,fs=48kHz) Multiplier: 32 x 24 → 56bit Adder: 32 + 32 → 32bit Data RAM: 256 x 32bit Coefficient RAM: 128 x 24bit Sampling frequency: fs=48kHz Master clock: 512fs （24.
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