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BD9406KS2 - 28bit Audio DSP

General Description

This LSI is the digital sound processor which made the use digital signal processing for FPD TVs.

DSP of ROHM original is used for the TV sound processor unit, and it excels in cost performance.

The asynchronous sampling rate converter is built in the digital input one line.

Key Features

  • Digital Signal Processor unit Word length: 28bit (Data RAM) The fastest machine Cycle: 40.7ns (512fs, fs=48kHz) Multiplier: 28x24 → 52 bit Adder: 28+28 → 28bit Data RAM: 256x28bit Coefficient RAM: 128x24bit Sampling Frequency: fs=48kHz Master Clock: 512fs (24.576Mhz, fs=48kHz).
  • Digital Signal Input (Stereo 4 lines): 16/20/24bit (I2S, Left-Justified, Right-Justified) Digital Signal Output (Stereo 4 lines): 16/20/24.

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Datasheet Details

Part number BD9406KS2
Manufacturer ROHM
File Size 780.74 KB
Description 28bit Audio DSP
Datasheet download datasheet BD9406KS2 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Digital Sound Processors for FPD TVs 28bit Audio DSP with Built-in 2ch ADC, 6ch DAC and ASRC BD9406KS2 No.12083EAT01 ●General Description This LSI is the digital sound processor which made the use digital signal processing for FPD TVs. DSP of ROHM original is used for the TV sound processor unit, and it excels in cost performance. The asynchronous sampling rate converter is built in the digital input one line. The audio AD converter is built in the analog input one line. The audio DA converters are built in the output three lines. ●Features ■ Digital Signal Processor unit Word length: 28bit (Data RAM) The fastest machine Cycle: 40.