BD9406KS2 - ROHM

BD9406KS2 28bit Audio DSP

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 converter.

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.