BU9406KS2中文资料内置2ch ADC, 6ch DAC和ASRC的28bit音频DSP数据手册ROHM规格书

特性 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): 16/20/24bit (I2S, Left-Justified, Right-Justified, S/PDIF)
・ Asynchronous Sampling Rate Converter (Stereo 1 line): 32kHz/44.1kHz → 48kHz
・ Audio ADC: Stereo Input 1 line 20bit 64 x Over-sampling sigma delta ADC S/N: 90dB THD+N: 0.02% (Sine-wave 1kHz, -0.5dB) Digital HPF (fc=1Hz)
・ Audio DAC: Stereo Output 2 lines 24bit 8x Over-sampling digital filter + 1bit sigma delta DAC S/N: 96dB THD+N: 0.005% (Sine-wave 1kHz, 0dB)
・ Audio 16bit DAC: Stereo Output 1 line 24bit 8x Over-sampling digital filter + Audio 16bit DAC S/N: 90dB THD+N: 0.03% (Sine-wave 1kHz, 0dB)
・ The sound signal processing function for FPD TVs Pre-scaler, Channel Mixer, Pseudo Stereo, Surround, P2Bass, SAS,12-band parametric EQ, Master Volume, L/R Balance, Compression, Post-scaler, Output Signal Clipper (P2Bass and SAS are ROHM’s own sound effect functions.)

简介

BU9406KS2属于集成电路（IC）的DSP（数字信号处理器）。由制造生产的BU9406KS2DSP（数字信号处理器）数字信号处理器是类似于微处理器或微控制器的器件，但区别在于其内部架构经修改，适用于对连续数据流连续执行以乘法和加法运算为主的算法，而不是以条件逻辑或大量并发进程为主的算法。该器件通常用于诸如音频或视频信号处理等应用。