Downloading...

内置2ch ADC, 6ch DAC和ASRC的28bit音频DSP_BU9406KS2

适用于超薄电视的音频信号处理用途的数字音频声音处理器。数字信号处理器部分采用罗姆原创的电视用音频信号处理专用DSP,性价比优异。并且,在数字输入方面内置单系统的非同步取样率转换器、模拟输入方面内置单系统的音频AD转换器,输出方面内置3系统的音频DA转换器

* 本产品是标准级的产品。本产品不建议使用的车载设备。
型号
Status
封装
包装数量
最小独立包装数量
包装形态
RoHS
BU9406KS2 供应中 SQFP-T80C 500 50 Tray Yes
 
特性:
Vcc(Min.)[V] 3.0
Vcc(Max.)[V] 3.6
Iq[mA] 60.0
I/F 2 wire port
Digital Audio I/F I2S SPDIF
Additional Feature P²Bass, P²Treble, 12band P-EQ, Surround
Number of ADCs 2
Number of DACs 6
Sampling Rate(Max.)[kHz] 48
ADC SNR(Typ.)[dB] 90
ADC THD+N[%] 0.02
DAC SNR(Typ.)[dB] 96
DAC THD+N[%] 0.0050
Multi Input Stereo 4
Volume Range +6to-121 dB
Volume Step 0.5
Tone Control Band 12 Band P-EQ
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
特点:
  • ・ 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.)
 
 
New Products:
 
 
技术信息
Application Note

Thermal Resistance