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32bit Audio DSP - BU9409FV

It is a digital audio sound processor used for thin TV. Digital signal processor is Rohm original DSP only for TVsound signal processing, and it’s cost performance is excellent. Digital inputs are two lines. Output is digital outputcorresponding to 2.1ch or play of sub-voice L/R signal.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
número de peça
Estado de Condição
pacote
Quantidade Unidade
Quantidade mínima Package
tipo de embalagem
RoHS
BU9409FV-E2 Active SSOP-B40 2000 2000 Taping sim
 
especificações:
Vcc(Min.)[V] 3.0
Vcc(Max.)[V] 3.6
Iq[mA] 15.0
I/F 2 wire port
Digital Audio I/F I2S SPDIF
Additional Feature P²Volume, P²Bass, P²Treble, 7band P-EQ, 3band Tone, Surround
Sampling Rate(Max.)[kHz] 48
Multi Input Stereo 2
Volume Range +24to-103 dB
Volume Step 0.5
Tone Control Band BASS, Middle, Treble
Operating Temperature (Min.)[°C] -25
Operating Temperature (Max.)[°C] 85
características:
  • ・ 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 Prescaler, DC cut HPF, channel mixer, P2Volume(Perfect Pure Volume),BASS,MIDDLE, TREBLE, pseudo stereo, surround, P2Bass, P2Treble, 7 band parametric equalizer, master volume, L/R balance, postscaler, output clipper, subwoofer output processing (P2Volume,P2Bass,P2Treble are Rohm original sound effect functions.)
 
 
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Application Note

Thermal Resistance