32bit Audio DSP with Built-in 4ch DAC and ASRC - BU9408KS2

This LSI is the digital sound processor which madethe 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. A selection input of twolines is possible from four digital inputs. An asynchronous sampling rate converter(ASRC) is built in one line. Three digitaloutputs are built in.Two audio DA converters are built in.

Part NumberStatusPackageUnit QuantityMinimum Package QuantityPacking TypeRoHS
BU9408KS2ActiveSQFP-T5210001000TrayYes

BU9408KS2 Data Sheet

Specifications
Vcc(Min.)[V]3.0
Vcc(Max.)[V]3.6
Iq[mA]40.0
I/F2 wire port
Digital Audio I/FI2S SPDIF
Additional FeatureP²Volume, P²Bass, P²Treble, 7band P-EQ, 3band Tone, Surround
Number of DACs4
Sampling Rate(Max.)[kHz]48
DAC SNR(Typ.)[dB]96
DAC THD+N[%]0.0050
Multi InputStereo 3
Volume Range+24to-103 dB
Volume Step0.5
Tone Control BandBASS, Middle, Treble
Operating Temperature (Min.)[°C]-25
Operating Temperature (Max.)[°C]85
Applications
  • TV
Technical Documents
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Application Note BA12004BF
Package Information BH7649KS2
Package Information BH7649KS2
Part Explanation BA12004BF