1/4 rev. a structure silicon monolithic integrated circuit product name usb host mp3 decoder lsi type BU94601KV applications audio products, etc. functions BU94601KV is mp3 decoder ic which contai ns usb host and sd card i/f, audio dac, system controller, regulator fo r internal core power supply. ? usb2.0 full speed host i/f function contained. ? sd card i/f function contained. ? i 2 c i/f function contained. ? fat analysis function contained. ? mp3 decode function contained. (available for mpeg1, 2 and 2.5, layer 1, 2 and 3) ? sample rate converter contained. ? system controller contained. ? led controller contained. ? key matrix controller contained. ? stand alone mode contained. ? external processor can control. ? audio dac contained. ? sound effect function contained. ? digital audio out(i 2 s, s/pdif) function contained. ? file name, folder name sorting. ? id3tag analysis. ? reading a specified file data is possible from usb memory. ? lun is selectable. ? regulator for internal core power supply contained. ? vqfp64pin(0.5mm pitch) absolute maximum ratings (ta = 25 ) parameter symbol limits unit comment supply voltage(analog, i/o) vdd1max -0.3 4.5 v dvddio, vdd_pll, davdd, avddc input voltage vin -0.3 vdd1 + 0.3 v storage temperature range tstg -55 125 operating temperature range topr -40 85 power dissipation *1 pd 750 mw *1 in the case of use at ta=25 or more, 7.5mw should be reduced per 1 . radiation resistance design is not arranged. operating conditions (ta = 25 ) parameter symbol limits unit comment supply voltage(analog, i/o) vdd1 3.0 3.6 v dvddio,vdd_pll, davdd, avddc
circuit current (vdd1 usb1) idd1usb1 - 65 80 ma *1 when usb memory is played. circuit current (vdd1 sd1) idd1sd1 - 35 50 ma *1 when sd card is played. h-level input voltage vih vdd1*0.7 vdd1 v *3 l-level input voltage vil dvss vdd1*0.3 v *3 h-level output voltage1 voh1 vdd1-0.4 vdd1 v ioh=-1.6ma, *4 l-level output voltage1 vol1 0 0.4 v iol=1.6ma. *4 h-level output voltage2 voh2 vdd1-0.4 vdd1 v ioh=-3.6ma, *5 l-level output voltage2 vol2 0 0.4 v iol=3.6ma, *5 h-level output voltage3 voh3 vdd1-0.4 vdd1 v ioh=-0.6ma, *6 l-level output voltage3 vol3 0 0.4 v iol=0.6ma, *6 h-level output voltage4 voh4 vdd1-1.0 vdd1 v ioh=-0.6ma, *7 l-level output voltage4 vol4 0 1.0 v iol=0.6ma, *7 h-level input voltage vihusb vdd1*0.6 vdd1 v *8 l-level input voltage vilusb avssc vdd1*0.3 v *8 output impedance(h) zoh 22.0 45.0 60.0 *8 output impedance(l) zol 22.0 45.0 60.0 *8 h-level output voltage vohusb vdd1-0.5 vdd1 v *8 l-level output voltage volusb 0 0.3 v *8 rise/fall time tr/tf 11 ns *8, output capacity 50pf voltage of crossing point vcrs vdd1/2 v *8, output capacity 50pf range of differential input vdiff 0.8 2.5 v *8 differential input sensitivity vsens 0.2 v *8 pull-down resistance rpd 14.25 15.0 24.8 k *8 distortion rate thd 0.02 % 1khz, 0db, sine, *9 dynamic range dr 88 db 1khz, -60db, sine, *9 s/n ratio s/n 96 db *9 max output level vsmax 0.92 vrms 1khz, 0db, sine, *9 *1 3.3v system i/o, analog power supply(vdd1), 1khz, 0db, sine-wave playing *3 1-17, 19-20, 25-26, 40, 49-52, 56, 58-61, 63 pin *4 10-11, 14-16, 48-55 pin *5 13 pin *6 21-23, 26 pin *7 41 pin *8 33, 34 pin *9 44, 46 pin
