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electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. M62462FP dolby pro logic surround decoder mitsubishi sound processors ( / ) 13 outline outline 64p6n 0.8mm pich qfp (14.0mm*14.0mm*2.8mm) dolby and the double-d symbol are trademarks of dolby laboratories licensing corporation.san francisco,ca94103-4813,usa. this device available only to licensees of dolby lab. licensing and application information may be obtained from dolby lab. system configuration features input auto- balance control noise sequencer adaptive matrix s' 7khz lpf digital delay modified dolby b-nr center/ operating mode control l r c s center surround master volume lch rch cch sch lch rch center surround delay in lch in rch in data sck req mcu interface l-r l+r description the M62462FP is a single chip dolby pro logic surround decoder.this lsi has all functions necessary for dolby pro logic surround. 1 includes all functions necessary for dolby pro logic surround -adaptive matrix -input auto-balance -noise sequencer -center mode control on/off, wide/normal/phantom -modified dolby b type noise reduction -4 channel (lch/rch/cch/sch) / 3 channel (lch/rch/cch) -digital delay delay time:15.4 to 51.2msec cch/sch master volume 0 to -84db/1db step 3-lines mcu control current control oscillation circuit for system clock master volume master volume out out out out M62462FP 2
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. M62462FP dolby pro logic surround decoder mitsubishi sound processors ( / ) 13 fig.1 pin configuration lout rout cout sout cmc s'out agnd din dvdd data sck req dvss dsel out lpf1 in1 lpf1 in2 lpf1 out adint in adint out adcont dacont lpf2 in1 lpf2 in2 lpf2 out daint in daint out bnr in dbc1 dbc2 dbc3 psc3 psc6 psc2 psc5 psc1 psc4 rlc5 rlc2 rlc1 rlc4 rlc7 rlc3 rlc8 rlc6 lbpf2 lbpf1 rbpf2 rbpf1 lt rt lin rin avcc vref iref ngc3 ngc2 ngc1 test 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 vca servo auto balance selecter avcc noise sequencer full wave rectifier l+r l-r log difference amplifiers dual-time constant and threshold switches center mode control modified nr decoder b-type s c r l a/d d/a logic 10kbit sram lpf vol mcu interface lpf dvdd data sck req clk agnd s' l c r 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 l r c vca combinning networks iref vref dvss l-r bpf bpf vol l+r sw1 sw2 1 2 3 1 2 3 sw3 1 2 3 1 2 3 4 sw4 f.b. vol test s' svolin svolout cvolin cvolout 2 fbin
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. M62462FP dolby pro logic surround decoder mitsubishi sound processors ( / ) 13 fig.2 block diagram 3 noise sequencer r c l input auto-balance adaptive matrix center mode control s' selector wide normal phantom off modified bnr mcu interface lout cout sout data sck req rin lin by-pass prologic mute 10kbit sram lpf a/d d/a lpf logic digital delay din by-pass prologic mute sw1 sw2 sw3 sw4 f.b. vol 1 2 4 1 l+r l-r 2 3 master volume 3 rout 1 2 3 1 2 3 master volume 2
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. M62462FP dolby pro logic surround decoder mitsubishi sound processors ( / ) 13 4 7.functional description function description 1 fundamental function for dolby pro logic surround decoder -adaptive matrix -input auto-balance -noise sequencer -center mode control on/off wide/normal/phantom -modified dolby b type noise reduction -4ch(l,r,c,s), 3ch(l,r,c) mode switch 2 3 surround delay time circuit for space surround 4 cch/sch master volume 6 bypass switch 7 output mute 8 mcu interface controlled by 3-lines serial data from mcu including the chip address (2 bit) 9 ram for digital delay 10k-bit ram 15.4, 20.5, 25.6, 29.2msec (for dolby pro logic surround) 51.2msec (for space surround) digital delay circuit can be used for space surround such as a disco, hall or live. 0 to -84db/1db step, and - bypass the decode circuit mute the lch and rch output 10 current control oscillation circuit including the oscillation circuit without external parts. 5 feedback volume delay signal feedback volume -3 to -21 db/3db step, and -
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. M62462FP dolby pro logic surround decoder mitsubishi sound processors ( / ) 13 9.absolute maximum ratings (ta=25 c unless otherwise noted) symbol parameter conditions ratings unit vcc topr tstg supply voltage operating temperature storage temperature 10.5 -20 to +75 -40 to +125 v c 6.5 vdd v 10.recommended operating condition symbol parameter condition limits units vcc supply voltage v vdd v min typ max 9 5 8 10 4.5 5.5 5 c
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. M62462FP dolby pro logic surround decoder mitsubishi sound processors ( / ) 13 11.electrical characteristics total symbol parameter units limits min typ max test conditions icc circuit current vref reference voltage i dd circuit current no signal no signal auto-balance cpr capture range cer error collection ma ma v db db adaptive matrix vol output level accuracy relative to cch l, r, s'ch output mr matrix rejection l, r, c, s'ch output thdam total harmonic distortion l, r, c, s'ch output hram head room l, r, c, s'output snam s/n ratio 4ch mode rg=0 w ,weighted ccir/arm no signal noise sequencer vno output noise level vno noise level accuracy relative to cch db db l, r, s'ch output modified b noise reduction vgnr gain between input and vin=0dbd,f=100hz dec1 dec2 dec3 dec4 decode character 1 decode character 2 decode character 3 decode character 4 thdnr snnr rg=0 w , weighted ccir/arm vin=0dbd,f=1.0khz vin=-15dbd,f=1.4khz vin=-20dbd,f=1.4khz vin=-40dbd,f=5.0khz vin=0dbd,f=1khz hrnr head room thd=1% s/n ratio % db db db db c,s ch master volume att max maximum attenuator db -90 att=- 25 25 4.0 ? ? db db db % db 0 40 17 0.05 80 -12.5 0 -9.2 -0.1 -1.5 -3.4 -5.3 0.07 17 78 (ta=25 c,vcc=9v,v dd =5v ,cch volume=0db,at c-out 0dbd=300mvrms,f=1khz unless otherwise noted) 4ch mode digital delay gv 0 db thdd td=20msec,vin=0dbd no output noise voltage td=20msec,vi=0vrms,jis-a (sch volume=0db, 0db reference is 300mvrms/100hz at s-out) db volume step 92 0.3 % dbv 1.0 vols line(at dolby pro logic is off) thdln l,rch output 0.002 % snln s/n ratio l,rch output 100 db 6 total harmonic distortion output gain between input and output total harmonic distortion total harmonic distortion
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. M62462FP dolby pro logic surround decoder mitsubishi sound processors ( / ) 13 12.serial data control format 7 data input format d0 sck data d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 d11 d12 d13 d14 d15 req data is read at the rising edge of sck, and loaded last 16 bits at the rising edge of req. d0 d1 l h d14 d15 chip address d2 d3 d4 d5 d6 d7 d8 d9 d10 d11 d12 d13 mode set delay time sch volume noise sequencer center mode cch volume control mode contents mode set 1 normal stereo / dolby pro logic / space surround / mute 15.4, 20.5, 25.6, 29.2, 51.2 msec on / off lch / rch / cch / sch wide / normal / phantom / off 0 to -84db / 1db step and - delay time noise sequencer center mode cch/sch volume 3 4 5 control condition 9 input data effecte or not chip address 10 pro logic mode h h space surround mode pro logic mode 4ch pro logic / 3ch stereo 2 7 space surround mode input to delay l-r / (l+r)/2 / din(external) bnr on / off auto- balance l l input auto-balance on / off auto-balance 6 set to "l" test mode feedback volume -3 to -21db / 3db step and - feedback volume 8
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. M62462FP dolby pro logic surround decoder mitsubishi sound processors ( / ) 13 set conditions mode setting (d0="l",d1="l") d2 l l h h l h h condition switch normal stereo (bypass) delay time setting (d0="l,d1="h") d2 d3 l l l h h l h h condition sampling frequency 15.4msec 20.5msec 25.6msec 29.2msec 500khz 500khz 400khz 333khz d4 l l l l l l h 51.2msec 200khz d3 l dolby pro logic surround 1 2 1 3 8 space surround output mute pro logic mode setting(d0="l",d1="l") d4 l h condition 4ch pro logic 3ch stereo sw3 1 3 sw1 sw2 sw4 1 2 1 3 4 1 2to4 4 center mode setting (d0="l",d1="l") d5 d6 l l l h h l h h condition normal wide phantom off
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. M62462FP dolby pro logic surround decoder mitsubishi sound processors ( / ) 13 noise sequencer (d0="h",d1="l") d2 d3 - - l l l h h l condition noise sequencer off lch rch cch d4 l h h h sch noise sequencer on 9 space surround mode (d0="h",d1="l") d5 d6 l - h - l - h - condition switch delay input (l+r)/2 din(external) d7 l l h h - l - l-r - h - bnr off bnr on sw3 sw4 - 2 - 3 - 4 - - 2 1 auto-balance setting (d0="l",d1="h") d5 l h condition auto-balance off auto-balance on
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. M62462FP dolby pro logic surround decoder mitsubishi sound processors ( / ) 13 chip address d14 d15 l h others data read enable unable 10 d8 d9 l l h h volume level l l l l -3db feedback volume d10 l h l h l l h h h h h h l h l h -6db -9db -12db -15db -18db -21db -
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. M62462FP dolby pro logic surround decoder mitsubishi sound processors ( / ) 13 sch volume setting (d0="l",d1="l") cch volume setting (d0="l",d1="h") volume level d7 d8 d9 d10 d11 0 db l l l l l -2 db l l l l h -4 db l l l h l -6 db l l l h h -8 db l l h l l -10 db l l h l h -12 db l l h h l -14 db l l h h h -16 db l h l l l -18 db l h l l h -20 db l h l h l -22 db l h l h h -24 db l h h l l -26 db l h h l h -28 db l h h h l -30 db l h h h h -32 db h l l l l -34 db h l l l h -36 db h l l h l -40 db h l l h h -44 db h l h l l -48 db h l h l h -52 db h l h h l -56 db h l h h h -60 db h h l l l -64 db h h l l h -68 db h h l h l -72 db h h l h h -76 db h h h l l -80 db h h h l h -84 db h h h h l - h h h h h d12 d13 0 db l l -1 db l h -2 db h l -3 db h h 11 volume level
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. M62462FP dolby pro logic surround decoder mitsubishi sound processors ( / ) 13 12 13.application example dvdd mcu lin rin avcc cout sout lout rout 0.1 +5v +9v din 10 10 100 220 100k 10 220k 5600p 47 10 10 10 10 0.1 10 0.1 1 4700p 1000p 0.068 0.1 0.1 0.068 4700p 1000p 1 5600p 0.047 330k 0.68 0.22 0.22 4.7 4.7 0.22 0.22 0.1 0.047 0.047 0.1 0.1 0.022 0.022 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 vca servo auto balance selecter avcc noise sequencer full wave rectifier l+r l-r log difference amplifiers dual-time constant and threshold switches center mode control modified nr decoder b-type s c r l a/d d/a logic 10kbit sram lpf vol mcu interface lpf dvdd data sck req clk agnd s' l c r 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 l r c vca combinning networks iref vref dvss l-r bpf bpf vol l+r sw1 sw2 1 2 3 1 2 3 sw3 1 2 3 1 2 3 4 sw4 f.b. vol test s' 680p 47k 15k 0.1 680p 47k 15k 7.5k 7.5k 0.1 0.1 0.1 c1 c2 c3 c4 10 c6 10 c8 c9 c12 c13 c19 c20 c21 c23 c25 c26 c27 c29 c30 c33 c34 c35 r36 c36 c37 c38 c39 c40 c41 c42 c43 c44 c45 c46 c47 c48 c49 c50 c51 r51 ra51 c55 c52 r52 c53 r53 ra53 c54 c56 c57 c58 c59 c60 r61 c62 r63 c63 c64 r54 2 1 c32
electric mitsubishi preliminary notice ; this is not a final specification. some parametric limits are subject to change. M62462FP dolby pro logic surround decoder mitsubishi sound processors ( / ) 13 c1 c2 c3 c4 c6 c8 c9 c12 c13 c19 c20 c21 c23 c25 c26 c27 c29 c30 c32 c34 c35 c36 c37 c38 c39 c40 c41 c42 c43 c44 c45 c46 c47 c48 c49 c50 c51 c52 c53 c54 c55 c56 c60 c62 c63 c64 r36 r51 ra51 r52 r53 ra53 r54 r61 r63 c57 c58 c59 parts no. values tol. unit 10 ? 10 ? 10 ? 10 ? 10 ? 0.1 ? 10 ? 10% 10 0.1 1 ? pf 1000 pf 4700 ? ? 0.068 ? 0.1 ? 0.1 pf 0.068 4700 ? 5600 pf 1 ? ? pf pf 5% ? 5% 0.047 ? 0.68 10% 10% 0.22 10% 0.22 4.7 ? 20% 4.7 20% 10% 0.22 10% 0.22 0.1 20% ? 0.047 ? 5% 0.047 ? 5% 0.1 20% ? 0.1 20% ? 0.022 ? 5% 0.022 ? 5% values tol. unit parts no. 680 pf 5% 0.1 ? 5% 680 pf 5% 0.1 ? 5% 0.1 ? 5% 0.1 ? 5% 10 ? 10 ? 100 ? 220 ? 10 ? 10% 6800 pf 5% 330 k w 10% 47 5% 15 5% 7.5 5% 47 5% 15 5% 7.5 5% 100 1% 220 5% 5% 5% 5% 5% 5% 5% 5% 5% 14.external parts list ? ? 1000 pf 0.1 20% ? 47 ? 13 k w k w k w k w k w k w k w k w ? c33 ? 1

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