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electric mitsubishi m65831ap/fp preliminary notice ; this is not a final specification. digital echo (digital delay) mitsubishi sound processor ic s some parametric limits are subject to change. outline features supply voltage range v cc, v dd =4.5 to 5.5v rated supply voltage recommended operating conditions ?uilt-in input / output filters, a-d and d-a conver ters, and memory realize a delay system with only a single chip ?apable of composing low-noise and low-distortion delay system at low cost by adm system (no=-92db typ, thd=0.5% typ) ?ontrol mode selections available from 2 kinds : easy mode using parallel data and microcomputer mode using serial data ?leep mode can be selected to stop ic functions ?uilt-in automatic reset circuit outline 24p4 (ap) 2.54mm pitch 600mil dip (13.0mm x 31.1mm x 3.8mm) vocal cut system configuration hpf v cc, v dd =5.0v the m65831a is an ic developed for producing echo effects added to voice signals picked up by microphone for karaoke applications. the ic has the largest memory among the digital delay series. as it? design is aimed at high performance, it is best suited to provide radio cassette tape recorders and miniature unit audio system with quality echo function. being pin compatible with the m65830cp / fp and m65843ap / fp, the m65831ap / fp is suitable for upgrading the series. outline 24p2w-a(afp) 1.27mm pitch 450mil sop (8.4mm x15.0mm x2.0mm) description 1 hpf lpf l r key control l r mix mix mix mix bass bass mix mix mic vol mic vol mic amp mic amp mic1 mic2 echo echo vol m65381ap/fp ram viss viss search ctl norm
electric mitsubishi m65831ap/fp preliminary notice ; this is not a final specification. digital echo (digital delay) mitsubishi sound processor ic s some parametric limits are subject to change. 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 v dd xin xout d1/req d2/sck d3/data d4/idsw test easy/?-com sleep d-gnd a-gnd lpf2 out lpf2 in op2 out op2 in cc2 cc1 ref op1 in op1 out lpf1 out lpf1 in vcc m65831ap/fp 2 pin configuration
electric mitsubishi m65831ap/fp preliminary notice ; this is not a final specification. digital echo (digital delay) mitsubishi sound processor ic s some parametric limits are subject to change. block diagram mod dem 48k-bit sram do0 do1 mo mi d1 1/2 vcc auto reset reset clock oscillator delc delay time control 4.7k 4.7k lpf2 op2 op1 comp lpf1 main control 23 22 21 20 18 17 16 15 14 13 d-gnd a-gnd v dd vcc sleep easy/?-com test 24 1 12 11 10 9 7 6 5 8 4 3 2 19 d3/data d4/idsw d2/sck d1/req xout xin ref lpf1 in lpf1 out op1 out op1 in cc1 cc2 op2 in op2 out lpf2 in lpf2 out unit resistance: w 3
electric mitsubishi m65831ap/fp preliminary notice ; this is not a final specification. digital echo (digital delay) mitsubishi sound processor ic s some parametric limits are subject to change. pin description no. symbol name i/o function 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 19 20 21 22 23 24 v dd x in x out d1/req d2/sck d3/data d4/idsw test easy/ ?-com sleep d gnd a gnd lpf2 out lpf2 in op2 out op2 in cc2 cc1 ref op1 in op1 out lpf1 out lpf1 in v cc digital v dd oscillator input oscillator output delay1/request delay2/shift clock delay3/serial data delay4/id switch test easy/ ?-com sleep digital gnd analog gnd low pass filter2 output low pass filter2 input op-amp2 output op-amp2 input current control 2 current control 1 reference op-amp1 output op-amp1 input low pass filter1 output low pass filter1 input analog v cc i i i i i i i i i i i i o o o o supply voltage connects to 2mhz ceramic filter easy mode:inputs d1 data ?-com mode:inputs request data easy mode:inputs d2 data ?-com mode:inputs shift clock easy mode:inputs d3 data ?-com mode:inputs serial data easy mode:inputs d4 data ?-com mode:controls id code l=normal mode h=easy mode l=?-com mode h=sleep mode l=normal mode connects to analog gnd at one point connects to analog gnd forms low pass filter with external c.r forms integrator with external c.r forms integrator with external c.r forms low pass filter with external c.r =1/2vcc supply voltage o 4 2 18
electric mitsubishi m65831ap/fp preliminary notice ; this is not a final specification. digital echo (digital delay) mitsubishi sound processor ic s some parametric limits are subject to change. absolute maximum ratings symbol parameter conditions ratings units vcc icc pd topr tstg supply voltage circuit cuurent power dissipation operating temperature storage temperature 6.5 100 650 -20~+75 -40~+125 v ma mw ? ? power dissipation pd (mw) ambient temperature ta (? ) thermal derating (maximum rating) recommended operating conditions symbol parameter conditions limits min max typ units vcc fck v ih v il supply voltage clock frequency high input voltage low input voltage 4.5 1 0.7v dd 0 5 2 5.5 3 v dd 0.3v dd v mhz v v v dd vcc-v dd supply voltage difference voltage 4.5 5 5.5 v v -0.3 0 0.3 5 0 25 50 75 100 125 200 400 600 800 1000 0 650 325 w 1 m65831ap M65831AFP (vcc=5v,f=1khz,vi=100mvrms,ta=25?,unless otherwise noted) ap afp
electric mitsubishi m65831ap/fp preliminary notice ; this is not a final specification. digital echo (digital delay) mitsubishi sound processor ic s some parametric limits are subject to change. electrical characteristics (vcc=5v,f=1khz,vi=100mvrms,ta=25?,unless otherwise noted) symbol parameter test conditions limits min typ max units icc gv vomax thd no svrr tmute iccs circuit current voltage gain maximum output voltage output distortion output noise voltage supply voltage rejection ratio mute time circuit current (sleep mode) rl=47k w thd=10% 30khz lpf fs=500khz fs=250khz din-audio (fs=250khz) d vcc=-20dbv,f=100hz upon changing delay time upon canceling sleep mode sleep mode 18.0 40.0 -3.5 0.7 508 508 -0.5 1 0.3 0.5 -92 -40 528 528 14.0 2.5 1.0 1.5 -75 -25 548 548 30.0 ma db vrms % dbv db ms ma no signal 6
electric mitsubishi m65831ap/fp preliminary notice ; this is not a final specification. digital echo (digital delay) mitsubishi sound processor ic s some parametric limits are subject to change. operation 1) delay time d4 d3 d2 d1 fs td l h l h l h l l l l h h h h h h h h h h h h l l l l l l l l 500 250 12.3 24.6 36.9 49.2 61.4 73.7 86.0 98.3 110.6 122.9 135.2 147.5 159.7 172.0 184.3 196.6 fs=sampling frequency(khz) td=delay time(msec) 7
electric mitsubishi m65831ap/fp preliminary notice ; this is not a final specification. digital echo (digital delay) mitsubishi sound processor ic s some parametric limits are subject to change. 2) easy mode(easy / ?-com=h) d1,d2,d3,d4 and sleep are for easy mode d1 d2 d3 d4 sleep delay time cf 11-1) cf 11-5) 3) ?-com mode(easy / ?-com=l) sck data req mute d1 d2 d3 h=mute cf 11-4) id1 id2 id3 sleep d4 delay time cf 11-1) id codes h=sleep mode cf 11-5) timing diagram id4 this timing chart shows that delay time is set by serial data from ?-com. data signal is latched at the falling edge of sck signal,the last ten data are set at the rising edge of req signal when id codes are satisfied. id1,id3:l id2 :h id4 :equal to idsw * 8 *
electric mitsubishi m65831ap/fp preliminary notice ; this is not a final specification. digital echo (digital delay) mitsubishi sound processor ic s some parametric limits are subject to change. req,sck,data input timing sck data req mute d1 d2 d3 id1 id2 id3 sleep d4 id4 symbol parameter min typ max units t1 ds t2 t3 t4 t5 sck pulse width sck pulse duty data setup time data hold time req hold time req pulse width 250 100 100 100 250 50 t1/2 t1/2 nsec % nsec nsec nsec nsec t5 t1 ds t4 t2 t3 9
electric mitsubishi m65831ap/fp preliminary notice ; this is not a final specification. digital echo (digital delay) mitsubishi sound processor ic s some parametric limits are subject to change. 4) muting (1)easy mode automatic mute upon changing delay time,cancelling sleep mode and power-on. (2)?-com mode mute=h:mute mute=l:automatic mute automatic mute delay signal before change mode delay signal after change mode mute time (a) upon changing delay time mute time (b) upon cancelling sleep mode delay signal cancel sleep mode mute time (c) upon power-on delay signal 120msec power on 10
electric mitsubishi m65831ap/fp preliminary notice ; this is not a final specification. digital echo (digital delay) mitsubishi sound processor ic s some parametric limits are subject to change. 5) sleep mode sleep data is h:clock and ram stop to reduce circuit current (sleep mode) l:normal operation 6) system reset automatically reset power-on. the reset time is about 120msec. delay time is set at 147.5msec. 11
electric mitsubishi m65831ap/fp preliminary notice ; this is not a final specification. digital echo (digital delay) mitsubishi sound processor ic s some parametric limits are subject to change. 12 11 10 9 8 7 6 5 3 4 2 1 13 14 15 16 17 18 19 20 21 22 23 24 test circuit 1 2 1 2 1 2 1 2 1 2 s4 s5 s6 s7 s10 gnd v dd units : resistance w capacitance f 1m 2mhz 100p 0.1? 100p vo 47k 0.01? 2.7k 1? 560p 15k 10k 15k 30 0.1 5600p 0.1 0.1 47 30 0.1 vi 50 1 560p 15k 10k 5600p 15k 2 1 s30 a vcc 1 s24 100 0.1? lpf2 4.7k op2 48k-bit sram do0 do1 mo mi d1 1/2 vcc auto reset reset clk delay time control comp main control 4.7k op1 lpf1 ang.gnd dig.gnd v dd v cc delc 2 mod dem oscillator 12
electric mitsubishi m65831ap/fp preliminary notice ; this is not a final specification. digital echo (digital delay) mitsubishi sound processor ic s some parametric limits are subject to change. test methods s 4 s 5 s 6 s 7 s 10 s 24 s 30 notes no parameter sampling frequency symbol 1 2 3 4 5 6 7 8 current circuit voltage gain 500khz 250khz 500khz 500khz 500khz 250khz 250khz 250khz 250khz icc gv1 gv2 tda tdb tdc tdd tde tdf tdg tdh tdi tdj tdk tdl tdm tdn tdo tdp vomax 1 vomax 2 thd 1 thd 2 no svrr mute t mute s 1 1 1 1 1 2 2 * * * * * * 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 no signal cf. 11-1) upon changing delay time upon cancelling sleep mode mute time supply voltage rejection ratio delay time output voltage (max) total harmonic distortion output noise voltage switch condition * 1 or 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 * * * * * * * * * * * * * * * * * * * * * * * * * 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 30khz l.p.f. thd=10% 30khz l.p.f. din audio vi=0mvrms d vcc=-20dbv, f=100hz 2 13 2 1 *
electric mitsubishi m65831ap/fp preliminary notice ; this is not a final specification. digital echo (digital delay) mitsubishi sound processor ic s some parametric limits are subject to change. application example 1.easy mode 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 out 0.01? 2.7k 1? 560p 15k 10k 15k 30 0.1? 5600p 0.1? 0.1? 47? 30 0.1 1m 2mhz 100p 0.1? 100p 100? in 1? 560p 15k 10k 5600p 15k 1? 0.01? 3k 30k non-porlar setting delay time sleep sw vcc lpf1 in lpf1 out op1 out op1 in ref cc1 cc2 op2 in op2 out lpf2 in lpf2 out v dd xin xout d1 d2 d3 d4 test easy/?com sleep dgnd agnd 2.?-com mode 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 out 0.01? 2.7k 1? 560p 15k 10k 15k 30 0.1? 5600p 0.1? 0.1? 47? 30 0.1? 1m 2mhz 100p 0.1? 100p 100? in 1? 560p 15k 10k 5600p 15k 1? 0.01 3k 30k non-porlar sleep sw vcc lpf1 in lpf1 out op1 out op1 in ref cc1 cc2 op2 in op2 out lpf2 in lpf2 out v dd xin xout req sck data idsw test easy/ ?-com sleep dgnd agnd ?-com units resistance w capacitance f 14

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