M65856 Mitsubishi, M65856 Datasheet
M65856
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M65856 Summary of contents
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... DESCRIPTION The M65856 is a CMOS IC built-in Digital Echo function with microphone peripheral circuits for "Karaoke" equipment packed in a single chip suitable for "Karaoke" equipments such as Video CD Player, Mini Stereo, CD-Radio Cassette, TVor VCR. FEATURES High performance digital surround function Built-in ...
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... L R STEREO (L+ MIC SW ECHO ECHO VOL F.BVOL MIC MIC VOL VOL ALC MITSUBISHI ELECTRIC MITSUBISHI SOUND PROCESSOR ICs M65856SP VCC GND LPF D/A 16kbit SRAM MAIN LOGIC 1/2Vcc LPF A ...
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... A/D integrator input I – A/D control – Reference power output MITSUBISHI ELECTRIC MITSUBISHI SOUND PROCESSOR ICs M65856SP Function L: MIC OFF H: MIC ON Controls built-in clock generation circuit with external R To set ALC operating voltage according to applied voltage To connect MIC1 To connect ALC1 attack / recovery time ...
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... I LATCH I CLOCK I DATA I MITSUBISHI ELECTRIC MITSUBISHI SOUND PROCESSOR ICs M65856SP Function To determine adaptive time constant of D/A convertor with ADM system Composes D/A conversion integrator with external capacitor Post-filter after D/A convertor for digital delay To connect capacitor to reduce noise generated at time of volume change Lch line input ...
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... Vi= -37dBV,with ALC operated measurement : -10 to +3dBV C=4.7µF C=4.7µF THD=10% Gv=47dB,f=100 to 5KHz Volume max Volume min Volume max THD=10% JIS - A Volume max Volume min Volume max THD=10% JIS - A MITSUBISHI ELECTRIC M65856SP Limits Min Typ Max Unit – – 0.5 1.5 – 3.0 6 ...
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... Td=138.7mS,30KHzLPF Td=156.0mS,30KHzLPF Td=208.1mS,30KHzLPF Vi=0mVrms,JIS - A Td=104.0msec,Rg=620 Vi=0mVrms,JIS - A Td=138.7msec,Rg=620 Vi=0mVrms,JIS - A Td=156.0msec,Rg=620 Vi=0mVrms,JIS - A Td=208.1msec,Rg=620 30KHzLPF THD=10% JIS - A,MIC SW OFF Lin=1kHz,Vi=1Vrms,Rout JIS - A Vocal cut MITSUBISHI ELECTRIC M65856SP Limits Min Typ Max Unit - 1.1 1.4 – Vrms 88.4 104.0 119.6 msec 117.9 159.5 138 ...
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... Vi Pd Input Voltage Operating Topr temperature Storage Tstg temperature RECOMMENDED OPERATING CONDITION Symbol Parameter Vcc Supply voltage VIL L input level VIH H input level MITSUBISHI SOUND PROCESSOR ICs M65856SP Test conditions -0.3 ~ Vcc+0.3 -40 ~ +125 Test conditions Min 4.5 pin40,41,42 0 pin40,41,42 2.4 MITSUBISHI ELECTRIC Units Ratings V 6.0 V 1.1 ...
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... D12 D13 D14 ADDRESS D15 MITSUBISHI ELECTRIC MITSUBISHI SOUND PROCESSOR ICs M65856SP Control description Sets volume attenuation in 8 steps between +3dB ~ -15dBand - . Sets volume attenuation in 5 steps between -2dB ~ -7dB and - . Sets volume attenuation in 8 steps between 0dB ~ -18dB and - . Sets volume attenuation in 8 steps between 0dB ~ -18dB and - ...
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... Auto vocal support SW Data Effect LOW H MID HIGH • MICROPHONE MIXING SWITCH Control Data MIC SW D0 D11 (Notice MITSUBISHI ELECTRIC M65856SP Source select D4 Lch, monaural L Rch, monaural H (L+ Vocal cut Stereo OFF ON Remark Microphone mixing OFF OFF Microphone mixing ON ON ...
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... Control Data (dB -12 -15 - • ADDRESS CONTROL Control Data Attenuation D0 D15D14 (dB L -12 -15 -18 - MITSUBISHI ELECTRIC MITSUBISHI SOUND PROCESSOR ICs M65856SP Attenuation (dB ADDRESS L L Data Cancel L H ...
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... Delay signal before change MITSUBISHI SOUND PROCESSOR ICs • Source Selector : stereo • Auto Vocal support Switch : OFF • Microphone Mixing Switch : OFF • Echo Feed back Volume : - Mute time (400msec) Delay signal after change Mute time (400msec) MITSUBISHI ELECTRIC M65856SP ...
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... Gv=20log • R1+1.5K Gv(max)=47dB,fcl=48.2Hz R1=0 ,C1=2.2µF Assuming Gv=37dB, fcl=15.1Hz,for instance, the constants take the following values. R1=3.3K ,C1=2.2µF fck = 2 MHz(Rc=56K ) Clock oscillator circuit 1 fcl= 2 • (R1+1.5K) • C1 MIC MITSUBISHI ELECTRIC MITSUBISHI SOUND PROCESSOR ICs M65856SP REF 10k (typ) 1µF 4 10K 1. 334k 7 ...
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... ALC OPERATING VOLTAGE SETTING RANGE MICROPHONE AMPLIFIER GAIN SETTIG=47dB -60 -50 -40 -30 -20 -10 Vi(dBV) VOLTAGE APPLIED TO 35 PIN,VALC 10 is high more, Voltage applied to pin 5 10 VALC(V) 0.50 1.09 1.38 1.61 1.79 1.94 2.05 MITSUBISHI ELECTRIC MITSUBISHI SOUND PROCESSOR ICs M65856SP 1 2.5V( Vcc) 2 INTERNAL DC BIAS 1 VALC= Vcc-Vpo OV 2 Vcc 51k • Resistance R( ) 5.6k 15k ...
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... The accuracy of the internal resistance of the IC is approximately ±30% Cut-off frequency(fc) is given as follows 24k x C1xC2 Quality factor (Q) is given by the following equation for long echo =0.72 (Figure of 0.7 is recommended C2:1000pF 16 24k 24k x24k x 4700pF x1000pF MITSUBISHI ELECTRIC MITSUBISHI SOUND PROCESSOR ICs M65856SP 17 Output . =3.1KHz . ...
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... The timing of microphone input signal detection Microphone Volume input level output microphone signal detection Source selector mode Lch monaural vocal cut (L+R)/2 (L+R)/2 release time 1.5s OFF On MITSUBISHI ELECTRIC MITSUBISHI SOUND PROCESSOR ICs M65856SP Stereo Rch monaural (L+R)/2 same as above Reference level (REF+20mV) attack time 40ms On ...
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... Phase Shifter Lch INPUT Surround Circuit Rch INPUT Source selector L R (L+R)/2 Vocal cut Stereo vocal cut block 37 C 0.15µ =53.0Hz 38 C(external)=0.022µF 39 Surround Simulated Stereo Stereo Surround MITSUBISHI ELECTRIC MITSUBISHI SOUND PROCESSOR ICs M65856SP OUTPUT Lch OUTPUT Rch OUTPUT ...
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... MIC VOL VOL ALC 4.7µ 2.2µ 2.2µ 1.0µ 1.0µ 1.0µ MIC2IN MITSUBISHI ELECTRIC MITSUBISHI SOUND PROCESSOR ICs M65856SP 0.0047µ 0.001µ K 2.2µ 0.068µ 0.1µ VCC D/A LPF 16kbit ECHO F.BVOL SRAM ...