M65854 Mitsubishi, M65854 Datasheet
M65854
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M65854 Summary of contents
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... DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT DESCRIPTION The M65854 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 VCR. FEATURES High performance digital echo • ...
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... DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT PIN CONFIGURATION AUDIO SW I/F A/D A/D A/D MIC VOL MCLK ALC MITSUBISHI SOUND PROCESSOR ICs M65854FP (L+ STEREO PHASE SHIFTER ECHO VOL MIC VOL LPF ALC ...
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... O A/D integrator input — A/D control — — Ground — Power supply MITSUBISHI ELECTRIC M65854FP Function Controls built-in clock generation circuit with external connect MIC1 To connect ALC attack / recovery time setting capacitor To connect low cut-off frequency of MIC1 I amplifier setting capacitor To connect capacitor to reduce noise generated ...
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... Auto vocal support sw Auto vocal support sw Phase shift sw Echo effect volume control MIC2 volume control MIC1 volume control MITSUBISHI ELECTRIC M65854FP Function To determine adaptive time constant of D/A convertor with ADM system I Composes D/A conversion integrator with external capacitor I Post-filter after D/A conversion for digital delay ...
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... I/O voltage gain ATTmax Maximum attenuation THD Distortion VoMAX Maximum output voltage No Output noise voltage MITSUBISHI SOUND PROCESSOR ICs M65854FP ( Vcc=5V,f=1kHz,vi=100mVrms,Ta=25°C Unless otherwise noted ) Test conditions No signal provided Vo = -17dBV Vo = -17dBV,with ALC not operated Vi= -37dBV,with ALC operated measurement : +2dBV C=4.7µF C=4.7µ ...
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... Distortion VoMAX Maximum output voltage No Output noise voltage CS Channel separation Zi Input impedance Grej Vocal removal ratio MITSUBISHI SOUND PROCESSOR ICs M65854FP Test conditions Sets Delay time with microcomputer. Td=196.6mS,30KHzLPF Vi=0mVrms,JIS - A Td=196.6msec,Rg=620 30KHzLPF THD=10% JIS - A, MIC1VOLandMIC2VOL=0.0V Lin=400Hz,Rout JIS - A Vocal cut MITSUBISHI ...
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... Input Voltage Operating Topr temperature Storage Tstg temperature RECOMMENDED OPERATING CONDITION Symbol Parameter Digital VDD supply voltage V L input level input level IH MITSUBISHI SOUND PROCESSOR ICs M65854FP Test conditions -0.3 ~ Vcc+0.3 Test conditions Min 4.5 0 0.7VDD MITSUBISHI ELECTRIC 50 KARAOKE Ratings Units 6 1.1 W °C ...
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... Control Data AUDSW5 OFF ON • Echo effect volume attenuation DC voltage control (V) ECHOVOL(pin40 -12 -15 -18 - Digital echo output control ON OFF MITSUBISHI ELECTRIC M65854FP PHASE SHIFTER SURROUND Surround SW L OFF H ON Attenuation [dB] 5.0 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.0 Note: When the MIC1VOL and MIC2VOL are — at the same time, the Digital echo output control will automatically be the Digital echo output off mode ...
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... The IC carries out auto mute function at the time of powering up in order to suppress shock noise that the digital delay may produce. •At power up Reset Time MITSUBISHI SOUND PROCESSOR ICs M65854FP •Auto Vocal support Switch : OFF •Microphone Volume Attenuation : -10dB Mute time (400msec) ...
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... Gv=20log• R1+1.5K Gv(max)=47dB,fcl=225Hz R1=0 ,C1=0.47µF Assuming Gv=37dB, fcl=220Hz,for instance, the constants take the following values. R1=3.3K ,C1=0.15µF MITSUBISHI SOUND PROCESSOR ICs M65854FP Note: The delay time (Td) for echo is determined by the clock Clock frequency (fck). oscillator circuit fck = 4 MHz(Rc = 22K ) Delay time = 196.6msec ...
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... X 24k Quality factor (Q) is given by the following equation for long echo 0.72 (Figure of 0.7 is recommended MITSUBISHI SOUND PROCESSOR ICs M65854FP ALC OPERATING VOLTAGE SETTING RANGE MICROPHONE AMPLIFIER GAIN SETTIG=47dB -50 -40 -30 -20 -10 Vi(dBV) C2:1000pF 14 24k 24k 24k ...
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... MITSUBISHI SOUND PROCESSOR ICs Source selector mode Lch monaural vocal cut (L+R)/2 (L+R)/2 release time 1.5s OFF On MITSUBISHI ELECTRIC M65854FP Stereo Rch monaural (L+R)/2 same as above attack time KARAOKE Reference level ...
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... Phase Shifter Lch INPUT Surround Rch INPUT Source selector L R (L+R)/2 Vocal cut Stereo MITSUBISHI SOUND PROCESSOR ICs M65854FP vocal cut block 30 C 0.15µ =53.0Hz 33 C(external)=0.022µF 34 Surround Simulated Stereo Stereo Surround ...
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... VOL MCLK ALC 4.7µ 1.0µ 0.1µ 0.22µ 0.22µ MIC1IN MIC2IN MITSUBISHI SOUND PROCESSOR ICs M65854FP LOUT ROUT LIN RIN 0.022µ 0.15µ 1µ 1µ 1µ (L+ PHASE SHIFTER MIC VOL LPF ALC ...