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M65845AFP Dataheets PDF



Part Number M65845AFP
Manufacturers Mitsubishi
Logo Mitsubishi
Description DIGITAL ECHO
Datasheet M65845AFP DatasheetM65845AFP Datasheet (PDF)

P ric ; Th ice aramet t o N ep som a subje M Inot a fin I re L s R E is is limit a e ion Y icat o chang f R i c e N A l sp ct t . . MITSUBISHI SOUND PROCESSOR ICs M65845AFP DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT DESCRIPTION The M65845AFP is a CMOS IC built-in Digital Echo function with microphone peripheral circuits for "Karaoke" equipment packed in a single chip. It is suitable for "Karaoke" equipments such as Video CD Player,Mini Stereo, CD-Radio cassette,TV or VCR. Being pin com.

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P ric ; Th ice aramet t o N ep som a subje M Inot a fin I re L s R E is is limit a e ion Y icat o chang f R i c e N A l sp ct t . . MITSUBISHI SOUND PROCESSOR ICs M65845AFP DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT DESCRIPTION The M65845AFP is a CMOS IC built-in Digital Echo function with microphone peripheral circuits for "Karaoke" equipment packed in a single chip. It is suitable for "Karaoke" equipments such as Video CD Player,Mini Stereo, CD-Radio cassette,TV or VCR. Being pin compatible with the M65845FP,the M65845AFP is suitable for upgrading the series. PIN CONFIGURATION MIC1 INPUT 1 ALC1 CONTROL 2 36 VOCAL CUT FILTER 35 ALC SUPPLY VOLTAGE CONTROL FEATURES •High performance digital echo circuit thanks to 16Kbit memory •Two microphone-mixing lines,vocal cut circuit,digital echo, and line-mixing amplifier are contained,enabling singlechip package of microphone peripheral circuit of "Karaoke" equipment. •ALC-equipped microphone amplifiers permit excessively high-input. ALC operating voltage can be set as desired. •Vocal cut circuit of complete stereo construction •Compatibility with the M65845FP •Built-in current-control oscillation circuit •Built-in automatic reset circuit activated with power on •Single power supply (5V) MIC1 NF INPUT 3 MIC1 OUTPUT 4 34 AUDIO SW2 33 AUDIO SW1 M65845AFP 36P2R MIC1 VOLUME INPUT 5 MIC2 INPUT 6 ALC2 CONTROL 7 MIC2 NF INPUT 8 MIC2 OUTPUT 9 MIC2 VOLUME INPUT 10 MIC OUTPUT 11 LOWPASS FILTER1 INPUT 12 LOWPASS FILTER1 OUTPUT 13 A/D INTEGRAL INPUT 14 A/D INTEGRAL OUTPUT 15 A/D CONTROL 16 REFERENCE 17 GND 18 32 CLOCK CONT 31 MIC SW 30 MICECHO OUTPUT 29 Lch LINE OUTPUT 28 Rch LINE OUTPUT 27 Lch LINE INPUT 26 Rch LINE INPUT 25 ECHO VOLUME INPUT 24 LOWPASS FILTER2 OUTPUT 23 LOWPASS FILTER2 INPUT 22 D/A INTEGRAL OUTPUT 21 D/A INTEGRAL INPUT 20 D/A CONTROL 19 POWER SUPPLY RECOMMENDED OPERATING CONDITION Supply voltage range••••••••••Vcc=4.5~5.5V Rated supply voltage•••••••••• Vcc=5V SYSTEM CONFIGURATION AUDIO SW Lch INPUT SOURCE SELECTOR L R VOCAL CUT MIX Lch OUTPUT Rch INPUT MIX ALC MIC1 MIC VOL MIX DIGITAL ECHO MIC MIC VOL VOL ECHO VOL MIX Rch OUTPUT MIC SW ALC MIC2 MITSUBISHI ELECTRIC ( 1 / 15 ) P ric ; Th ice aramet t o N ep som AUDSW1 AUDSW2 VCFIL CLOCK CONT 32 17 19 29 Lout 18 36 34 REF 33 Vcc GND a subje M Inot a fin I re L s R E is is limit a Lin 27 Rin 26 28 Rout AUDIO SOURCE CONTROL 1/2Vcc 31 MIC SW . VALL 35 e ion Y icat o chang f R i c e N A l sp ct t MIC1IN 1 . MIC1NFIN 3 MIC1OUT 4 CLOCK GENERATOR 16KRAM 30 MICECHO OUT IC INTERNAL BLOCK DIAGRAM ALC ALC1 2 DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT MITSUBISHI ELECTRIC MIC1 VOLIN 5 MIC2IN 6 LOGIC REF LPF1 A/D D/A REF LPF2 MIC2NFIN MIC2OUT 8 9 ALC ALC2 11 MIC LPF1 OUT IN 12 7 25 13 16 14 15 20 21 22 23 24 LPF1 DAINTOUT DACON LPF2OUT ECHOVOLIN ADINTIN OUT LPF2IN DAINTIN ADCONT ADINTOUTT M65845AFP MIC2 VOLIN 10 MITSUBISHI SOUND PROCESSOR ICs ( 2 / 15 ) P ric ; Th ice aramet t o N ep som a s.



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