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Part: M65831AE
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Description:
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Datasheet: Download M65831AE datasheet File size : 1522 kB
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MITSUBISHI SOUND PROCESSOR ICS
M65831AP/FP
DIGITAL ECHO (DIGITAL DELAY)
DESCRIPTION
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's 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 FEATURES
·Built-in input / output filters, A-D and D-A conver ters, and memory realize a delay system with only a single chip ·Capable of composing low-noise and low-distortion delay system at low cost by ADM system (No=-92dB typ, THD=0.5% typ) ·Control mode selections available from 2 kinds : easy mode using parallel data and microcomputer mode using serial data ·Sleep mode can be selected to stop IC functions ·Built-in automatic reset circuit
Outline 24P4 (AP) 2.54mm pitch 600mil DIP (13.0mm X 31.1mm X 3.8mm)
RECOMMENDED OPERATING CONDITIONS
Supply voltage range Rated supply voltage VCC,VDD=4.5 to 5.5V VCC,VDD=5.0V Outline 24P2W-A(AFP) 1.27mm pitch 450mil SOP (8.4mm X15.0mm X2.0mm)
SYSTEM CONFIGURATION
RAM
L
VOCAL CUT
HPF LPF HPF KEY CONTROL
MIX
BASS
MIX
L
R
CTL NORM SEARCH
MIX
BASS
MIX
R
VISS
VISS
MIC1 MIC AMP MIC2 MIC AMP
MIC VOL MIX MIC VOL
M65381AP/FP
MIX ECHO ECHO VOL
MITSUBISHI ELECTRIC
1
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R Y i tion. e. co I N Aal spejecfticta chang I M in
MITSUBISHI SOUND PROCESSOR ICS
M65831AP/FP
DIGITAL ECHO (DIGITAL DELAY)
Pin Configuration
VDD XIN XOUT D1/REQ D2/SCK D3/DATA D4/IDSW TEST EASY/µ -COM
1 2 3 4
24 23 22 21
Vcc LPF1 IN LPF1 OUT OP1 OUT OP1 IN REF CC1 CC2 OP2 IN OP2 OUT LPF2 IN LPF2 OUT
M65831AP/FP
5 6 7 8 9
20 19 18 17 16 15 14 13
SLEEP 10 D-GND A-GND 11 12
MITSUBISHI ELECTRIC
2
tr ice Not parame e som
L ot a f sub P R EThis iis nimits are ; cl
R Y i tion. e. co I N Aal spejecfticta chang I M in
MITSUBISHI SOUND PROCESSOR ICS
M65831AP/FP
DIGITAL ECHO (DIGITAL DELAY)
BLOCK DIAGRAM
LPF1 IN LPF1 OUT OP1 OUT OP1 IN
4.7k
CC1
CC2
OP2 IN
OP2 LPF2 OUT IN
4.7k
LPF2 OUT
23
22
21
20
18 MOD
17 DEM
16
15 14
13
LPF1 REF 19
1/2 Vcc
OP1 COMP
OP2
LPF2
D1 AUTO RESET RESET CLOCK DELC
DO0
DO1
MAIN CONTROL
MO MI
48K-bit SRAM
OSCILLATOR
DELAY TIME CONTROL
2
3
4
5
6
7
8
9 10
11
12
1
24
Vcc
XIN XOUT
SLEEP D-GND A-GND VDD D1/REQ D3/DATA TEST D2/SCK D4/IDSW EASY/µ -COM
Unit Resistance:
MITSUBISHI ELECTRIC
3
Others parts begin by m6
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