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PDF M65853 Data sheet ( Hoja de datos )
| Número de pieza | M65853 | |
| Descripción | DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de M65853 (archivo pdf) en la parte inferior de esta página. Total 17 Páginas | ||
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PRELIMINARY M65853FP 50soNmoeticpear;aTmheistriisc
nlimotitas fainrealssupbejecicfitctaoticohna. nge.
DIGITAL ECHO
WITH
MITSUBISHI SOUND PROCESSOR ICs
MICROPHONE MIXING CIRCUIT
SE
KARAOKE
RI
ES
DESCRIPTION
The M65853 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.
FEATURES
• High performance digital echo circuit thanks to 16Kbit memory
• Built-in surround function which works Simulated Stereo for
monaural source and Stereo Surround for stereo source
• ALC-equipped microphone amplifiers permit excessively
high input. ALC operating voltage can be set as desired.
• 2 microphone volumes, echo effect volume and echo
feedback volume are included
• Stereo microphone-line mixing amplifiers
• Karaoke entertainment functions such as vocal cut
and automatic vocal support system
• Built-in current-control oscillation circuit
• Built-in automatic reset circuit activated with power on
• 5V single power supply
RECOMMENDED OPERATING CONDITION
• Supply voltage range • • • • • Vcc = 4.5 ~ 5.5V
Rated supply voltage • • • • • Vcc = 5V
SYSTEM CONFIGURATION
PIN CONFIGURATION
MCLKCONT 1
VALC 2
MIC1IN 3
ALC1 4
MIC1NFIN 5
MIC1OUT 6
MIC1VOLIN 7
MIC2IN 8
ALC2 9
MIC2NFIN 10
MIC2OUT 11
MIC2VOLIN 12
MICOUT 13
LPF1IN1 14
LPF1IN2 15
LPF1OUT 16
ADINTOUT 17
ADINTIN 18
ADCONT 19
REF 20
GND 21
42 MIC SW
41 DATA
40 CLOCK
39 LATCH
38 PS2
37 PS1
36 LOU
35
T
ROUT
34 VCFIL
33 LIN1
32 RIN1
31 LIN2
30 RIN2
29 VOL IN
28 LPF2OUT
27 LPF2IN2
26 LPF2IN1
25 DAINTOUT
24 DAINTIN
23 DACONT
22 VCC
Lch1
INPUT
Lch2IN
PUT
Rch1
INPUT
Rch2IN
PUT
MIC
MIC
SOURCE
SELECTOR
L
R
(L+R)/2
VOCAL
CUT
ALC
MIC VOL
ALC
MIC VOL
MIX
PHASE
SHIFTER
SURROUND
ECHO
ECHO VOL
FEEDBACK
VOL
MITSUBISHI
ELECTRIC
MIX
Lch
MIX OUTPUT
Rch
MIX OUTPUT
( 1 / 17 )
1 page  
PRELIMINARY M65853FP 50soNmoeticpear;aTmheistriisc
nlimotitas fainrealssupbejecicfitctaoticohna. nge.
DIGITAL ECHO
WITH
MITSUBISHI SOUND PROCESSOR ICs
MICROPHONE MIXING CIRCUIT
SE
KARAOKE
RI
ES
ELECTRICAL CHARACTERISTICS
Symbol
Parameter
( Vcc=5V,f=1kHz,vi=100mVrms,Ta=25°C Unless otherwise noted )
Limits
Test conditions
Min Typ Max Unit
Icc Circuit current
No signal provided
— 35
mA
Gvo Amplifier gain
Vo = -17dBV
THD1 Distortion
Vo = -17dBV,with ALC not operated —
THD2 Distortion
VoALC
ALC operating voltage
measurement error
Vi= -37dBV,with ALC operated
measurement : -10 to +3dBV
—
-3
TALCAT ALC attack time
C=4.7µF
25
TALCRE ALC recovery time
C=4.7µF
1.0
VoMAX Maximum output voltage THD=10%
No Output noise voltage Gv=47dB,f=100 to 5KHz
1.3
—
Zi Input impedance
5
Gv I/O voltage gain
Volume max
ATTmax Maximum attenuation Volume min
THD Distortion
Volume max
-3
—
—
ViMAX Maximum input voltage THD=10%
No Output noise voltage JIS - A
1.4
—
Gv I/O voltage gain
Volume max
ATTmax Maximum attenuation Volume min
-3
—
THD Distortion
Volume max
VoMAX Maximum output voltage THD=10%
No Output noise voltage JIS - A
—
1.1
—
MITSUBISHI
ELECTRIC
47 dB
0.1 0.5
3.0 6.0
%
%
0 +3 dB
40 55 msec
1.5 2.0 sec
1.4 — Vrms
-68 -57 dBV
10 20 K
0 +3 dB
-72 -67 dBV
0.15 0.30 %
1.7 — Vrms
-96 -90 dBV
0 +3 dB
-72 -67 dBV
0.15 0.30 %
1.4 — Vrms
-96 -90 dBV
( 5 / 17 )
5 Page 
PRELIMINARY M65853FP 50soNmoeticpear;aTmheistriisc
nlimotitas fainrealssupbejecicfitctaoticohna. nge.
DIGITAL ECHO
WITH
MITSUBISHI SOUND PROCESSOR ICs
MICROPHONE MIXING CIRCUIT
SE
KARAOKE
RI
ES
FUNCTION DESCRIPTION
(1) AUTO RESET
Settings are reset automatically when the IC is powered up. The reset state is
automatically canceled approximately 150msec after powering up(Vcc=5V and the
capacitor connected to pin C=100µF).
By auto reset, operation mode setting become as follows.
•Delay Time Control : 98.3msec
•Source Selector : stereo
•Phase Shifter Surround Control : OFF •Auto Vocal support Switch : OFF
•Select Line IN Switch LIN1,RIN1
•Microphone Mixing Switch : OFF
•Echo effect Volume : -
•Echo Feed back Volume : -
•Microphone Volume Attenuation : -10dB
(2) AUTO MUTE FUNCTION
The IC carries out auto mute function at the time of powering up, delay time setting
change, in order to suppress shock noise that the digital delay may produce.
•At power up
Reset Time
Mute time
(400msec)
•At delay time setting change
Delay signal before change
Delay signal after change
Mute time
(400msec)
MITSUBISHI
ELECTRIC
( 11 / 17 )
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet M65853.PDF ] | |
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