PRELIMINARY M65854FP 50 soNmoeticpear;aTmheistriisc
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DIGITAL ECHO
WITH
MITSUBISHI SOUND PROCESSOR ICs
MICROPHONE MIXING CIRCUIT
SE
KARAOKE
RI
E
S
ELECTRICAL CHARACTERISTICS
Symbol
Parameter
( Vcc=5V,f=1kHz,vi=100mVrms,Ta=25°C Unless otherwise noted )
Test conditions
Limits
Min Typ Max Unit
Icc Circuit current
No signal provided
—
35
mA
Gvo Amplifier gain
Vo = -17dBV
THD1 Distortion
THD2 Distortion
Vo = -17dBV,with ALC not operated —
Vi= -37dBV,with ALC operated
—
VoALC ALC operating voltage measurement : +2dBV
0
TALCAT ALC attack time
C=4.7µF
25
TALCRE ALC recovery time
C=4.7µF
1.0
VoMAX Maximum output voltage THD=10%
1.2
No
Output noise voltage Gv=47dB,f=100 to 5KHz
—
Zi
Input impedance
5
Gv
I/O voltage gain
Volume max
-3
ATTmax Maximum attenuation Volume min
—
THD Distortion
Volume max
—
ViMAX Maximum input voltage THD=10%
1.3
No
Output noise voltage JIS - A
—
Gv
I/O voltage gain
Volume max
-3
ATTmax Maximum attenuation Volume min
—
THD Distortion
Volume max
—
VoMAX Maximum output voltage THD=10%
1.1
No
Output noise voltage JIS - A
—
MITSUBISHI
ELECTRIC
47
dB
0.1 0.5 %
3.0 6.0 %
+2 +4 dBV
40 55 msec
1.5 2.0 sec
1.3 — Vrms
-68 -57 dBV
10 20 K
0
+3 dB
-72 -67 dBV
0.15 0.30 %
1.6 — Vrms
-96 -90 dBV
0
+3 dB
-72 -67 dBV
0.15 0.30 %
1.4 — Vrms
-96 -90 dBV
( 5 / 14 )