M65853 Mitsubishi, M65853 Datasheet - Page 13
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M65853
Manufacturer Part Number
M65853
Description
DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT
Manufacturer
Mitsubishi
Datasheet
1.M65853.pdf
(17 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M65853FP
Manufacturer:
MITSUBISHI
Quantity:
20 000
(5)ALC level diagram
(6)ALC operating voltage setting
ALC operating voltage can be set at a desired value between -10 and +3dBV by varying
the DC voltage applied to pin 35 (ALC operating voltage setting terminal).
(Setting method)
To set ALC operating voltage at -5dB(Vcc=5V)
-5dBV=0.56Vrms=1.59Vp-p=0.8Vp-o
V
Since the input impedance at pin 35 is high at 1M
it is possible to provide ALC operating voltage by dividing
resistance.
When Vcc=5V
ALC
ONE SIDE
PEAK VOLTAGE,Vpo
=2.5-0.8=1.7V
ALC operating
voltage (dBV)
DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT
-10
+3
-2
-4
-6
-8
0
Vo(dBV)
-10
-20
-30
10
+3
0
-70
-60
-50 -40 -30 -20 -10
MICROPHONE AMPLIFIER GAIN SETTIG=47dB
Vi(dBV)
Voltage applied to
VOLTAGE APPLIED TO 35 PIN,VALC
pin 35 VALC(V)
ALC OPERATING VOLTAGE SETTING RANGE
MITSUBISHI
ELECTRIC
0.50
1.09
1.38
1.61
1.79
1.94
2.05
MITSUBISHI SOUND PROCESSOR ICs
M65853FP
or more,
2.5V(
INTERNAL DC BIAS
OV
Resistance R(
1
2
Vcc)
VALC=
5.6k
15k
20k
24k
27k
33k
36k
35
1
(
2
Vcc-Vpo
1 3
R
)
/ 1 7 )
51k
KARAOKE
50
Vcc
S
S
0.01
E
E
R
R
I
I
E
E
µ
S
S