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MITSUBISHI SOUND PROCESSOR ICs
M65845AFP
DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT
ELECTRICAL CHARACTERISTICS
(Vcc=5V,f=1kHz,Vi=100mVrms,fck=2MHz,Ta=25°C ,unless otherwise noted)
Limits
Symbol
T/L
Parameter
Conditions
No signal
Vo=-17dBV
Vo=-17dBV,without ALC
Vi=-27dBV,ALC operate
at -10 ~ +3dBV
at C=4.7µF
at C=4.7µF
THD=10%
Gv=47dB,JIS-A,VI=0Vrms
Min
Typ
Max
Unit
Icc
G
VO
Circuit current
Voltage gain
MICROPHONE AMPLIFIER
25
44
34
47
0.5
3.0
70
50
1.5
6.0
+3
55
2.0
-57
20
226
3.0
4.0
-67
+3
0.1
-88
40
-72
+3
mA
dB
%
%
dB
ms
s
dBV
dBV
kΩ
ms
dB
%
dBV
dBV
dB
%
dBV
dBV
kΩ
dBV
dB
dBV
dB
THD1 Distortion1
THD2 Distortion2
V
oALC
ALC voltage
T
ALCAT
ALC Attack time
T
ALCRE
ALC Recovery time
V
oMAX
No
Zi
Td
G
v
THD
V
oMAX
N
o
G
v
THD
V
oMAX
No
Z
i
No
Gv
V
o
MAX
G
REJ
Maximum output voltage
-3
25
1.0
-1
5
0
40
1.5
2
-68
10
197
0
2.0
1.0
-82
0
0.02
4
-97
20
-95
0
4
18
Noise Voltage
input impedance
Delay Time
Voltage gain
Distortion
Maximum output voltage
Rc=51kΩ
167
-3.0
ECHO
THD=10%
JIS-A
-3
-3
Noise voltage
Voltage gain
Distortion
Maximum output voltage
LINE
THD=10%
JIS-A,MICSW=off
1
10
Noise voltage
Input impedance
Noise voltage
Voltage gain
Maximum output voltage
VOCAL CUT
JIS-A,Vocal cut ON
input one side channel
THD=10%
-3
1
14
Vocal rejection ratio
MITSUBISHI
ELECTRIC
( 6 / 15 )
MITSUBISHI [ MITSUBISHI ELECTRIC SEMICONDUCTOR ]
