Mitsubishi M62456FP Datasheet
MITSUBISHI SOUND PROCESSORS ICs
M62456FP
DIGTAL SOUND CONTROLLER
DESCRIPTION
The M62456FP Integrated Circuit is developed
for audio-visual equipment. It being used for
controld sound in the power amplifier front
stage. It has BASSBOOST circuit corresponding
to BTL type driver.
FEATURES
24pin SSOP
Build in diode clip circuit
Corresponding to BTL type driver.
Boost level control (3 steps)
RECOMMENDED OPERATING CONDITIONS
Supply voltage range • • • •VCC=+4.5 to 7.5V, VEE=-4.5 to -7.5V
Rated supply voltage • • • • VCC=+7V, VEE=-7V
PIN CONFIGURATION (TOP VIEW)
HPF1-1
HPF1-2
NF1
OUT1
VCC
LRNF
B1
B2
LEVEL1
LEVEL2
GND
INVLPF
10
11
12
1
2
3
4
5
6
7
8
9
24
23
22
21
20
19
18
17
16
15
14
13
HPF2-1
HPF2-2
NF2
OUT2
VEE
CIN
LROUT
VR
HPF3-1
HPF3-2
LPF1
LPF2
BLOCK DIAGRAM
CH1
CH2
+
+
M62456FP
LIMITER
HPF
HPF
BPF
+
CH1
+
Low
Tone
(BTL)
-
+
CH2
( / 9 )
1
BLOCK DIAGRAM
MITSUBISHI SOUND PROCESSORS ICs
M62456FP
DIGTAL SOUND CONTROLLER
HPF1-1
HPF1-2
NF1
OUT1
VCC
LRNF
B1
1
2
3
4
5
6
7
22K
Diode Clip
+
+
15K
VCC
10K
VEE
27K
22K
3.3K
24
23
22
21
20
19
18
HPF2-1
HPF2-2
NF2
OUT2
VEE
CIN
LROUT
B2
LEVEL 1
LEVEL 2
GND
INVLPF
8
9
10
11
12
3.9K
1.8K
22K
22K
17
16
15
14
13
VR
HPF3-1
HPF3-2
LPF1
LPF2
( / 9 )
2
MITSUBISHI SOUND PROCESSORS ICs
PIN DESCRIPTION
M62456FP
DIGTAL SOUND CONTROLLER
Pin No.
1
24
2
23
3
Symble
HPF1-1
HPF2-1
HPF1-2
HPF2-2
NF1
Function
Input pin of highpass
filter 1
Input pin of highpass
filter 2
Output pin of highpass
filter 1
Output pin of highpass
filter 2
Inverse Input 1
DC
voltage
0V
0V
0V
Equivalent circuit
1
24
Vcc
220u
VEE
Vcc
220u
VEE
25uA
25uA
3
Vcc
VEE
2
23
Vcc
22
22
4
21
5
6
NF2
OUT1
OUT2
Vcc
LRNF
Inverse Input 2
Output 1
Output 2
Positive Power
Supply
LR Mixing
Amplifire input
0V
0V
7V
0V
Vcc
VEE
220u
5
25uA
VEE
4
VCC
Vcc
VEE
( / 9 )
3
21
6
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