Mitsubishi M62428FP Datasheet
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
FEATURES
•Capable of controlling each function by serial data
Electric volume
•Volume level........... 32step ( 0dB ~ -∞ )
•Low noise................-100dBv(JIS-A)
Bass/Treble.......(0dB,±3dB,1±6dB,±10dB)
Bass boost.......................(ON/OFF)
Surround......................... (ON/OFF)
Input selector ...................4 - Inputs (A,B,C,D)
MIC mixing
APPLICATION
Mini-Stereo,Radio-Cassette tape recorder,TV
RECOMMENDED OPERATING CONDITIONS
Supply voltage range ..... AVDD:7.0~8.0V DVDD:4.5~5.5V
Rated supply voltage ..... AVDD:7.5V DVDD:5.0V
PACKAGE
Outline
42P2R
SYSTEM BLOCK DIAGRAM
R ch
L ch
IN
IN
A
B
C
D
A
B
C
D
INPUT
SELECTER
µ -com
INTERFACE
CLK
DATA
MIC
IN
LATCH
MIC
MIXER
Rch Rec out
SURROUND
TONE
Lch Rec out
BASS BOOST
ELECTRIC
VOLUME
R ch OUT
L ch OUT
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PIN CONFIGURATION
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
VREFI
SUR R
SUR C
IN1A
IN1B
IN1C
IN1D
REC OUT1
INBAS1
NFBAS1
FBAS1
FTRE1
TONE OUT1
VOL IN1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
42
41
40
39
38
37
M62428FP
36
35
34
33
32
31
30
29
AGND
VREFO
MIC IN
IN2A
IN2B
IN2C
IN2D
REC OUT2
INBAS2
NFBAS2
FBAS2
FTRE2
TONE OUT2
VOL IN2
FBB1
NFBB1
INBB1
OUT1
DGND
LATCH
DATA
15
16
17
18
19
20
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28
27
26
25
24
23
2221
FBB2
NFBB2
INBB2
OUT2
AVDD
DVDD
CLK
BLOCK DIAGRAM
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
CLK
DVDD
AVDD
OUT2
INBB2
NFBB2
FBB2
VOL IN2
TONE
OUT2
FTRE2
FBAS2
NFBAS2
INBAS2
REC
OUT2
IN2D
IN2C
IN2B
IN2A
MIC IN
VREFO
AGND
22
23
24
25
2627
2829
30
31
32
33
34
35
36
37
3839
4041
42
24K
10K
4.5K
22.5K
8.5K
3K
100K
1.5K
195K
1.5K
100K
100K
100K
100K
+
+
-
BASS BOOST SW
195K
SW17-B
SW17-C
SW15-C
-
+
SW9
SW7
SW5
SW3
MICAmp
56K
BB
Amp2
BASS
Amp2
56K
19K
SW19
SW15-B
Buff
Amp2
45.8K
SW13
ref
refAmp
MIX
Amp2
+
-
195K
10K
VR2
10K
44.7K
B
+
-
+
-
44.7K
AVDD
470
FIN
Amp2
+
TONE
Amp2
10K
-
+
A
51K
51K
AGND
µ -com
INTERFACE
TONE
Amp1
SW12SW13
34.7K
34.7K 34.7K
470
FIN
Amp1
34.7K
A
SW10SW11
-
+
VR1
+
SW14-B
10K
+
-
195K
10K
SW18
10K
-
BASS
Amp1
MIX
Amp1
44.7K
44.7K
B
Buff
Amp1
45.8K
SW13
SURROUND SW
56K
-
BB
Amp1
BASS BOOST SW
+
195K
SW16-B
SW16-C
SW14-C
+
-
56K
SW8
SW6
SW4
+
-
19K
SW2
SW1
195K
1.5K
1.5K
24K
10K
4.5K
22.5K
8.5K
3K
100K
100K
100K
100K
21
DATA
21
LATCH
20
DGND
19
OUT1
18
INBB1
17
NFBB1
16
FBB1
VOL IN1
14
TONE
13
OUT1
FTRE1
12
FBAS1
11 15
NFBAS1
9 10
INBAS1
REC
8
OUT1
7
IN1D
6
IN1C
5
IN1B
4
IN1A
3
SUR C
SUR R
1 2
VREFI
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Units
Resistance
Capacitance:Ω:F
PIN DESCRIPTION
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
Pin No.
1
2
3
4
5
6
7
8
9
10
11
Symbol
VREFI
SUR R
SUR C
IN1A
IN1B
IN1C
IN1D
RECOUT1
INBAS1
NFBAS1
FBAS1
Function
RefAmp input
External R connection pin for setting time constant for surround
External C connection pin for setting time constant for surround
Channel 1 input
REC output of channel 1
Input of BASS Amp in bass section
Output of BASS Amp in bass section
Resonant impedance (band-pass filter) connection pin for bass section
12
13
14
15
16
17
18
19
20
21
FTRE1
TONEOUT1
VOLIN1
FBB1
NFBB1
INBB1
OUT1
DGND
LATCH
DATA
Resonant impedance (band-pass filter) connection pin for treble section
TONE output of channel 1
R-rudder volume input of channel 1
Input of bass boosting resonant buffer amp
Output of bass boosting resonant buffer amp
Resonant impedance (band-pass filter) connection pin
for bass boost section
Channel 1 output
Ground of the internal logic circuit
Input pin of latch signal.
Changes the circuit status at the rising edge of the latch signal
Input pin of control data.
Reads data at the rising edge of clock
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MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
Pin No.
22
23
24
25
26
27
28
29
30
31
Symbol
CLOCK
DVDD
AVDD
OUT2
INBB2
NFBB2
FBB2
VOLIN2
TONEOUT2
FTRE2
Function
Clock input pin for serial data transfer
Power supply of internal logic circuit
Power supply of internal analog circuit
Channel 2 output
Resonant impedance (band-pass filter) connection pin
for bass boost section
Output of bass boosting resonant buffer amp
Input of bass boosting resonant buffer amp
R-rudder volume input of channel 2
TONE output of channel 2
Resonant impedance (band-pass filter) connection pin for treble section
32
33
34
35
36
37
38
39
40
41
42
FBAS2
NFBAS2
INBAS2
RECOUT2
IN2D
IN2C
IN2B
IN2A
MIC IN
VREFO
AGND
Resonant impedance (band-pass filter) connection pin for bass section
Output of BASS Amp in bass section
Input of BASS Amp in bass section
REC output of channel 2
Channel 2 input
Microphone input
RefAmp output
Ground of the internal analog circuit
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ABSOLUTE MAXIMUM RATINGS
(Ta=25°C,unless otherwise noted)
Symbol Parameter Ratings UnitConditions
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
AVdd Analog supply voltage
DVdd
Pd
Digital supply voltage
Power dissipation
K Thermal derating
Topr
Tstg
Operating temperature
Storage temperature
THERMAL DERATING
(MAXIMUM RATING)
1000
990
800
630
600
400
Ta ≤ 25°C
Ta > 25°C
9.0
7.0
990
9.9
-20~+75
-40~+125
V
V
mW
mW/°C
°C
°C
200
POWER DISSIPATION Pd (mW)
0
0 25
50
60
75 100 125
AMBIENT TEMPERATURE Ta (°C)
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