MITSUBISHI SOUND PROCESSORS
M62492FP
DIGITAL SOUND CONTROLLER WITH SURROUND
DESCRIPTION
The M62492FP is an optimum digital sound controller IC for home audio.
It has a 5ch input selector,input trimmer,surround(3 variation),tone control(3 band) and master volume.
It can control all of these functions with serial data.
The IC is also available for Dolby Pro-logic Surround, because it has independent 4ch volume.
FEATURES
Built-in 5ch input selector
Built-in input volume
Built-in Surround(ON / OFF,High / Middle / Low(3 variation))
Electric volume(A and B volume)
Volume level ---- 0dB to -79dB,-
dB(1dB / step)
Tone control
Bass / Mid / Treble,0dB to ±10dB(2dB / step)
Bass boost +10dB(ON / OFF)
3 Output ports
Built-in microcomputer interface controlled by 16-bit serial data.
PACKAGE
Outline
80P6N-A
0.8mm Pitch QFP
(20.0 mm x 14.0 mm x 2.8 mm)
RECOMMENDED OPERATING CONDITIONS
Supply voltage range (analog)AVDD=4.5 to 7.3V
AVSS=-7.3 to 4.5V
(logic) DVDD=4.5 to 5.5V
Rated supply voltage (analog)AVDD=7V
AVSS=-7V
(logic) DVDD=5V
SYSTEM CONFIGURATION
IN A1
IN B1
IN C1
IN D1
IN E1
IN A2
IN B2
IN C2
IN D2
IN E2
INPUT
VOLUME
TONE
CONTROL
&
BASS
BOOST
AVOL1
AVOL
OUT 1
AVOL2
INPUT
VOLUME
SURROUND
BVOL1
AVOL
OUT2
BVOL
OUT 1
BVOL2
µ-com
INTERFACE
BVOL
OUT2
CLK
PORT1
PORT2
PORT3
LATCH
DATA
D-62492SO-8XA
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ELECTRIC
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MITSUBISHI SOUND PROCESSORS
M62492FP
DIGITAL SOUND CONTROLLER WITH SURROUND
PIN CONFIGURATION AND IC INTERNAL BLOCK DIAGRAM
40
BVOL INP2
SELOUT2
T2R3
T2R2
T2O2
T2I2
T2R1
T2O1
T2I1
BBSW2
BBO2
BBNI2
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
BVOL INP 1
SELOUT1
T1R3
TONE
PASS
TONE
PASS
T1R2
T1O2
T
N
S
BVOL
SELECT
0
1
1
0
T
N
S
T1I2
BVOL
SELECT
12k
12k
T1R1
T1O1
T1I1
150k
150k
BBSW1
BBO1
150k
12k
12k
BBNI1
150k
BBPI2
TONEIN2
SUROUT2
SUR R
SUR 2
SUR 1
OUT2
E2
D2
C2
B2
INPUT
A2
INPUT
+
-
BBPI1
TONEIN1
SUROUT1
NC3
NC2
NC1
OUT1
E1
D1
C1
B1
A1
PORT OUTPUT
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
*NC:NO CONNECTION
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ELECTRIC
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MITSUBISHI SOUND PROCESSORS
M62492FP
DIGITAL SOUND CONTROLLER WITH SURROUND
PIN DESCRIPTION
Pin No.
1,2,3,4,5
60,61,62,63,64
6,59
10,55
11,54
12,53
13,52
14,51
15,50
16,49
17,48
18,47
19,46
20,45
21,44
22,43
23,42
24,41
25,40
26,39
27,38
28,37
D-62492SO-8XA
Function
A1,B1,C1,D1,E1 Input pin for channel 1 and 2 of the input
A2,B2,C2,D2,E2 selector switch block
OUT1,OUT2
SUROUT1,
SUROUT2
TONEIN1,
TONEIN2
BBPI1,BBPI2
BBNI1,BBNI2
BBO1,BBO2
BBSW1,BBSW2
T1I1,T2I2
T1O1,T2O2
T1R1,T2R1
T1I2,T2I2
T1O2,T2O2
T1R2,T2R2
T1R3,T2R3
SELOUT1,
SELOUT2
BVOL INP1,
BVOL INP2
BVOL INN1,
BVOL INN2
BVOL OUT1,
BVOL OUT2
TONEOUT1,
TONEOUT2
AVOL IN1,
AVOL IN2
Resonant impedance(band-pass filter)
connection pin for bass boost section
Input pin of resonance buffer amplifier of
the 1st element
Output pin of resonance buffer amplifier of
the 1st element
(Band-pass filter)connection pin of resonance
impedance of the 1st element
Input pin of resonance buffer amplifier of
the 2nd element
Output pin of resonance buffer amplifier of
the 2nd element
(Band-pass filter)connection pin of resonance
impedance of the 2nd element
(Band-pass filter)connection pin of resonance
impedance of the 3rd element
Output pin of the Bvol selector
This is non-inverted input pin of the Bvol
This is inverted input pin of the Bvol
Output pin of Bvol
Output pin of the tone pass selector
Input pin of the Avol block
MITSUBISHI
ELECTRIC
Symbol
Output pin of the input volume 1 and 2 block
Output pin of the surround block
Input pin of the tone control block
External parts of bass boost block
connection pin
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MITSUBISHI SOUND PROCESSORS
M62492FP
DIGITAL SOUND CONTROLLER WITH SURROUND
Pin No.
29,36
30
31
32
33
34
35
56
57
58
70,72,74
71
73
75,76,77
7,8,9,65,66,67,
68,69,78,79,80
Symbol
AVOL OUT1,
AVOL OUT2
AVDD
DVDD
CLOCK
DATA
LATCH
DGND
SUR R
SUR2
SUR1
GND
AVSS1
VDD2
PORT1 to 3
NC1 to 11
IC signal ground.Apply 1/2AVDD.(Connect to GND
when used by double-power sources)
This is a power pin on minus side.
This has the lowest potential in this IC
Power supply of port
Output pin of port
Non-connection pin
External parts of surround block
connection pin
Function
Output pin of the Avol block
Positive power pin of the internal analog
circuit
Power supply of internal logic circuit
Clock input pin for serial data transfer
Input pin of control data
Input pin of latch signal
Ground pin of the internal logic circuit
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ELECTRIC
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MITSUBISHI SOUND PROCESSORS
M62492FP
DIGITAL SOUND CONTROLLER WITH SURROUND
ABSOLUTE MAXIMUM RATINGS
Symbol
AVDD,
VDD2
DVDD
Parameter
Analog supply voltage
Digital supply voltage
Power dissipation
Thermal derating
Operating temperature
Storage temperature
Conditions
Limits
15.6
6.0
Units
V
V
W
mW/
°C
°C
°C
Pd
K
Ta<2°C
Ta>25°C
Equipped with
standard board(Note1)
1.25
12.5
-20 to +65
-55 to +125
Topr
Tstg
THERMAL DERATING (MAXIMUM RATING)
1.5
(Note1) Standard board
Size of printed circuit board
140mm x 140mm
Thickness of printed circuit board
1.6mm
Material of printed circuit board
Glass epoxy
Single-side Cu pattern
Thickness of Cu
18µm
Size of Cu pattern
0.25mm(Width)
x 50mm(length) / lead
100
125
150
1.25W
1.0
0.75W
0.5
0
0
25
50
65
75
AMBIENT TEMPERATURE Ta(°C)
D-62492SO-8XA
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ELECTRIC
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