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DIGITAL SOUND CONTROLLER
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M62493FP
DIGITAL SOUND CONTROLLER
SINGLE CHIP ANALOG SOUND PROCESSOR
DESCRIPTION
Home Audio, Equipment, Radio-Cassette, Recorder, TV.
FEATURES
6-input selector Input ATT (-5dB) [ ON / OFF ] 5 band graphic equalizer ; 1 band (0,±3.8,±7.6,±13dB) 4 band (0,±3,±6,±10dB) Elactric volume 32 steps (.dB to -76dB,-) Treble, Bass boost [ ON / OFF ] Outline 80P6N Surround (Using external delay) [ ON / OFF ] Pitch ; 0.8 mm Vocal cancel [ ON / OFF] Size ; 20.0 mmX14.0mmX Multilingual record switching [ ON / OFF ] 2.8mm SW mode for control of DPL fields 2-lines for Rec output, 1-line for mute output. Input / output of adapter supporting karaoke control. Ability fair a single power,±power. (The outside COM power is necessary when uses single power.) Supper woofer output Output of spectrum analyzer (L+R)
RECOMMENDED OPERATING CONDITION Power voltage range · · · ±4.5V to ±7.5V [9V to 15V (When uses single power) ] SYSTEM BLOCK DIAGRAM
KEY (CH1/CH2) IN A IN B IN C IN D IN E IN F Bass boost DPL RECOUT X2 (2-outputs) (CH1/CH2)
SW FOR; Multilingnal swiching , Vocal cancel, Surround and DPL mode
OUT
6-Input seisctor
Tone Treble boost Electric volume
L+ R (spectrum analyzer) LATCH
µ-com INTERFACE
SUPPER WOOFER OUTPUT
DATA
CLK
RECOUT1 (2-outputs)
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M62493FP
DIGITAL SOUND CONTROLLER PIN CONFIGURATION AND IC INTERNAL BLOCK DIAGRAM
40
VOLIN2 FOUT2 F6F2 F5F2 F4IN2
39
+ -
38
37
36 35
34
33
32
31
30
29
28
27
26
+ -
25
VOLIN1 FOUT1 F6F1 F5F1 F4IN1
MICROCOMPUTER INTERFACE
+
+ F4O2 F4F2 F3IN2 F3O2 F3F2 F2IN2 F2O2 F2F2 F1IN2 F1O2 + F1F2 RECB2
SW6-2
F4O1 + F4F1 F3IN1 + F3O1 F3F1 F2IN1 + F2O1 F2F1 F1IN1 F1O1 F1F1 +
20K 20K
RECB1 +
SW6-1 SW5-1
20K 10K
RECA2
SW5-2
RECA1 DOUT1 KEYIN1 DELAY OUT DELAY IN
DOUT2 KEYIN2 LPFO LPFIN LROUT INF2
20K
10K
SW12-2
+
MICIN INF1
65
66
67
68
69
70
71
72
73 74
75
76
77
78
79
80
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M62493FP
DIGITAL SOUND CONTROLLER
ABSOLUTE MAXIMUM RATINGS
System
AVDD,AVSS DVDD Pd K
Parameter
Analog supply voltage Digital supply voitage Power disipation Thermal derating Operating temperature Storage temperature
Condition
Ratings
± 7.8 6.0
Unit
V V mW mW / °C °C °C
Ta 2°C Ta > 25°C
Attached PC Board*
1250 12.5 -20 to +55 -40 to +125
Topr
Tstg
TYPICAL CHARACTERISTICS THERMAL DERATING
1.5
*Note ; PC Board
1.25W 1.0 875mW
0.5
PC Board Size 140mm X140mm PC Board Thickness 1.6mm PC Board Material Epoxy Copper Film Thickness 18µm Copper Foil Size 0.25mm X50mm
0 0 25 50
55
75
100
125 Ta (°C)
150
AMBIENT TEMPERATURE
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M62493FP
DIGITAL SOUND CONTROLLER
RECOMMENDED OPERATION CONDITION
( Ta = 25°C,unless otherwise noted ) Limits Parameter Circuit current of analog positive power voltage Circuit current of analog negative power voltage Circuit current of digital power voltage High-level Input voltage VIH Low-level Input voltage DVDD-0.7 VDD V Symbol AVDD AVSS DVDD Condition
Note.1
Unit MAX 7.5 -4.5 5.5 V V V
MIN 4.5 -7.5 4.5
TYP 7.0 -7.0 5.0
Note.1
DVDD AVDD
VIL
0
DGND+0.7
V
Note 1 ; The sequence of the power supply is as follows. AVDD AVSS DVDD
RELATIONSHIPS BETWEEN DATA AND CLOCK
Latch signal
H DATA
D0
L H
D1
D8
D9
D0
CLOCK
L H
LATCH L DATA reading mode ; The rising edge of the CLOCK signal. LATCH reading mode ; The rising edge of the LATCH signal.
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M62493FP
DIGITAL SOUND CONTROLLER
CLOCK AND DATA TIMING
t cr
CLOCK
tr
75% 25%
tf t
WLC
t
75%
WLC
DATA
25%
tr
t
SD
t HD tr t SL
tf
t WHC tf
75% 25%
LATCH
DIGITAL BLOCK TIMING REGULATION
Symbol
t cr t WHC t WLC tr t f t SD t HD t SL t WHL
CLOCK cycle time
Parameter
CLOCK pulse width ( ``H''level ) CLOCK pulse width ( ``L''level ) CLOCK,DATA,LATCH rise time CLOCK,DATA,LATCH fall time DATA setup time DATA hold time LATCH setup time LATCH pulse width
Min
4 1.6 1.6
Limirs typ
Max
Unit
0.4 0.4 0.8 0.8 1 1.6
µsec
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M62493FP
DIGITAL SOUND CONTROLLER
DATA INPUT FORMAT
5 kinds of input format option are available by changing slot setting of D5,D6,andD7. ( When tha IC is powered up, the internal setting are not fixed.)
Input direction (1)
DO1
Input ATT
SLOTS OF INPUT FORMAT SELECTION
FIXATION BIT OF ADDRESS
D11
Tone ATT
D21
D31
D41
D51
D6
D7
D8
D9
1 : -5dB 0 : 0dB
1 : -6dB 0 : 0dB
For the multipiex software
cf. (8) Setting code
For the function software cf. (11) Setting code
0
D6
0
D7
1
D8
1
D9
(2)
DO2
D12
For Input Selector
D22
D32
LOW BOOST sw15-1,2 : ON sw14-1,2: : A
D42
HI BOOST
D52
SW12-2 1 : B-SIDE 0 : A-SIDE
1: ON
1: ON
sw13-1,2 : ON
0
D6
1
D7
1
D8
1
D9
cf. (10) Setting code
0: OFF
0: OFF
(3)
DO3
D13
D23
D33
D43
D53
For Tone Control cf. (5) Setting code
Foe Tone Boost / cut cf. (6) Setting code
1
D6-1
0
D7-1
1
D8-1
1
D9-1
(4-1)
DO4-1
D14-1
D24-1
D34-1
D44-1
D54-1
For Master Volume cf. (7) Setting code
0
D44-2 D54-2
1
D6-2
1
D7-2
1
D8-2
1
D9-2
(4-2)
DO4-2
D14-2
D24-2
REC OUTPUT MUTE
D34-2
For REC Input Signal cf. (9) Setting code
1 : ON
sw6-1,2 : OFF
0
0
1
1
1
1
1
0 : OFF
(5) Setting code ( Tone control ) D03 D13 Tone 1 (F1) 0 0 Tone 2 (F2) 1 0 Tone 3 (F3) 1 0 Tone 4 (F4) 0 1 Tone 5 (F5) 0 1
D23 1 0 1 0 1
Note; Do not input other data than the above.
(6) Setting code ( Tone boost / cut and bass boost ) D43 D53 F1 F2 to F5 D33 +0 dB +0 dB 0 0 0 +3.8 dB +3 dB 0 0 1 +7.6 dB +6 dB 1 0 0 +13 dB +10 dB 0 1 1 -0 dB -0 dB 1 0 0 -3.8 dB -3 dB 1 0 1 1 0 -7.6 dB -6 dB 1 1 -13 dB -10 dB 1 1
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M62493FP
DIGITAL SOUND CONTROLLER
(7) SETTING CODE ( MASTER VOLUME ) ATT
0.0dB 2.0dB 4.0dB 6.0dB 8.0dB 10.0dB 12.0dB 14.0dB 16.0dB 18.0dB 20.0dB 22.0dB 24.0dB 26.0dB 28.0dB 30.0dB 32.0dB 34.0dB 36.0dB 38.0dB 40.0dB 42.0dB 44.0dB 48.0dB 52.0dB 56.0dB 60.0dB 64.0dB 68.0dB 72.0dB 76.0dB
(8) MULTILINGUAL RECORD CODE D24 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 D34 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 D44 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
NORMAL CH1 only CH2 only
CH1 / CH2 Exchange
D04 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
D14 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1
D21 0 0 1 1
D31 0 1 0 1
SW3-1 SW3-2
B B A A
B A B A
(9) REC INPUT SIGNAL CHANGE SETTING CODE
INPUT SIGNAL THROUGH DPL GND
D04-2 0 1 0
D14-2 0 0 1
SW5-1 SW5-2
A C B
(10) INPUT SELECTOR CODE
SELECTOR
D02 0 0 0 0 1 1
D12 0 0 1 1 0 0
D22 0 1 0 1 0 1
A B C D E F
(11) FUNCTION CODE
INPUT SIGNAL
NORMAL
VOCAL CANCELLATTION
D41 0 0 1
D51 0 1 0
sw4-1 sw8 sw10-1 sw10-2 sw11-1 sw12-1 sw4-2 sw11-2
OFF OFF ON ON ON OFF
A B A
A B A
A A B
A A B
SURROUND
Note ; Do not input other data than the above.
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M62493FP
DIGITAL SOUND CONTROLLER
ELECTRICAL CHARACTERISTICS
( Ta=25°C, AVdd=7V,AVss= -7V,DVdd=5V,f=1kHz,unless otherwise noted. Tone control and boost are set to 0dB )
(1) POWER SUPPLY CHARACTERISTICS Parameter
Circuit current (Analog+)
Symbol
AIdd
Test conditions
Current at pin 70 with AVdd=7.0V,AVss= -7.0V No signal Current at pin 74 with AVdd=7.0V,AVss= -7.0V No signal Current at pin 31 with DVdd=5.0V No signal
Limits Min typ 50
Max 58
Unit
mA
Circuit current (Analog-)
AIss
-58
-50
mA
Circuit current (Digital)
DIdd
0.3
1.2
mA
(2) INPUT / OUTPUT CHARACTERISTICS Parameter
Input resistance Max. input voltage Output pin voltage Pass gain Max. attenuation Output noise voltage
Symbol
Rin VIM Vodc Vrecdc Gv
ATT
Test conditions
76pin,69Pin
Limits Min typ 30 60 4.0 0.0 0.0 0
-85
Max 120
Unit
K Vrms
Input pin (76,64), Output pin (29,36) 3.0 RL =10K, THD=1% 29pin,36pin, No signal 7pin,58pin, No signal Vin=1Vrms,FLAT,(76,69pin)-(29, 36pin)gains. Vo=1Vrms,29,36pin JIS-A filter JIS-A filter (29,36 )pin No signal,Rg=10K (7,58 )pin FLAT condition 29pin,36pin, BW=400 to 30kHz Vo=0.5Vrms, RL=10k 7pin,58pin, BW=400 to 30kHz Vo=0.5Vrms, RL=30k 8pin,57pin, BW=400 to 30kHz Vo=0.5Vrms, RL=51k
Vo=0.5Vrms , RL=10K,JIS-A 29pin - 36pin gains Rg=10K 2pin GND Vo=0.5Vrms , RL=30K,JIS-A 7pin - 58pin gains Rg=10K 2pin GND
-0.4 -0.4 -2.0
0.4 0.4 2.0
-77
V V dB dB µVrms µVrms % % % dB dB
Vono Vrecno THD
10.0 10.0 0.01 0.01
24 20 0.05 0.05
Distortion factor
THDrecA THDrecB CT
0.01 0.05 -70 -70 -55 -55
Crosstalk between channels CTrec
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DIGITAL SOUND CONTROLLER
(3) TONE CONTROL CHARATERISTICS Parameter Symbol
F1
Test condition
3.8dB 3 dB 7.6dB 6 dB
Limits Min typ 2.3 1.5 6.1 4.5 3.8 3 7.6 6 13 10 -3.8 -3
Max 5.3
Unit
dB
Gboost1
F2 to 5 F1
4.5 9.1 dB 7.5 15.0 12.0 -2.3 -1.5 dB dB dB
Gboost2
F2 to 5
Voltage Gain (Tone control )
Gboost3
Gcut1
13 dB f=1kHz, Vo=1Vms 11.0 Input pin (6,59) F2 to 5 10 dB 8.0 Output pin(23,42) gains. F1 -3.8dB -5.3
F2 to 5 -3 dB F1
F1
-4.5 -9.1 -7.5
Gcut2
F1
-7.6dB
-7.6 -6.1 -6 -4.5 -11.0 -8.0 9.5
F2 to 5 -6 dB
-13dB
Gcut3
F2 to 5 -10 dB
-15.0 -13 -12.0 -10 6.5 8
dB
Voltage Gain (HI Boost)
Balance between channels
Hboost
Input pin (6,59) - Output pin (23,42) gains. Each of boost,+10,-10dB conditions.
dB
BALton
-1.5
0
+1.5
dB
(4) CH1 / CH2 MIX SIGNAL Parameter
Gain Supper woofer output Distortion factor Output noise voltage
Symbol
GvSW THDSW VnoSW GvLR
Test conditions
Condition same as Gv RL=30k BW=400 to 30kHz Vo=0.5Vrms , RL=30K Condition same as Vono No signal, JIS-A filter Condition same as Gv RL=51k
Limits Min 8 typ 10 Max 12
Unit
dB % µVrms dB
0.03 0.15 70 -2 0 170 2
L+R Output voltage
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M62493FP
DIGITAL SOUND CONTROLLER
MASTER VOLUME CIRCUIT
- 0 dB
3477
+ -
- 2 dB
2758
- 4 dB
2192
- 6 dB
1739
- 8 dB
1383 1097 2389 6680 1900
- 10 dB - 12 dB - 14 dB - 16 dB
MASTER VOLUME SETTING CODE
D04 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
D14 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1
D24 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1
D34 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1
D44 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
ATT
- 0.0dB - 2.0dB - 4.0dB - 6.0dB - 8.0dB - 10.0dB - 12.0dB - 14.0dB - 16.0dB - 18.0dB - 20.0dB - 22.0dB - 24.0dB - 26.0dB - 28.0dB - 30.0dB - 32.0dB - 34.0dB - 36.0dB - 38.0dB - 40.0dB - 42.0dB - 44.0dB - 48.0dB - 52.0dB - 56.0dB - 60.0dB - 64.0dB - 68.0dB - 72.0dB - 76.0dB -
1508
- 18 dB
1197
- 20 dB
950 756 600
- 22 dB - 24 dB - 26 dB
476 379 5862 1542 4656
- 28 dB - 30 dB - 32 dB - 34 dB
3698
- 36 dB
2938
- 38 dB
2334
- 40 dB
1854
- 42 dB
1472
- 44 dB
2099
- 48 dB
1324
- 52 dB
835
- 56 dB
527
- 60 dB
332
- 64 dB
210 132
- 68 dB - 72 dB
83.5
- 76 dB
143
-
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M62493FP
DIGITAL SOUND CONTROLLER
FUNCTION DESCRIPTION
(1) TONE CONTROLLER EQUIVALENT CIRCUIT
R3 FBASS Center frequency C1 OUT BASS R1 Q= C2 (R1 · R2 )/ C1(R1+R3) f0 = 1 / 2 C1 · C2 · R1 · R2 [Hz]
2
C2 INBASS
F1
R2
F2
1.49k 306k
F3
1.49k 306k
F4
1.49k 306k
F5
R1 R2
1.49k 306k
Fig.1 ; The equivalent circuit of tone controller.
C1 Fig.2 is equivalent to Fig.1. To convent component constans, the eqution below is used.
L
R1
L=C2 · R1 · R2
Fig.2 ; The equivalent circuit using L
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M62493FP
DIGITAL SOUND CONTROLLER
(2) VOCAL CUT L.P.F EQUIVALENT CIRCUIT
51K R2 51K R1 51K R3 C1 0.068u 0.01u C2
T(S) =
Aw 0 S2 + w + w 0 Q
0
2
Q=
R1 · R2 · C1 · C2 R1 · R2 R2 · C2 + R1 · C2 + C2 R3
A = - R1 R2
w0 = 1
Q
C1
1 1 1 ( R1 + R2 + R3 )
w 0 = R1 · R21· C1 · C2
At the time of ; R1=R2=R3 , Become ; A = -1 fc = 1 2 1 3 R1 · R2 · C1 · C2 C1 C2 At the time of ; R1=R2=R3=51k, C1=0.068uF,C2=0.01uF Become ; fc ÷120Hz Q ÷ 0.87
Q=
( Using Q
Pay attention to In-Output turning over, because using turnig over mode.
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M62493FP
DIGITAL SOUND CONTROLLER
(3) BASS BOOST EQUIVALENT CIRCUIT
Bass boost
3.0K
Q=4,fc= 70Hz Q=4 (G=10dB ) GO
0.1µ
0.1µ 200K
0 dB
Orginal return type 2 dimensions HPF circuit of Bass boost. R1
f0 Amplitude characteristic of HPF (Reference) Q GO 0 to 1 dB dB 6 dB 10 dB 13 20 dB VOUT
VIN
C1
C2 +K R2
1 2 4 5 10
Communication function is ; VOUT VIN = Ks s2 +s 1 R2C1 + 1 R2C2 2 1 R1C1 + 1 R1R2C1C2 Q=
w0
2
1 = R1R2C1C2 1
+(1-K)
R1C1 + R2C2
R1C2 +(1-K) R2C2 R2C1 R1C1
Bass boost consists of orginal return type 2 dimensions HPF circuit of upper figure. To the following showing an example of method of design calculction of Bass boost. At the time of ; C 1 = C 2 = C f, K = +1 The upper expression becomes ; R f = 1 / ( w0 C f ) · · · · (1) R 1 = R f / 2 Q · · · · · · · (2) R 2 = 2 Q R f · · · · · · · (3) R1,R2 is about 3.0K,200K When cut off frequency is 70Hz , w0=2 x 70Hz, Q=4,condition. At the time of ; C1=C2=C f=0.1µF From ; (1),(2),(3) Become ; R f=22.7 K R1 = 2.84K R2 = 182 K
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MITSUBISHI SOUND PROCESSORS
M62493FP
DIGITAL SOUND CONTROLLER
(4) VOCAL CANCELLATION EQUIVALENT CIRCUIT
( L+C )
( h+m+l ) ( R+L+2C ) ( R+L+2C) ( h+m+l ) + LPF (1) --
(R -L
( h+m+2 l ) ( h+m ) +2C l
)
x
+
y
-- ( R-L) ( R+C) ( h+m+l ) ( h+m+l ) --
(R -L
( h+m+2 l ) ( h+m ) +2C l
)
(5) SURROUND EQUIVALENT CIRCUIT
L+ C
+ L-R R-L -- THROUGH or DELAY --
2L - R + C
R+ C
2R - L + C
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MITSUBISHI SOUND PROCESSORS
M62493FP
DIGITAL SOUND CONTROLLER
+
+
+ + +
+ +
+ -
+ -
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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M62493FP
DIGITAL SOUND CONTROLLER
+
+
+
+
+
+
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M62493FP
DIGITAL SOUND CONTROLLER
+
+
+
+
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MITSUBISHI SOUND PROCESSORS
M62493FP
DIGITAL SOUND CONTROLLER
APPLICATION CIRCUIT
(±Power) 560p 40 10u +
2200p 620 0.012u
BUFOUT2
1.0k
BUFOUT1
Output of Spectrum analyzer
1.0k
560p 29 28 27 26 25 10u +
620 2200p
39
38
37
36 35
34
33
32
31
30
+ +
+
MICROCOMPUTER INTERFACE
+
0.012u
470p 0.012u
+ + + + + +
+
470p 0.012u
0.0015u 0.033u
0.0015u 0.033u
0.0047u 0.1u
+
0.0047u 0.1u
0.015u 0.33u
0.015u
+ + +
+
+
0.33u
RECB2
SW6-2
RECB1
RECA2
SW5-2
+
20K
+
20K
SW6-1 SW5-1
20K 10K
RECA1 DPL1
DPL2
20K
10K
+
+ + +
0.01µ 0.068µ
SW12-2
DELAY
+
5.1K
MIC IN
IN2F
IN1F
DPL
65
66
67
68
69
70
71
72
73 74
75
76
77
78
79
80
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