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MITSUBISHI SOUND PROCESSORS
M61500FP
TONE CONTROL/VOLUME CONTROL
DESCRIPTION
The M61500FP is the sound controller powerd by "QSurround" system. The "QSurround" system decodes and virtualize multi-speaker surround sound from various matrix surround encoded sources: Dolby Surround, stereo downmixed AC-3, stereo downmixed DTS. P roduces normal and wide 3D sound expansion from any stereo input signal. (Note) This device is producted under license from QSound Lab,Inc.(Canada) .
FEATURES
Built-in "QSurround" sound technology Electronic volume. 0 ~ -84dB, infinitesimal 2-band tone control Bass(0 ~ +21dB/3dB STEP) Treble(0 ~ +9dB/3dB STEP) 5 input selector(The fifth input can be used as REC OUT or MIC MIX.)
RECOMMENDED OPERATING CONDITIONS
Supply voltage range + 2.25~+ 2.75V
SYSTEM BLOCK DIAGRAM
MIC AMP REC OUT1 MIC MIC ALC TAPE CH2 INPUT TUNER CD AUX TAPE TUNER CD AUX
Electronic vol
REC OUT2
VOLUME
Treble
Bass
POWER AMP
4-mode selector (stereo/ mono SW)
QSurround
Electronic vol
SPEAKER
Treble
Bass
CH1 INPUT
C - 61500 - 98B
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BLOCK DIAGRAM
INA1 INB1 INC1 IND1 INE1
1 Mono.SW 2 3 4 5 VOL VOL
24 23 22 21 20
INA2 INB2 INC2 IND2 INE2
MUTE
Treble boost
Treble boost
QF1 QF2 TONEH1 TONEL1
6
19
QF4 QF3 TONEH2 TONEL2 OUT 2 VSS CONT
QSurround
7 8 9 10 11 12 Control logic
Bass boost Bass boost
18 17 16 15 14 13
ATT
ATT
OUT 1 GND VDD
Units Resistance :ohm Capacitance: F MITSUBISHI ELECTRIC
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PIN DESCRIPTION
Pin No. Name Function
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
IN A1 IN B1 IN C1 IN D1 IN E1 QF1 QF2 TONEH1 TONEL1 OUT1 GND VDD CONT VSS OUT2 TONEL2 TONEH2 QF3 QF4 IN E2 IN D2 IN C2 IN B2 IN A2
INPUTs of the channel 1 The swich of INE can be controlled independently. Please set"ALL OFF"mode when the switch of E is only ON. QSurround filter 1 QSurround filter 2 Treble control adjustment of the channel 1 Bass control adjustment of the channel 1 OUTPUT of the channel 1 Ground Supply voltage(+) Control data input from a microcontroller Supply voltage(-) OUTPUT of the channel 2 Bass control adjustment of the channel 2 Treble control adjustment of the channel 2 QSurround filter 3 QSurround filter 4 The swich of INE can be controlled independently. Please set "ALL OFF" mode when the switch of E is only ON.
INPUTs of the channel 2
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ABSOLUTE MAXIMUM RATONGS (Ta=25 C,unless otherwise noted)
Symbol
VDD-VSS K Pd Topr Tstg
Parameter
Supply voltage Thermal derating Power dissipation Operating temperature Storage temperature
Test conditions
Note:1
Rating
6.0 5 500 -20 ~ 75 -40 ~ 125
Unit
V mW/ C mW C C
Thermal derating(maximum rating)
0.75
Note.1 reference PC Board
Size :70mmX70mm Thickness:1.6mm Material :glass epoxy
0.5 Copper pattern dimension Width :0.25mm Length :25 ~ 30mm/lead Thickness:18um
0.25
0 0 25 50 75 100 125 150 Ambient temperature Ta [ C ]
Recommended operating conditions
Symbol
VDD VSS CONT
Parameter
Supply voltage(+) Supply voltage(-)
Control date input voltage
Pin No.
12 14 13
Condition
min.
2.25 -2.75 GND
Limits typ.
2.5 -2.5
max.
2.75 -2.25 VDD
Unit
V
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CONTROL SIGNALS SPECIFICATION Threshold of the internal (1) Wave form DATA(H/L)
Dn+0 (CLOCK, H DATA, M STROBE) L Dn+1 Dn+10 t Dn+11
or
Threshold of the internal STROBE.
1.25V 0V DATA:L DATA:H
2.5V t WH tr tf tr t WH tf t WL t WH tr
2.5V
Threshold of the internal CLOCK.
The internal DATA latch at the falling edges of this clock signal.
(2) Voltage control signal
Digital input signal
L signal M signal H signal L M H
Condition
VDD=2.5V,VSS=-2.5V VDD=2.5V,VSS=-2.5V VDD=2.5V,VSS=-2.5V
min.
GND 1.0 2.1
Limits typ.
1.25 (VDD/2)
max.
0.4 1.5 VDD
Unit
V
(3) Timing control signal
Symbol
t cr t WH t WLC tr tf
Parameter
Cycle time of digital signal Pulse width of digital signal("H"level) Pulse width of digital signal("L"level) Rise time of digital signal Fall time of digital signal
Limits min typ max Unit
8 3.6 3.6 0.4 0.4 usec
(4) Control signal example(Refer to page 6 on the control data)
An example of the mode control BYPASS/SURROUND SW:SURROUND VOL/TREBLE SHARE AMP GAIN:20dB INPUT :INA, VOLUME :0dB MUTE :OFF SURROUND MODE:QSurround SURROUND EFFECT:0dB MODE:STEREO BASS:18dB TREBLE:6dB RECOUT:ON(INE)
D112 D132 D02 D12 D22D32 D42D52D62D72D82D92 D102 D122 STROBE
(MSB)
2.5V 1.25V 0V (GND)
D111 D131 D01 D11D21D31 D41D51D61D71D81D91D101 D121 STROBE
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CONTROL DATA FORMAT
*It's nessesary to set up the all control data affer power on.
(1) INPUT DATA
(MSB)
D01 Slot1 0 Input order D11
Bypass/ Surround S W
D21
0:20dB 1:18dB 2:16dB 3:14dB
D31
D41
INPUT 0:IN A 1:IN B 2:IN C 3:IN D
D51
D61
D71
D81
D91 D101 D111
MUTE ON/OFF
D121 D131
CHIP/SLOT SELECT
Vol/Treble share amp gain S W
D2 to D6:(a)Master volume condition
0:OFF 1:ON
(INPUT ALL OFF)
0:select 1:no select 2:no select 3:no select
D02 Slot2
D12
D22
D32
D42
D52
D62
D72
D82
D92 D102 D112
IN E
D122 D132
CHIP/SLOT SELECT
Surround mode
Surround effect
Mode select 0:stereo 1:mono1 only 2:mono2 only 3:mono1+2
Bass(boost) 0:0dB, 1:3dB, 2:6dB, 3:9dB, 4:12dB, 5:15dB, 6:18dB, 7:21dB
Treble(boost) 0:0dB,1:3dB 2:6dB,3:9dB
ON/OFF
0:OFF 1:ON
0:no select 1:no select 2:no select 3:select
(a) 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 -40.0dB -44.0dB -48.0dB -52.0dB -56.0dB -60.0dB -64.0dB -68.0dB -72.0dB -76.0dB -80.0dB -84.0dB
the infinitesimal
(b) Input select
D71
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
D61
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
D81
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
D91
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
D101
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
Input select IN A IN E IN B IN C off IN D
IN A to D all OFF
D41
0 1 0 1 A: 0 B: 1 C: 0 D: 1
D51 D111 D112
0 0 1 1 0 0 1 1
0 1
0 1 *1
*2
*
*
IN A-D select
IN E on
0
1
*1) The input impedance is about 5k as input INE. *2) INE can be controlled independently. It can be used as Rec output.
(c)Mode control
Mode stereo mono1 only mono2 only mono1+2
(d)Treble control
D52 0 0 1 1
Treble
D42 0 1 0 1
D92 D102 0 1 0 1 0 0 1 1
0dB 3dB 6dB 9dB
(e)Bass control
Bass
D62 0 1 0 1 0 1 0 1
D72 D82 0 0 1 1 0 0 1 1 0 0 0 0 1 1 1 1
(f)Chip/Slot control
Chip/Slot
select(slot1)
0dB 3dB 6dB 9dB 12dB 15dB 18dB 21dB
D12* 0 1 0 1
D13* 0 0 1 1
no select no select
select(slot1)
(g)Treble amp gain SW
Gain SW
(h)Bypass/ Surround SW
Bypass/ Surround SW
(j)Surround effect (i)Surround mode
Mode
(Valid in the surround mode. Set 0dB at QSurround.)
D21
0 1 0 1
D31
0 0 1 1
D11
0 1
D02
0 1 0 1
D12
0 0 1 1
Effect
D22
0 1 0 1
D32
0 0 1 1
20dB 18dB 16dB 14dB
Bypass Surround
QSurround
-Wide surround Normal surround
+3dB 0dB -3dB -6dB
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(2) NOTICE OF CONTROL DATA 1.Input only the control data at (1) INPUT DATA. 2.The interval of data transmission from the microcontroller is over 0.1 sec.This is waiting time for soft-switching to reduce the shocknoise. 3.It's necessary to set up the all control data after poweron,although the internal circuit is forced as belows,when (VDDVSS)<3.3V(TYP). =
Parameter Condition
18dB Gain SW Input select ALL OFF infinitesimal Master volume ON(Input ALLOFF) MUTE Surround effect - 6dB Surround OFF Surround mode QSurround stereo Mode select 0dB Bass 0dB Treble ON IN E
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ELECTRICAL CHARACTERISTICS
(VDD=2.5V,VSS=-2.5V,f=1kHz,Vi=100mV(rms),VOL=0dB,BASS=0dB,TREBLE=0dB,VOL/TREBLE SHARE AMP=18dB,SURROUND=BYPASS,RL=10K,Ta=25 C,unless otherwise noted)
Limits Symbol
IDD ISS Gv1 Gv2 Vomax THD No1 No2 ATTmax GB1 GB2 GB3 GB4 GB5 GB6 GB7 GT1 GT2 GT3 Treble boost Bass boost
Maximum attenuation
Parameter
Circuit current of positive power supply Circuit current of negative power supply Voltage gain (selector) Voltage gain (tone control) Maximum output voltage Total harmonic distortion
Condition Quiescent Quiescent
Vol/Treble share amp gain=18dB Bypass Vol/Treble share amp gain=18dB QSurround mode Vi=20mVrms RL=10k,THD=1% BW=400 ~ 30kHz JIS-A,Rg=5.1k,VOL=the infinitesimal BYPASS JIS-A,Rg=5.1k,VOL=the infinitesimal QSurround mode Output referencelevel(Vo=1Vrms), ATT= the infinitesimal ,JIS-A
min.
typ.
30 -30
max.
45 -45 20 29.5
Unit
mA mA dB dB Vrms
16 25.5 1.2
18 27.5 1.6 0.02 6 11 -95
0.08 15 30 -90 4.5 7.5 10.5 13.5 16.5 19.5 22.5 4.5 7.5 10.5
% uVrms uVrms dB
Output noise voltage
3dB 6dB 9dB 12dB 15dB 18dB 21dB 3dB 6dB 9dB
f=1kHz, Vo=80mVrms
1.5 4.5 7.5 10.5 13.5 16.5 19.5
3 6 9 12 15 18 21 3 6 9
dB
f=1kHz, Vo=80mVrms
1.5 4.5 7.5
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FUNCTION DESCRIPTION
(1) Equivalent circuit of the bass boost
1 IN Fo= 2 1 C1+C2
(Hz)
R1(R2+R3)C1C2 C1C2R2 R1 R2+R3 R1 R3 R1 +2
(dB)
R3
R2
Q=.
.
9,16
10,15
(C1=C2)
TONEL
OUT C1 C2 R1
Gv=20log
+2
R2,R3 (typical)
Bass boost
3dB
6dB
9dB 12dB 15dB 18dB 21dB 46 0
Resistor (k)
R2 15.4 25.7 32.9 38.7 41.6 44.2 R3 30.6 20.3 13.1 7.3 4.4 1.8
(2) Equivalent circuit of the treble boost
IN OUT Fc=.
.
1 2
. .R2 C1 (Hz)
R1 Gv=20log R3 R2
1 Zc= j
R1+ (R2+Zc)//R3 (R2+Zc)//R3
(ohm)
(dB)
C1
8,17
R2 (typical)
Treble boost
TONEH
C1
3dB 5.3
6dB 2.2
9dB 1.2
R2 (k)
R1,R3 (typical)
Gain
14dB 16dB 18dB 20dB 10.88 13.65 17.21 21.60 2.72 2.57 2.48 2.40
R1 (k) R3 (k) MITSUBISHI ELECTRIC
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APPLICATION EXAMPLE
INA1 INB1 INC1 IND1 INE1
1 Mono.SW 2 3 4 5 VOL VOL MUTE
24 23 22
INA2 INB2 INC2 IND2 INE2
21 20
Treble boost
Treble boost
6
0.01u
19
QSurround
7
0.033u
0.01u
18
0.033u
8
0.22u 2.2K 0.22u
ATT
ATT
17 16
0.22u 2.2K 0.22u
9 10 11 12 Control logic
Bass boost Bass boost
15 14
OUT1
OUT2
VSS= -2.5V
13
VDD=2.5V
Units
Resistor : ohm Capacitor: F
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OUTLINE
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