View M62462FP_323913.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

ot a re subject a This is n Notice r;ametric limits pa some
PR
Ya I M I NnAl Recifictoticohna.nge. sp EL fi a
MITSUBISHI SOUND PROCESSORS
M62462FP
Dolby Pro Logic Surround Decoder
Description
The M62462FP is a Single Chip Dolby Pro Logic Surround Decoder.This LSI has all functions necessary for Dolby Pro Logic Surround.
Dolby and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.San Francisco,CA94103-4813,USA. This device available only to licensees of Dolby Lab. Licensing and application information may be obtained from Dolby Lab.
Outline
Features
Outline 64P6N 0.8mm pich QFP (14.0mm*14.0mm*2.8mm)
Includes all functions necessary for Dolby Pro Logic Surround -Adaptive Matrix -Input Auto-Balance -Noise Sequencer -Center Mode Control ON/OFF, WIDE/NORMAL/PHANTOM -Modified Dolby B type Noise Reduction -4 channel (Lch/Rch/Cch/Sch) / 3 channel (Lch/Rch/Cch) -Digital delay Delay time:15.4 to 51.2msec Cch/Sch Master Volume 0 to -84dB/1dB step 3-lines MCU control Current control oscillation circuit for system clock
System Configuration
M62462FP
Lch IN
L
Input AutoBalance Control
Lch OUT Rch OUT Cch OUT Sch OUT
Adaptive Matrix
S'
R C
Center/ operating mode control
Rch IN
Noise Sequencer
Master Volume
Lch Rch
L+R 2 L-R
7kHz LPF
Modified S Dolby B-NR
Center Master Volume Surround Master Volume
CENTER
SURROUND
Delay IN
Digital Delay
MCU Interface
DATA SCK REQ
MITSUBISHI ELECTRIC ( 1 / 13 )
MITSUBISHI SOUND PROCESSORS
M62462FP
Dolby Pro Logic Surround Decoder
48 46 44 42 39 45 40 38
47
43
41
37
36
35
34
33
RLC8
49
FULL WAVE RECTIFIER
LOG DIFFERENCE AMPLIFIERS DUAL-TIME CONSTANT AND THRESHOLD SWITCHES
MODIFIED B-TYPE NR DECODER
BNR IN DBC2 DBC1
DBC3
PSC4
PSC1
PSC5
PSC2
PSC6
PSC3
RLC3
RLC7
RLC4
RLC1
RLC2
RLC5
32 31
FBIN
RLC6
50
COMBINNING NETWORKS
LPF2 OUT
LPF
30
F.B. VOL
LBPF2
51
LPF2 IN2
10Kbit SRAM 29 28
VCA
BPF S'
L+R L-R
LBPF1
52
L C R
LPF2 IN1
RBPF2
53 BPF
DAINT OUT
D/A
27 26
RBPF1
54
SELECTER AUTO BALANCE
DAINT IN
SW4
CENTER MODE CONTROL
A/D
SERVO
57
L-R
RT
56
L
RC
LOGIC
VCA
25
1 2
ADCONT
24
3 4 L+R 2
LIN RIN
58
ADINT OUT
23
2
ADINT IN
22
1 3
Ya I M I NnAl Recifictoticohna.nge. sp EL fi a
FIG.1 Pin Configuration
AVcc
59
VREF
AVcc
LPF1 OUT
LPF
VREF
60
IREF
21
2 2 1 3 3 1
LPF1 IN2
CLK
NOISE SEQUENCER
ot a re subject a This is n Notice r;ametric limits pa some
IREF
61 62
20 19
TEST
LPF1 IN1
NGC3 NGC2 NGC1
DSEL OUT
63 64
L R C S S'
VOL
VOL
AGND DVdd
MCU INTERFACE REQ DVss DATA SCK
18
TEST
17
DVss
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
CVOLOUT
ROUT
SVOLOUT
S'OUT
AGND
SOUT
LOUT
CMC
CVOLIN
COUT
SVOLIN
DVdd
DATA
PR
REQ
DIN
SCK
MITSUBISHI ELECTRIC ( 2 / 13 )
SW3 SW2
LT
55
DACONT
SW1
PR
BY-PASS
1
SW1
PROLOGIC
2
NOISE SEQUENCER
MUTE BY-PASS
3 1
Lout
L
PROLOGIC
2
Lin
R
MUTE
3
Fig.2 Block Diagram
ot a re subject a This is n Notice r;ametric limits pa some
CENTER MODE CONTROL
SW2
Rout
SELECTOR
Ya I M I NnAl Recifictoticohna.nge. sp EL fi a
Rin
S'
INPUT AUTO-BALANCE
ADAPTIVE MATRIX
C
WIDE NORMAL PHANTOM OFF
MASTER VOLUME
LPF A/D
LPF
4
D/A
MITSUBISHI ELECTRIC ( 3 / 13 )
L+R 2
L-R
DIGITAL DELAY 10Kbit SRAM
SW3
1 2
Modified BNR
Cout Sout
MASTER VOLUME
SW4
2
1
3
LOGIC
3
Dolby Pro Logic Surround Decoder
Din
F.B. VOL
MCU INTERFACE
MITSUBISHI SOUND PROCESSORS
M62462FP
REQ
SCK
DATA
ot a re subject a This is n Notice r;ametric limits pa some
PR
Ya I M I NnAl Recifictoticohna.nge. sp EL fi a
MITSUBISHI SOUND PROCESSORS
M62462FP
Dolby Pro Logic Surround Decoder
7.FUNCTIONAL DESCRIPTION
FUNCTION
1 Fundamental function for Dolby Pro Logic Surround Decoder
DESCRIPTION
-Adaptive Matrix -Input Auto-Balance -Noise Sequencer -Center Mode Control ON/OFF WIDE/NORMAL/PHANTOM -Modified Dolby B type Noise Reduction -4ch(L,R,C,S), 3ch(L,R,C) Mode Switch 10K-bit RAM 15.4, 20.5, 25.6, 29.2msec (for Dolby Pro Logic Surround) 51.2msec (for Space Surround) Digital delay circuit can be used for Space Surround such as a Disco, Hall or Live. Delay Signal Feedback Volume -3 to -21 dB/3dB step, and 0 to -84dB/1dB step, and Bypass the decode circuit Mute the Lch and Rch output Controlled by 3-lines serial data from MCU Including the Chip Address (2 bit) Including the oscillation circuit without external parts.
2
RAM for Digital Delay
3 Surround Delay Time
4 Circuit for Space Surround
5 Feedback Volume
6 Cch/Sch Master Volume 7 Bypass Switch 8 9 Output Mute MCU Interface
10 Current control oscillation circuit
MITSUBISHI ELECTRIC ( 4 / 13 )
ot a re subject a This is n Notice r;ametric limits pa some
PR
Ya I M I NnAl Recifictoticohna.nge. sp EL fi a
MITSUBISHI SOUND PROCESSORS
M62462FP
Dolby Pro Logic Surround Decoder
9.ABSOLUTE MAXIMUM RATINGS
(Ta=25 C Unless otherwise noted)
Symbol Vcc
VDD
Parameter
Supply Voltage Operating Temperature Storage Temperature
Conditions
Ratings 10.5 6.5 -20 to +75 -40 to +125
Unit V V C C
Topr Tstg
10.RECOMMENDED OPERATING CONDITION Symbol Vcc
VDD
Parameter
Supply Voltage
Condition
Min
Limits Typ
Max
Units V V
8 4.5
9 5
10 5.5
MITSUBISHI ELECTRIC ( 5 / 13 )
ot a re subject a This is n Notice r;ametric limits pa some
PR
Ya I M I NnAl Recifictoticohna.nge. sp EL fi a
MITSUBISHI SOUND PROCESSORS
M62462FP
Dolby Pro Logic Surround Decoder
11.ELECTRICAL CHARACTERISTICS
(Ta=25 C,Vcc=9V,VDD=5V ,Cch volume=0dB,at C-OUT 0dBd=300mVrms,f=1kHz unless otherwise noted)
Symbol
Total Icc IDD Vref CPR CER VoL MR HRAM THDAM SNAM
Parameter
Circuit current Circuit current Reference voltage Capture range Error collection
Output level accuracy relative to Cch
Test conditions
No signal No signal No signal
Limits Min Typ Max
Units
mA mA V dB dB dB dB dB % dB dB dB dB
25 25 4.0 5 4
Auto-Balance
Adaptive Matrix
L, R, S'ch output L, R, C, S'ch output L, R, C, S'output L, R, C, S'ch output 4ch mode
Matrix rejection Head room Total harmonic distortion S/N ratio
0 40 17 0.05 80 -12.5
Rg=0,weighted CCIR/ARM 4ch mode
Noise Sequencer Vno Output noise level Vno
Noise level accuracy relative to Cch
L, R, S'ch output
0
Modified B Noise Reduction (Sch Volume=0dB, 0dB reference is 300mVrms/100Hz at S-Out) Gain between input and -9.2 Vin=0dBd,f=100Hz VGNR output DEC1 Vin=0dBd,f=1.0kHz -0.1 Decode character 1 DEC2 Decode character 2 Vin=-15dBd,f=1.4kHz -1.5 DEC3 DEC4 THDNR HRNR SNNR Decode character 3 Decode character 4 Total harmonic distortion Head room S/N ratio Vin=-20dBd,f=1.4kHz Vin=-40dBd,f=5.0kHz Vin=0dBd,f=1kHz THD=1%
Rg=0, weighted CCIR/ARM
-3.4 -5.3 0.07 17 78 -90 1.0 0 0.3 92
dB % dB dB dB dB dB % dBV % dB
C,S ch Master Volume ATTmax Maximum attenuator Volume step VOLS Digital Delay Gain between input and Gv output Total harmonic distortion THDD No Output noise voltage Total harmonic distortion S/N ratio Line(at Dolby Pro Logic is off) THDLN SNLN
ATT=-
Td=20msec,Vin=0dBd Td=20msec,Vi=0Vrms,JIS-A L,Rch output L,Rch output
0.002 100
MITSUBISHI ELECTRIC ( 6 / 13 )
ot a re subject a This is n Notice r;ametric limits pa some
PR
Ya I M I NnAl Recifictoticohna.nge. sp EL fi a
MITSUBISHI SOUND PROCESSORS
M62462FP
Dolby Pro Logic Surround Decoder
12.SERIAL DATA CONTROL FORMAT Data Input Format DATA is read at the rising edge of SCK, and loaded last 16 bits at the rising edge of REQ.
DATA SCK REQ D0 D1 D2 D3 D4 D5 Mode Set Delay Time
Noise Sequencer
Pro Logic Mode D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15
D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 Sch Volume Chip Address
L L H L H H
Center Mode
AutoBalance
set to "L"
Cch Volume
Feedback Volume
Space Surround Mode
Test Mode
Control condition
Control Mode 1 Mode Set Contents Normal Stereo / Dolby Pro Logic / Space Surround / Mute 4ch Pro Logic / 3ch stereo 15.4, 20.5, 25.6, 29.2, 51.2 msec ON / OFF Lch / Rch / Cch / Sch Wide / Normal / Phantom / OFF Input Auto-Balance ON / OFF
2 Pro Logic Mode 3 Delay Time
4 Noise Sequencer 5 6 Center Mode Auto-Balance
7 Space Surround Mode 8 Feedback Volume 9 Cch/Sch Volume
Input to Delay L-R / (L+R)/2 / Din(External) BNR ON / OFF -3 to -21dB / 3dB step and 0 to -84dB / 1dB step and Input data effecte or not
MITSUBISHI ELECTRIC ( 7 / 13 )
-
10 Chip Address
ot a re subject a This is n Notice r;ametric limits pa some
PR
Ya I M I NnAl Recifictoticohna.nge. sp EL fi a
MITSUBISHI SOUND PROCESSORS
M62462FP
Dolby Pro Logic Surround Decoder
Set Conditions Mode Setting (D0="L",D1="L") D2 L L H H D3 L H L H Condition
Normal stereo (bypass) Dolby Pro Logic Surround Space surround Output Mute Switch SW1 SW2 SW4
1 2 1 3
1 2 1 3
4 1 2to4 4
Pro Logic Mode Setting(D0="L",D1="L") D4 L H Condition 4ch Pro Logic 3ch Stereo
SW3
1 3
Center Mode Setting (D0="L",D1="L") D5 L L H H D6 L H L H Condition Wide Normal Phantom OFF
Delay Time Setting (D0="L,D1="H") D2 L L L L H D3 L L H H L D4 L H L H L Condition 15.4msec 20.5msec 25.6msec 29.2msec 51.2msec
MITSUBISHI ELECTRIC ( 8 / 13 )
Sampling frequency 500kHz 500kHz 400kHz 333kHz 200kHz
ot a re subject a This is n Notice r;ametric limits pa some
PR
Ya I M I NnAl Recifictoticohna.nge. sp EL fi a
MITSUBISHI SOUND PROCESSORS
M62462FP
Dolby Pro Logic Surround Decoder
Auto-Balance Setting (D0="L",D1="H") D5 L H Condition Auto-Balance OFF Auto-Balance ON
Noise Sequencer (D0="H",D1="L") D2 L D3 L L H H H D4 L H L H Noise Sequencer ON Condition Noise Sequencer OFF Lch Rch Cch Sch
Space Surround Mode (D0="H",D1="L") D5 L L H H D6 L H L H D7 Delay input
Condition L-R (L+R)/2 Din(External)
Switch SW3 SW4
-
2 3 4
L H
BNR OFF BNR ON
2 1
-
MITSUBISHI ELECTRIC ( 9 / 13 )
ot a re subject a This is n Notice r;ametric limits pa some
PR
Ya I M I NnAl Recifictoticohna.nge. sp EL fi a
MITSUBISHI SOUND PROCESSORS
M62462FP
Dolby Pro Logic Surround Decoder
Feedback Volume D8 L L L L H H H H D9 D10 L L H H L L H H L H L H L H L H
Volume Level
-3dB -6dB -9dB -12dB -15dB -18dB -21dB -
Chip Address D14 L Others D15 H Data Read Enable Unable
MITSUBISHI ELECTRIC ( 10 / 13 )
ot a re subject a This is n Notice r;ametric limits pa some
PR
Ya I M I NnAl Recifictoticohna.nge. sp EL fi a
MITSUBISHI SOUND PROCESSORS
M62462FP
Dolby Pro Logic Surround Decoder
Sch Volume Setting (D0="L",D1="L") Cch Volume Setting (D0="L",D1="H")
Volume Level
D7 L L L L L L L L L L L L L L L L H H H H H H H H H H H H H H H H
D8 L L L L L L L L H H H H H H H H L L L L L L L L H H H H H H H H
D9 L L L L H H H H L L L L H H H H L L L L H H H H L L L L H H H H
D10 L L H H L L H H L L H H L L H H L L H H L L H H L L H H L L H H
D11 L H L H L H L H L H L H L H L H L H L H L H L H L H L H L H L H
Volume Level
D12 L L H H
D13 L H L H
0 dB -2 dB -4 dB -6 dB -8 dB -10 dB -12 dB -14 dB -16 dB -18 dB -20 dB -22 dB -24 dB -26 dB -28 dB -30 dB -32 dB -34 dB -36 dB -40 dB -44 dB -48 dB -52 dB -56 dB -60 dB -64 dB -68 dB -72 dB -76 dB -80 dB -84 dB -
0 dB -1 dB -2 dB -3 dB
MITSUBISHI ELECTRIC ( 11 / 13 )
ot a re subject a This is n Notice r;ametric limits pa some
PR
Ya I M I NnAl Recifictoticohna.nge. sp EL fi a
MITSUBISHI SOUND PROCESSORS
M62462FP
Dolby Pro Logic Surround Decoder
13.APPLICATION EXAMPLE
C30 1000p C32 1 30 32 31 C33 1 33 C29 4700p 29
C27 0.068 C26 0.1 26 27 28 C25 0.1
C23 0.068
C21 1000p
C20 4700p 20
C19 1
24
23
21
25
22
19
REQ
MCU interface
16
SCK
34
MODIFIED B-TYPE NR DECODER
35
14
C35 0.047 R36 330k
DATA
15
C34 5600p
MCU
AGND
C37 0.22
DUAL-TIME CONSTANT AND THRESHOLD SWITCHES
C12 10
1 4 2 3
C38 0.22 39
38
SW4
C39 4.7 40
3 2
C40 4.7 41 C41 0.22 42 C42 0.22 43 C43 0.1
9
SW3
S'
10
11
C9 0.1
VOL
S
8
1
S'
CENTER MODE
C8 10 7
COMBINNING NETWORKS
CONTROL
R
C6 10
RC
C
L
SW2
SERVO
3 2 1 3 2 1
LOG DIFFERENCE AMPLIFIERS
AUTO BALANCE
44
VCA
C44 0.047 45 C45 0.047 46 C46 0.1 47
5
VCA
6
L
C4 10
VOL
4
SELECTER
SW1
C3 10 2 C2 10 1
FULL WAVE RECTIFIER
L+R L-R
C47
0.1 48
AVcc
C48 0.022
BPF
53 51 52 50
BPF
54 55 56 57 58 59
C1 10 62 63 64
49
60
C52 0.1
C53 680p
C54 0.1
C51 680p
RA51 15k R51 47k
R54 7.5k
R52 7.5k
R53 47k
C49 0.022
C50 0.1
C60 220
R61 100k
61
C62 10 R63 C63 220k 5600p C64 47
C55 0.1
C56 0.1
RA53 15k
C59 C58 C57 10 10 100
Rin
MITSUBISHI ELECTRIC ( 12 / 13 )
AVcc +9V
Lin
Lout
L
NOISE SEQUENCER IREF VREF
Cout Rout
R
C
3
Sout
Din
37
12
L+R 2
L-R
F.B. VOL
C36 0.68
C13 0.1
DVdd +5V
CLK
DVdd
36
13
DVss
TEST
18
17
LPF
A/D LOGIC
D/A
10Kbit SRAM
LPF
ot a re subject a This is n Notice r;ametric limits pa some
PR
Ya I M I NnAl Recifictoticohna.nge. sp EL fi a
MITSUBISHI SOUND PROCESSORS
M62462FP
Dolby Pro Logic Surround Decoder
14.EXTERNAL PARTS LIST
Parts No. C1 C2 C3 C4 C6 C8 C9 C12 C13 C19 C20 C21 C23 C25 C26 C27 C29 C30 C32 C33 C34 C35 C36 C37 C38 C39 C40 C41 C42 C43 C44 C45 C46 C47 C48 C49 Values 10 10 10 10 10 10 0.1 10 0.1 1 4700 1000 0.068 0.1 0.1 0.068 4700 1000 1 1 5600 0.047 0.68 0.22 0.22 4.7 4.7 0.22 0.22 0.1 0.047 0.047 0.1 0.1 0.022 0.022 Unit F F F F F F F F F F pF pF F F F F pF pF F F pF F F pF pF F F F F F F F F F F F Tol. Parts No. C50 C51 C52 C53 C54 C55 C56 C57 C58 C59 C60 C62 C63 C64 Values 0.1 680 0.1 680 0.1 0.1 0.1 10 10 100 220 10 6800 47 Unit F pF F pF F F F F F F F F pF F Tol. 20% 5% 5% 5% 5% 5% 5%
10%
5% 5% 5% 5% 5% 5% 5% 5%
10% 5%
5% 5% 10% 10% 10% 20% 20% 10% 10% 20% 5% 5% 20% 20% 5% 5%
R36 R51 RA51 R52 R53 RA53 R54 R61 R63
330 47 15 7.5 47 15 7.5 100 220
k k k k k k k k k
10% 5% 5% 5% 5% 5% 5% 1% 5%
MITSUBISHI ELECTRIC ( 13 / 13 )

▲Up To Search▲

Price & Availability of M62462FP

	To Download M62462FP Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .