is a surround processor including all of
the necessary circuits of Dolby Pro Logic Surround
decoder and digital delay.
In addition to Dolby Pro Logic Surround function, it
performs easily other surround f unction such as Hall, Live,
Disco and others.
Dolby and double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
San Francisco, CA94103-4813.US A.
This device is available only t o l i censees of Dolby Lab.
Licensing and application information may be obtained from Dolby Lab.
FEATURES
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l Operating Voltage : V
=10V(Analog Block), VDD=5V(Digital Block)
CC
l Digital Delay on chip
l Serial Data Interface(3-wire)DATA, REQ, SCK
l Bi-CMOS Technology
l Package OutlineQFP80, QFP100
FUNCTION
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[Dolby Pro Logic Surround]
l Automatic input balance
l Noise sequencer
l Adaptive matrix
l Center channel control
(Wide band, Normal, Phantom, Off)
l Modified B-type noise reduction
l 7kHz low-pass filter
l Dolby 3 stereo mode
l Digital time delay(15,20,25,30msec.)
PACKAGE OUTLINE
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NJW1104FC2-80NJW1104FC2
[Other Surround]
l Surround Signal Selector
(L+R, L-R, EXTIN)
l Front mixing control
l Digital time delay
(15,20,25,30,40,50,60msec.)
[Other Function]
l Digital auxiliary outputs
(AUX1-AUX10)
SYSTEM BLOCK DIAGRAM
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LIN
RIN
EXTIN
Input Autobalance
Noise Sequencer
Adaptive Matrix
L+R
L-R
MCU Interface
Center Mode
7KHz
LPF
Modified
B-NR
ADD/SUB
.
Delay
SW. Controller
-
LOUT
COUT
ROUT
SOUT
Ver.1.0
- 1 -
NJW1104
ABSOLUTE MAXIMUM RATING (Ta=25°C)
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PARAMETER
Supply Voltage
Power Dissipation
Operating Temperature Range
Storage Temperature Range
*
SYMBOL
V
CC
V
DD
P
D
T
opr
T
stg
RATING
13
6.5
(QFP80) 1.3
(QFP100) 1.3
-20 to +75
-40 to +125
UNIT
V
W
°C
°C
*On board
ELECTRICAL CHARACTERISTICS (V
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PARAMETERSYMBOLTEST CONDITIONMIN.TYP.MAX.UNIT
OVERALL
u
Supply Voltage RangeV
Supply CurrentI
Reference VoltageV
Threshold VoltageV
INPUT AUTO BALANCE
u
Capture RangeCPR-5-
Error CorrectionCER-4-
ADAPTIVE MATRIX (0dB=300mVrms, f=1kHz at Cin Cout)
u
Output Level Accuracy
relative to Cch
Matrix Rejection relativeMRL,R,S’ch.out2540-dB
HeadroomHR-AMVCC=9V at THD=1%1517-dB
Total Harmonic Distortio nTHD-AML,R,C,S’ch.out at 4ch.mode
Signal to Noise RatioSNAMRg=0,wt:CCIR-ARM at 4ch.mode
NOISE SEQUENCER
u
Output Noise LevelVno-15.0-12.5-10.0dB
Output Noise Level
Accuracy relative to Cch
MODIFIED B-TYPE NOISE REDUCTION (0dB=300mVrms, f=100Hz at Sin Sout)
u
Voltage GainGV-NRVin=0dBd,f=100Hz-9.5-dB
Decode Responce1DEC1Vin=0dBd,f=1kHz-1.6-0.11.4dB
Decode Responce2DEC2Vin=-15dBd,f=1.4kHz-3.0-1.50.0dB
Decode Responce3DEC3Vin=-20dBd,f=1.4kHz-4.9-3.4-1.9dB
Decode Responce4DEC4Vin=-40dBd,f=5kHz-6.8-5.3-3.8dB
Total Harmonic DistortionTHDNRVin=0dBd,f=1kHz-0.070.3%
HeadroomHRNRVCC=9V at THD=1%1517-dB
Signal to Noise RatioSNNRRg=0,weightted:CCIR/ARM7378-dB
=10V, VDD=5V, Ta=25°C)
CC
4.5
0.7V
0.0
9
-
-
DD
CC
V
DD
CC
I
DD
REF
thh
V
VolL,R,S’ch.out-0.500.5dB
D
No Signal
No Signal
No Signal3.64.04.4V
Digital input high level
Digital input low level
thl
-
L,R,ch.out at 2ch.mode
-
75
L,R,ch.out at 2ch.mode
VnoL,R,S’ch.out-0.50.00.5dB
D
93
10
5
37
6
-
-
0.05
0.002
80
100
13
5.5
50
10
V
0.3V
0.2
0.1
DD
DD
-
-
V
V
mA
mA
V
V
%
%
dB
dB
Ver.1.0
- 2 -
NJW1104
ELECTRICAL CHARACTERISTICS (V
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PARAMETERSYMBOLTEST CONDITIONMIN.TYP.MAX.UNIT
OTHER SURROUND
u
Total Harmonic DistortionTHDOSVin=0dBd,f=1kHz
HeadroomHROSVCC=9V at THD=1%
Signal to Noise RatioSNOSRg=0,weighted:CCIR/ARM
DIGITAL TIME DELAY
u
Delay TimeTdf
Total GainGv-3.00.03.0dB
Total Harmonic DistortionTHDVin=0.3Vrms
Maximum Output VoltageVomaxVin:f=1kHz
Output Noise VoltageNoRg=600
DIGITAL AUXILIARY OUTPUT
u
Low Level OutputVOLOutput Current=-1mA0.0-0.3V
High Level OutputVOHOutput Current=1mA0.7V
=10V, VDD=5V, Ta=25°C)
CC
L+R,L-R output
L+R,L-R mode
L+R,L-R mode
=4MHz
OSC
Td=15.4ms-0.30.6%
f=1kHz
30kHz LPF
30kHz LPF,THD=3%
W
Vin=0Vrms
JIS-A
Td=20.5ms-0.30.6%
Td=25.6ms-0.40.8%
Td=30.7ms-0.51.0%
Td=41.0ms-0.61.2%
Td=51.2ms-0.71.4%
Td=61.4ms-0.81.6%
Td=15.4ms--85-75dBV
Td=20.5ms--85-75dBV
Td=25.6ms--85-75dBV
Td=30.7ms--80-70dBV
Td=41.0ms--80-70dBV
Td=51.2ms--80-70dBV
Td=61.4ms--75-65dBV
-0.050.2dB
1517-dB
7580-dB
12.415.418.4ms
17.520.523.5ms
22.625.628.6ms
27.730.733.7ms
38.041.044.0ms
48.251.254.2ms
58.461.464.4ms
1.51.8-Vrms
DD
DD
-VDDdB
dB
Ver.1.0
- 3 -
NJW1104
0
4
0
3
4
3
0
1
0
1
0
1
1
1
PACKAGE OUTLINE (QFP100-C2)
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80
23.9
20.0
±0.
±0.
51
0 - 10°
5081
.
.
±
±
17.9
14.0
.
±
0.15
PIN CONNECTION
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Pin No.Pin NamePin No.Pin NamePin No.Pin Nam ePin No.Pin Name
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.
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