njw1103a ETC-unknow, njw1103a Datasheet

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njw1103a

Manufacturer Part Number
njw1103a
Description
Surround Processor With Dolby Logic Surround Decoder
Manufacturer
ETC-unknow
Datasheet
which contains all of the necessary functions of Pro Logic
decoder include time delay.
surround such as Matrix, Hall, etc. and echo and mic mixing
function for karaoke.
Dolby and double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
San Francisco, CA94103-4813.USA.
This device is available only to licensees of Dolby Lab.
Licensing and application information may be obtained from Dolby Lab
DESCRIPTION
FEATURES
FUNCTION
BLOCK DIAGRAM
The NJW1103A is a Dolby Pro Logic Surround processor
Features include not only Dolby Pro Logic but also other
Operating Voltage
Digital Delay on Chip
Cch, Sch Channel Level Trimmer
Digital Noise Sequencer
Karaoke Function (Echo, Mic Mixing)
Serial Data Interface (DATA, REQ, SCK)
Bi-CMOS Technology
Package
Dolby Pro Logic Surround
Automatic input balance
Digital Noise sequencer
Adaptive matrix
Center channel control
(wideband, normal, phantom)
Modified B-type noise reduction
7kHz low-pass filter
Dolby 3 stereo mode
Digital time delay
Surround processor with Dolby Pro Logic Surround Decoder
Lin
Rin
MIC
L+R
L-R
V
QFP80-C3
CC
=9V(Analog), V
LPF
SURROUND FILTER
A/D
PRO LOGIC DECODER
ECHO FILTER
DD
DIGITAL DELAY
=5V(Digital)
16k SRAM
BY -PASS
S
Adaptive Matrix
Modified B NR
.
7kHz LPF
Other Surround
Karaoke
D/A
&
LPF
VOL
Sound field control
Front mixing control
Digital time delay
Echo control
Mic mixing
R
C
PACKAGE OUTLINE
L
+/ -
MCU INTERFACE
REQ
SCK DATA
TRIMMER
TRIMMER
NJW1103AFC3
P R E L I M I N A R Y
NJW1103A
Rout
Cout
Dout
Sout
Lout
- 1 –A

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njw1103a Summary of contents

Page 1

... Surround processor with Dolby Pro Logic Surround Decoder DESCRIPTION The NJW1103A is a Dolby Pro Logic Surround processor which contains all of the necessary functions of Pro Logic decoder include time delay. Features include not only Dolby Pro Logic but also other surround such as Matrix, Hall, etc. and echo and mic mixing function for karaoke ...

Page 2

... NJW1103A PACKAGE OUTLINE (QFP80-C3 ±0.2 0.6 Pin No. Pin Name Pin No. 1 FILTER 2 LOUT 3 ROUT COUT SOUT 8 CMC 9 SMRO 10 SMRI 11 AGND 12 MIC IN 13 DVDD 14 TEST CNT 15 DATA 16 SCK 17 REQ 18 LO1 19 LO2 20 LO3 - 2 - ±0.3 22.8 ±0.2 20.0 ±0.05 0.8 0.35 Pin Name Pin No. ...

Page 3

... Vno Vno L,R,S’ch Output GV-NR vin=0dBd, f=100Hz DEC1 vin=0dBd, f=1kHz DEC2 vin=-15dBd, f=1.4kHz DEC3 vin=-20dBd, f=1.4kHz DEC4 vin=-40dBd, f=5kHz THD-NR vin=0dBd, f=1kHz HRNR V =9V, THD=1% CC SNNR Rg=0, weightted:CCIR/ARM NJW1103A RATINGS 11 7 1.37 -20 to +75 -40 to +125 MIN. TYP. MAX 4 ...

Page 4

... NJW1103A ELECTRICAL CHARACTERSTICS (V PARAMETER OTHER SURROUND Total Harmonic Distortion Headroom Signal to Noise Ratio Cch, Sch TRIMMER Full Scale Trimmer Step DIGITAL TIME DELAY Delay Time Total Gain Total Harmonic Distortion Maximum Output Voltage Output Noise Voltage DELAY VOLUME Total Gain Maximum Attenuation ...

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