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NJW1145 PDF даташит

Спецификация NJW1145 изготовлена ​​​​«New Japan Radio» и имеет функцию, называемую «AUDIO PROCESSOR».

Детали детали

Номер произв NJW1145
Описание AUDIO PROCESSOR
Производители New Japan Radio
логотип New Japan Radio логотип 

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NJW1145 Даташит, Описание, Даташиты
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NJW1145
AUDIO PROCESSOR
s GENERAL DESCRIPTION
s PACKAGE OUTLINE
The NJW1145 is a audio processor with sound
enhancement (BBE). It includes all of the functions
processing audio signal for TV, such as tone control,
balance, volume, mute, and AGC functions.
Also the NJW1145 performs surround and sound
enhancement. The sound enhancement regenerates high
definitive and nearly real sound.
All of the internal status and variables are controlled by
I2C BUS interface.
NJW1145GK1
s FEATURES
q Operating Voltage
8 to 13V
q I2C BUS Interface
q BBE Sound Enhancement (Low Boost and High Boost: 15dB max.)
q Internal 6 Input Audio Selectors and Monitor Output
q The AGC circuit reduces volume difference among input sources.
q Variable AGC Compression Level via I2C (4-levels)
q NJRC Surround "eala" and Simulated Surround
q Variable Surround Effect Level via I2C
q Low Noise VCA
q Bi-CMOS Technology
q Package Outline
DaStaOSPh4e0e-tK41U.com
s BLOCK DIAGRAM
DataShee
IN1a
IN2a
IN3a
IN4a
IN5a
IN6a
IN1b
IN2b
IN3b
IN4b
IN5b
IN6b
MONa AGC
SEL VOL1
AGC
SEL VOL1
M ONb
NJRC
Surrond
“e ala”
&
Sim ulated
Stere o
TONE TONE
-Ha -La
OUTa
BBE
TONE
VOL2
BBE
TONE
VOL2
I2C BUS
Interface
SDA
SCL
CVA
CVB
CTH
CTL
CSR
CSB
Bias
GND
V cc
TONE TONE
-Hb -Lb
OUTb
Vref
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NJW1145 Даташит, Описание, Даташиты
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NJW1145
s PIN CONFIGURATION
et4U.com
Ach Input Terminal 1 1 IN1a
IN1b 40 Bch Input Terminal 1
Ach Input Terminal 2 2 IN2a
IN2b 39 Bch Input Terminal 2
Ach Input Terminal 3 3 IN3a
IN3b 38 Bch Input Terminal 3
Ach Input Terminal 4 4 IN4a
IN4b 37 Bch Input Terminal 4
Ach Input Terminal 5 5 IN5a
Ach Input Terminal 6 6 IN6a
IN5b 36 Bch Input Terminal 5
IN6b 35 Bch Input Terminal 6
Ach Monitor Output Terminal (-2dB) 7 MONa
MONb 34 Bch Monitor Output terminal (-2dB)
Surround Filter 1 8 SS FIL1
SR FIL2 33 Surround Filter 2
Ach BBE Filter 1 9 BBE1a
BBE1b 32 Bch BBE Filter 1
Ach BBE Filter 2 10 BBE2a
BBE2b 31 Bch BBE Filter 2
Ach Treble Filter 11 TDOaNtEa-SHaheet4U.cToOmNE-Hb 30 Bch Treble Filter
Ach Bass Filter 12 TONE-La
TONE-Lb 29 Bch Bass Filter
Ach Line Output Terminal (4.5dB) 13 LINEa
LINEb 28 Bch Line Output Terminal (4.5dB)
Ach Output Terminal (0dB) 14 OUTa
AGC Filter 15
Pop Noise Reduction Filter
f or Ach Volume & Balance
16
Pop Noise Reduction Filter
f or Bch Volume & Balance
17
A GC
CV a
CV b
I2C Bus Data Input 18 SDA
I2C Bus Clock Input 19 SCL
GND Terminal 20 GND
OUTb 27 Bch Output Terminal (0dB)
Pop Noise Reduction Filter
CSR 26 for Surround ON/OFF Control
CTH 25
CTL 24
Pop Noise Reduction Filter
f or Treble Control
Pop Noise Reduction Filter
f or Bass Control
CSB
23
Pop Noise Reduction Filter
for BBE ON/OFF Control
Vref 22 Ref erence Voltage Terminal
V+ 21 Pow er Supply Terminal
DataShee
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NJW1145 Даташит, Описание, Даташиты
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NJW1145
s ABSOLUTE MAXIMUM RATING (Ta=25°C)
PARAMETER
SYMBOL
Supply Voltage
V+
Power Dissipation
PD
Operating Temperature Range Topr
Storage Temperature Range
Tstg
RATING
14
700
-20 to +75
-40 to +125
UNIT
V
mW
°C
°C
et4U.com
s ELECTRICAL CHARACTERISTICS ( Ta=25°C, V+=9V, Rg=600, RL=47k, Vin=100mVrms/1kHz)
PARAMETER
SYMBOL
TEST CONDITION
MIN. TYP. MAX.
Operating Voltage
V+
8.0 9.0 13.0
Supply Current
Reference Voltage
ICC
VREF
No Signal
No Signal
- 13 25
4.0 4.5 5.0
Maximum Input Voltage
Maximum Output Voltage1
Maximum Output Voltage2
VIM
VOM1
VOM2
VOL=-20dB, THD=1%
OUTPUT
VOL=0dB, THD=1%
LINEOUT
VOL=0dB, THD=1%
2.8 3.0
- 2.5
- 2.5
-
-
-
MON OUT Gain
GVMON MON OUT
- -2.0 -
LINEOUT Gain
GVLINE LINEOUT, VOL=0dB
2.5 4.5 6.5
Maximum Gain
Minimum Gain
GVMAX
GVMIN
VOL=0dB
VOL=Mute, Vin=1Vrms
DBWata=S40h0eHetz4Uto.c3o0mkHz
-2.0 0.0 2.0
- - -70
Channel Balance
GCB VOL=0dB
-1.5 0.0 1.5
Balance Level A-A
Balance Level A-B
BALAA
BALAB
CHS=”0”,BAL=”11111”
CHS=”1”,BAL=”11111”
Vin = 1Vrms
BW=400Hz to 30kHz
-2.0 0.0 2.0
- - -70
Balance Level B-B
Balance Level B-A
Total Harmonic Distortion
Input Selector Cross Talk
Channel Separation
Output Noise 1
Output Noise 2
Output Noise 3
Output Noise 4
BALBB
BALBA
THD
CT
CS
VNO1
VNO2
VNO3
VNO4
CHS=”1”,BAL=”11111”
CHS=”0”,BAL=”11111”
Vin = 1Vrms
BW=400Hz to 30kHz
Vo=0.5Vrms
BW=400Hz to 30kHz
Vin=1Vrms
BW=400Hz to 30kHz
Vin=1Vrms
BW=400Hz to 30kHz
VOL=0dB
BW=400Hz to 30kHz
VOL=Mute
BW=400Hz to 30kHz
LINEOUT, VOL=0dB
BW=400Hz to 30kHz
LINEOUT, VOL=Mute
BW=400Hz to 30kHz
-2.0 0.0 2.0
- - -70
- - 0.5
- - -70
- - -70
- -90 -85
- (31.6) (56.2)
- -106 -96
- (5.0) (15.8)
- -85 -80
- (56.2) (100)
- -101 -91
- (8.9) (28.2)
UNIT
V
mA
V
Vrms
Vrms
Vrms
dB
dB
dB
dB DataShee
dB
dB
dB
dB
dB
%
dB
dB
dBV
(µVrms)
dBV
(µVrms)
dBV
(µVrms)
dBV
(µVrms)
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