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NJW1142 PDF даташит

Спецификация NJW1142 изготовлена ​​​​«New Japan Radio» и имеет функцию, называемую «AUDIO PROCESSOR».

Детали детали

Номер произв NJW1142
Описание AUDIO PROCESSOR
Производители New Japan Radio
логотип New Japan Radio логотип 

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NJW1142 Даташит, Описание, Даташиты
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NJW1142
PRELIMINARY
AUDIO PROCESSOR
s GENERAL DESCRIPTION
s PACKAGE OUTLINE
The NJW1142 is a sound processor includes all of the
functions required to process the audio signal for TV, such
as tone control, balance, volume, mute, and AGC functions.
Also the NJW1142 performs eala (NJRC Original
Surround) which is regenerated 3D surround sound with
only two speakers.
All of the internal status and variables are controlled by I2C
BUS interface.
NJW1142M
s FEATURES
q Operating Voltage
8 to 10V
q Internal 4 Input Audio Selectors and Monitor Output
q Low Noise VCA
q eala (NJRC Original Surround System)
q Simulated Stereo
q Variable AGC Compression Level via I2C (4-levels)
q Bi-CMOS Technology
q Package Outline
SDMP30
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sBLOCK DIAGRAM
DataShee
MONa AGC
TONE TONE
-Ha -La
OUTa
IN1a
IN2a
IN3a
IN4a
IN1b
IN2b
IN3b
IN4b
SEL
AGC
SEL
MONb
VOL1
VOL1
e ala
&
Sim ulated
Stere o
TONE
TONE
VOL2
VOL2
I2C BUS
Interface
SDA
SCL
CVA
CVB
CTH
CTL
Bias
GND
Vcc
TONETONE
-Hb -Lb
OUTb
Vref
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NJW1142 Даташит, Описание, Даташиты
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NJW1142
s PIN CONFIGURATION
et4U.com
1 IN1a
IN1b 30
2 IN2a
IN2b 29
3 IN3a
IN3b 28
4 IN4a
IN4b 27
5 MONa
MONb 26
6 SS FIL
SR FIL 25
7 TONE-Ha
TONE-Hb 24
8 TONE-La
TONE-Lb 23
9 LINEa
LINEb 22
10 OUTa
OUTb 21
11 CVa
AGC 20
12 CVb
CTH 19
13 SDA
CTL 18
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14 SCL
Vref 17
15 GND
V+ 16
DataShee
No. Symbol
Function
1
IN1a
Ach Input1
2
IN2a
Ach Input2
3
IN3a
Ach Input3
4
IN4a
Ach Input4
5 MONa Ach Monitor Output
6 SS FIL Surround Filter
7 TONE-Ha Ach Treble Filter
8 TONE-La Ach Bass Filter
9 LINEa Ach LINE Output(+4.5dB)
10
OUTa
Ach Output
11 CVA DAC Output for Ach Volume & Balance
12
CVB
DAC Output for Bch Volume & Balance
13
SDA
SDA Data Input (I2C BUS)
14
SCL
SCL Data Input (I2C BUS)
15
GND
GND
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-2-
Symbol
Function
16 V+ Power Supply Pin
17 Vref Reference Voltage
18 CTL DAC Output for Tone Low Frequency
19
CTH
DAC Output for Tone High Frequency
20
AGC
AGC Filter
21 OUTb Bch Output
22 LINEb Bch LINE Output(+4.5dB)
23 TONE-Lb Bch Bass Filter
24 TONE-Hb Bch Treble Filter
25 SR FIL Surround Filter
26 MONb Bch Monitor Output
27
IN4b
Bch Input4
28
IN3b
Bch Input3
29
IN2b
Bch Input2
30
IN1b
Bch Input1









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NJW1142 Даташит, Описание, Даташиты
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NJW1142
s ABSOLUTE MAXIMUM RATING (Ta=25°C)
PARAMETER
SYMBOL
Supply Voltage
V+
Power Dissipation
PD
Operating Temperature Range
Topr
Storage Temperature Range
Tstg
RATING
12
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 10.0
Supply Current
ICC No Signal
- 30 50
Reference Voltage
VREF
No Signal
4.0 4.5 5.0
Maximum Input Voltage
Maximum Output Voltage1
Maximum Output Voltage2
MON OUT Gain
VIM
VOM1
VOM2
GVMON
VOL=-20dB, THD=3%
OUTPUT
VOL=0dB, THD=1%
LINEOUT
VOL=0dB, THD=1%
MON OUT
2.8 3.0
- 2.5
- 2.5
- -2.0
-
-
-
-
LINEOUT Gain
GVLINE LINEOUT, VOL=0dB
2.5 4.5 6.5
Maximum Gain
Minimum Gain
Channel Balance
GVMAX
GVMIN
GCB
VOL=0dB
VOL=Mute, Vin=1Vrms
BW=400Hz to 30kHz
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VOL=0dB
-2.0 0.0 2.0
- - -70
-1.5 0.0 1.5
Balance Boost A
Balance Cut A
Balance Boost B
Balance Cut B
Total Harmonic Distortion
Input Selector Cross Talk
Channel Separation
Output Noise 1
Output Noise 2
Output Noise 3
Output Noise 4
BABST
BACUT
BBBST
BBCUT
THD
CT
CS
VNO1
VNO2
VNO3
VNO4
CHS=”0”,BAL=”11111”
CHS=”1”,BAL=”11111”
Vin = 1Vrms
CHS=”1”,BAL=”11111”
CHS=”0”,BAL=”11111”
Vin = 1Vrms
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
-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
dB DataShee
dB
dB
dB
dB
%
dB
dB
dBV
(µVrms)
dBV
(µVrms)
dBV
(µVrms)
dBV
(µVrms)
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