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NJW1137 PDF даташит

Спецификация NJW1137 изготовлена ​​​​«New Japan Radio» и имеет функцию, называемую «AUDIO PROCESSOR».

Детали детали

Номер произв NJW1137
Описание AUDIO PROCESSOR
Производители New Japan Radio
логотип New Japan Radio логотип 

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NJW1137 Даташит, Описание, Даташиты
NJW1137
P R E L I M I N A LY
AUDIO PROCESSOR with SOUND ENHANCEMENT
www.datasheet4u.com
s GENERAL DESCRIPTION
The NJW1137 is an audio processor with sound
enhancement (BBE). It includes all of functions processing
audio signal for TV, such as tone control, balance, volume,
mute, NJRC original surround, and AGC functions.
The NJRC original surround system reproduces natural
surround sound and clear vocal orientation.
The sound enhancement regenerates high definitive and
nearly real sound.
All of internal status and variables are controlled by I2C
BUS interface.
s PACKAGE OUTLINE
NJW1137L
NJW1137M
s FEATURES
q Operating Voltage
8 to 13V
q I2C BUS Interface
q BBE Sound Enhancement (Low Boost and High Boost: 15dB max.)
q AGC Circuit (It reduces volume difference among input sources.)
q eala(NJRC Original Surround)
q Simulated Surround
q Bi-CMOS Technology
q Package Outline
SDIP30, SDMP30
s BLOCK DIAGRAM
VOL1
BBE
AGC
e ala
&
Sim ulated
Surround
VOL1
BBE
TONE
VOL2
I2C Bus
Interface
TONE
VOL2
Bias
- 1 –F









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NJW1137 Даташит, Описание, Даташиты
NJW1137
s PIN FUNCTION
www.datasheet4u.com
1 INa
2 BBE1a
3 BBE2a
4 BBEOUTa
5 TONE INa
6 TONE-Ha
7 TONE-La
8 OUTa
9 AGC
10 SS-FIL
11 CVB
12 CVA
13 SDA
14 SCL
15 GND
INb 30
BBE1b 29
BBE2b 28
BBEOUTb 27
TONE INb 26
TONE-Hb 25
TONE-Lb 24
OUTb 23
SR-FIL 22
VREF 21
CTH 20
CTL 19
AUX0 18
AUX1 17
Vcc 16
No. Symbol
Function
1 INa Ach Input
2 BBE1a Ach BBE Filter1 (Process)
3 BBE2a Ach BBE Filter2 (Lo Contour)
4 BBE OUTa Ach Output for the Other Accessories
5 TONE INa Ach Input From the Other Accessories
6 TONE-Ha Ach Treble Filter
7 TONE-La Ach Bass Filter
8
OUTa
Ach Output
9
AGC
AGC Filter
10 SS-FIL Simulated Stereo Filter
11
CVB
DAC Output for Bch Volume & Balance
12
CVA
DAC Output for Ach Volume & Balance
13
SDA
SDA Data Input (I2C BUS)
14
SCL
SCL Data Input (I2C BUS)
15
GND
GND
No Symbol
Function
16 Vcc Power Supply Pin
17 AUX1 Auxiliary Output1
18 AUX0 Auxiliary Output0
19 CTL DAC Output for Tone Low Frequency
20
CTH
DAC Output for Tone High Frequency
21 VREF Reference Voltage
22 SR-FIL NJRC Original Surround Filter
23 OUTb Bch Output
24 TONE-Lb Bch Bass Filter
25 TONE-Hb Bch Treble Filter
26 TONE INb Bch Input from the Other Accessories
27 BBE OUTb Bch Output for the Other Accessories
28 BBE2b Bch BBE Filter2 (Process)
29 BBE1b Bch BBE Filter1 (Lo Contour)
30 INb Bch Input
-2-









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NJW1137 Даташит, Описание, Даташиты
NJW1137
s ABSOLUTE MAXIMUM RATING (Ta=25°C)
PARAMETER
www.datSasuhpepelty4uV.ocoltmage
Power Dissipation
SYMBOL
V+
PD
Operating Temperature Range
Topr
Storage Temperature Range
Tstg
RATING
14
700
-20 to +75
-40 to +125
UNIT
V
mW
°C
°C
s ELECTRICAL CHARACTERISTICS
( Ta=25°C, V+=9V, Rg=600, RL=47k, Vin=100mVrms/1kHz unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITION
MIN. TYP.
Operating Voltage
V+
8.0 9.0
Supply Current
ICC No Signal
- 13
Reference Voltage
Maximum Input Voltage
Maximum Output Voltage
Channel Balance
VREF
VIM
VOM
GCB
No Signal
VOL=-20dB,THD=1%
OUTPUT
VOL=0dB,THD=1%
VOL=0dB
4.0 4.5
2.8 3.0
- 2.5
-1.5 0.0
Balance Boost A
Balance Cut A
Balance Boost B
Balance Cut B
Total Harmonic Distortion
Maximum Gain
BABST
BACUT
BBBST
BBCUT
THD
GVMAX
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
VOL= 0dB
-2.0 0.0
--
-2.0 0.0
--
--
-2.0 0.0
Minimum Gain
GVMIN
VOL= MUTE
--
Channel Separation
Output Noise 1
Output Noise 2
CS
VNO1
VNO2
Vin = 2Vrms
VOL = 0dB
BW=400Hz to 30kHz
VOL = MUTE
BW = 400Hz to 30kHz
--
- -90
- (31.6)
- -106
- (5.0)
AUX Output Voltage
VAUX
Logic Output : High
Logic Output : Low
4.5 -
0-
MAX.
13.0
25
5.0
-
-
1.5
2.0
-70
2.0
-70
0.5
2.0
-70
-70
-85
(56.2)
-96
(15.8)
5.0
0.3
UNIT
V
mA
V
Vrms
Vrms
dB
dB
dB
dB
dB
%
dB
dB
dB
dBV
(µVrms)
dBV
(µVrms)
V
BW : Band Width
-3-










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