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NJW1177 PDF даташит

Спецификация NJW1177 изготовлена ​​​​«JRC» и имеет функцию, называемую «Audio Processor».

Детали детали

Номер произв NJW1177
Описание Audio Processor
Производители JRC
логотип JRC логотип 

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NJW1177 Даташит, Описание, Даташиты
www.DataSheet4U.com
NJW1177
AUDIO PROCCESOR with SRS&BBE&ealaBASS
s GENERAL DESCRIPTION
NJW1177 is a sound processor includes all of the
functions required to process the audio signal for TV,
such as volume, balance, mute, tone control,
AGCfunctions. And also It performs NJRC original
dynamic bass boost technology “ealaBASS” provides
graceful bass sound with low distortion. All of internal
states and variables are controlled by I2C BUS
interface. In addition to SRS and BBE, since
NJW1177 builds in ealaBASS, it reproduces clearly,
natural and rich bass sound
s PACKAGE OUTLINE
NJW1177V
s FEATURES
q Operating Voltage
+7.5 to +13V
q I2C BUS interface
q BBE Sound Enhancement (Low Boost and High Boost: 15dB max.)
qSRS 3D Stereo
qeala
qeala BASS (Dynamic Bass Boost)
qSimulated Stereo
qAGC Circuit
qLow Noise VCA
qBi-CMOS technology
qPackage Outline
SSOP44
s BLOCK DIAGRAM
AGC
VOL1
VOL1
TONE
TONE
SRS
3D Stereo
&
eala
&
Simulated
Surround
BBE
eala
BASS
BBE
VOL2
VOL2
I2C
Bus
Logic
Bias
–1–









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NJW1177 Даташит, Описание, Даташиты
NJW1177
www.DataSheet4U.com
s PIN ASSIGNMENT
44
23
1 22
No Symbol
Function
1 INa Ach Input
2
SURROUND
FIL
Surround Filter Capacitor
3 TONE-Ha Ach TONE Treble Filter Capacitor
4
TONE-La
Ach TONE Bass Filter Capacitor
5
BBEHa
Ach BBE Filter1 (Process)
6
BBELa
Ach BBE Filter2 (Lo Contour)
7
SENDa
Ach output for the other accessories
8 RETURNa Ach input from the other accessories
9
ealaBASS
LPF1
ealaBASS Filter Capacitor 1
10
ealaBASS
SENSE
ealaBASS Sensitivity Adjustment Resistance
11 ealaBASS INT ealaBASS Smoothing Filter Capacitor
12 OUTa Ach Output
13 AMP+INa Ach Internal OP-AMP +Input
14 AMP-INa Ach Internal OP-AMP -Input
15 AMPOUTa Ach Internal OP-AMP Output
16
AGC INT
AGC Smoothing Filter Capacitor
17 CVa Pop Noise Reduction Capacitor for Volume
18 CVb Pop Noise Reduction Capacitor for Balance
19
CSR
Pop Noise Reduction Capacitor for Surround
20
SDA
SDA Data Input (I2C BUS)
21
SCL
SCL Data Input (I2C BUS)
22
GND
GND
No Symbol
Function
23 V+ Power Supply Input
24
AUX1
Auxiliary Output 1
25
AUX0
Auxiliary Output 0
26
VREF
Reference Voltage Stabilizing Capacitor
27 CTL Pop Noise Capacitor for TONE Bass
28
CTH
Pop Noise Capacitor for TONE Treble
29
CBH
Pop Noise Capacitor for BBE
30 AMPOUTb Bch Internal OP-AMP Output
31 AMP-INb Bch Internal OP-AMP -Input
32 AMP+INb Bch Internal OP-AMP +Input
33
OUTb
Bch Output
34
CBB
Pop Noise Capacitor for ealaBASS
35
ealaBASS
LPF2
ealaBASS Filter Capacitor 2
36
ealaBASS
LPF3
ealaBASS Filter Capacitor 3
37 RETURNb Bch Input from the other accessories
38 SENDb Bch Input for the other accessories
39 BBELb Bch BBE Filter2 (Process)
40 BBEHb Bch BBE Filter1 (Lo Contour)
41 TONE-Lb Bch Tone Bass Filter Capacitor
42 TONE-Hb Bch Tone Treble Filter Capacitor
43 SRS FIL SRS Filter Capacitor
44 INb Bch Input
–2–









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NJW1177 Даташит, Описание, Даташиты
www.DataSheet4U.com
NJW1177
sABSOLUTE MAXIMUM RATING (Ta=25°C)
PARAMETER
SYMBOL
RATING
Supply Voltage
V+
15
Power Dissipation
Operating Temperature Range
PD
Topr
800
NOTE: EIA/JEDEC STANDARD Test board (76.2x114.3x1.6mm, 2layer, FR-4) mounting
-20 to +75
Storage Temperature Range
Tstg
-40 to +125
UNIT
V
mW
°C
°C
sELECTRICAL CHARACRTERISTICS
(Ta=25°C, V+=9V, Rg=600, RL=47k, Vin=100mVrms/1kHz unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITION
MIN TYP
Operating Voltage
V+
7.5 9.0
Supply Current
ICC No Signal
- 15
Reference Voltage
VREF
No Signal
4.0 4.5
Maximum Input Voltage
Maximum Output Voltage
Channel Balance
VIM VOL=-20dB,THD=10%
VOM
OUTPUT
VOL=0dB,THD=1%
GCB VOL=0dB
2.8 3.0
- 2.5
-1.0 0.0
Balance Boost A
Balance Cut A
Balance Boost B
Balance Cut B
Total Harmonic Distortion
BABST
BACUT
BBBST
BBCUT
THD
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 ~ 30kHz
-2.0 0.0
--
-2.0 0.0
--
--
Maximum Gain
GVMAX
VOL= 0dB
-2.0 0.0
Minimum Gain
GVMIN
VOL= MUTE , Vin = 2Vrms
- -100
Channel Separation
Output Noise 1
Output Noise 2
CS
VNO1
VNO2
Vin = 1Vrms, A-weighted
VOL = 0dB
A-weighted
VOL = MUTE
A-weighted
- -80
- -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
-
-
1.0
2.0
-70
2.0
-70
UNIT
V
mA
V
Vrms
Vrms
dB
dB
dB
dB
dB
0.3 %
2.0
-90
-70
-85
(56.2)
-96
(15.8)
5.0
0.3
dB
dB
dB
dBV
(µVrms)
dBV
(µVrms)
V
BW: Band Width
–3–










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