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NJW1182 の電気的特性と機能

NJW1182のメーカーはJRCです、この部品の機能は「Audio Processor」です。


製品の詳細 ( Datasheet PDF )

部品番号 NJW1182
部品説明 Audio Processor
メーカ JRC
ロゴ JRC ロゴ 




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Total 30 pages

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NJW1182 Datasheet, NJW1182 PDF,ピン配置, 機能
www.DataSheet4U.com
PRELIMINARY
NJW1182
AUDIO PROCESSOR with BBE & Dynamic Bass Boost
s GENERAL DESCRIPTION
The NJW1182 is a TV audio processor with BBE Sound
Enhancement and Dynamic Bass Boost.
The NJW1182 contains all necessary functions to process
TV audio signal such as volume control, tone control,
balance, mute and AGC function.
All of internal status and variables are controlled by I2C
BUS.
s PACKAGE OUTLINE
NJW1182FP1
s FEATURES
q Operating Voltage
q I2C BUS Interface
7.5 to 13V
q eala(NJRC Surround)/Simulated Stereo
q Dynamic Bass Boost Function
q Voice Enhancement Function
q AGC Circuit
(Selectable 4-stage compression level by I2C BUS)
q Bi-CMOS Technology
q Package Outline
QFP48-P1
s BLOCK DIAGRAM
TONE TONE
SURFIL1 -Lb -Hb
LP1 LP2 LP3
HBSTb
BB2 BB4 BB
BB1 BB3 -FIXOUT OUT1b OUT2b
ADDIN1
SDA SCL AUX
VOL1
INb /
AGC
TONE
AGC
Control
SUR
VE
/
LPF
VOL1
INa /
AGC
TONE
High
Boost
VOL2
Bass Boost
High
Boost
VOL2
VOL3
I2CBus
Interface
VOL4
Bias
CVa
CVb
CTL
CTH
CVE
CSR
CBB
CA1
CA2
CO1
CO2
AGCINT
SURFIL2 TONE TONE
-La -Ha
VE1 VE2 VE3
HBSTa
BB BB
BB
-AGCINT -SENSE -AGCOUT
OUT1a OUT2a ADDIN2
GND V+ VREF
-1-

1 Page





NJW1182 pdf, ピン配列
www.DataSheet4U.com
PRELIMINARY
NJW1182
s ABSOLUTE MAXIMUM RATING (Ta=25°C)
PARAMETER
Supply Voltage
SYMBOL
V+
RATING
15
Power Dissipation
PD
1500(note)
Operating Temperature Range
Topr
-20 to +75
Storage Temperature Range
Tstg
-40 to +125
(Note) At on a board of EIA/JEDEC specification. (76.2 × 114.3 × 1.6mm Two layers, FR-4)
UNIT
V
mW
°C
°C
s ELECTRICAL CHARACTERISTICS (Ta=25°C, V+=9V, Rg=600, RL=47k, Vin=100mVrms/1kHz,
MODE; VOL/BAL/TONE=0dB, AGC/VE/Surround/Bass Boost=OFF, ADDIN1/ADDIN2=MUTE unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITION
MIN. TYP. MAX. UNIT
Operating Voltage
V+
-
7.5 9.0 13.0
V
Supply Current
Reference Voltage
ICC
VREF
No Signal
No Signal
- 15 25
4.0 4.5 5.0
mA
V
Maximum Input Voltage
Maximum Output Voltage
Channel Balance
VIM VOL=-20dB,THD=10%
OUTPUT
VOM VOL=0dB,THD=1%
GCB VOL=0dB
2.8 3.0 - Vrms
- 2.5 - Vrms
-1.0 0.0
1.0
dB
Balance Boost A
Balance Cut A
Balance Boost B
Balance Cut B
Total Harmonic Distortion
Maximum Gain
Minimum Gain
Channel Separation
Output Noise 1
Output Noise 2
AUX Output Voltage
BABST
BACUT
BBBST
BBCUT
THD
GVMAX
GVMIN
CS
VNO1
VNO2
VAUX
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
VOL=0dB
VOL=MUTE, Vin=2Vrms
Vin=1Vrms, A-weighted
VOL = 0dB
A-weighted
VOL=MUTE
A-weighted
Logic Output: High,
RL=10kPull Down
Logic Output: Low,
RL=10kpull Up
-2.0 0.0
2.0
- - -70
-2.0 0.0
2.0
- - -70
dB
dB
dB
dB
-
- 0.3
%
-2.0 0.0
2.0
dB
- -100 -90
dB
- - -70 dB
-
-90 -85
dBV
- (31.6) (56.2) (µVrms)
- -100 -95 dBV
- (10) (17.8) (µVrms)
4.5 - 5.5
0 0.5
V
BW: Band Width
-3-


3Pages


NJW1182 電子部品, 半導体
NJW1182
PRELIMINARY
www.DataSheet4U.com
s I2C BUS BLOCK CHARACTERISTICS (SDA, SCL)
I2C BUS Load Conditions: Pull up resistance 4k (Connected to +5V), Load capacitance 200pF (Connected to GND)
PARAMETER
SYM
BOL
STANDARD MODE
FAST MODE
MIN. TYP. MAX. MIN. TYP. MAX.
UNIT
Low Level Input Voltage
High Level Input Voltage
Hysteresis of Schmitt trigger inputs
LOW level output voltage (3mA at SDA pin)
Output fall time from VIHmin to VILmax with
a bus capacitance from 10pF to 400pF
Pulse width of spikes which must be suppressed by the input
filter
Input current each I/O pin with an input voltage between
0.1VDD and 0.9VDDmax
Capacitance for each I/O pin
SCL clock frequency
Hold time (repeated) START condition.
LOW period of the SCL clock
HIGH period of the SCL clock
Set-up time for a repeated START condition
Data hold time
Data set-up time
Rise time of both SDA and SCL signals
Fall time of both SDA and SCL signals
Set-up time for STOP condition
Bus free time between a STOP and START
condition
Capacitive load for each bus line
Noise margin at the LOW level
Noise margin at the HIGH level
VIL
VIH
Vhys
VOL
tof
tSP
Ii
Ci
fSCL
tHD:STA
tLOW
tHIGH
tSU:STA
tHD:DAT
tSU:DAT
tr
tf
tSU:STO
tBUF
Cb
VnL
VnH
0.0
2.7
-
0
-
-
-10
-
-
4.0
4.7
4.0
4.7
0
250
-
-
4.0
4.7
-
0.5
1
- 1.5 0.0 - 1.5 V
- 5.0 2.7 - 5.0 V
- - 0.25 - - V
- 0.4 0
- 0.4 V
- 250 20
- 250 ns
+0.1Cb
- - 0 - 50 ns
- 10 -10 - 10 µA
- 10 -
- 10 pF
- 100 -
- 400 kHz
- - 0.6 - - µs
- - 1.3 - - µs
- - 0.6 - - µs
- - 0.6 - - µs
- 3.45 0
- 0.9 µs
- - 100 - - ns
- 1000 -
- 300 ns
- 300 -
- 300 ns
- - 0.6 - - µs
- - 1.3 - - µs
- 400 -
- 400 pF
- - 0.5 - - V
- -1- -V
Cb ; total capacitance of one bus line in pF.
SDA
tf tr
SCL
tHD:STA
S
tLOW
tSU:DAT
tf
tHD:STA
tHD:DAT
tHIGH
tSU:STA
Sr
tSP tr
tBUF
tSU:STO
P
S
-6-

6 Page



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共有リンク

Link :


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