NJW1140中文资料
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Topr
Storage Temperature Range
Tstg
RATING 15 700
-20 to +75 -40 to +125
UNIT V
mW °C °C
s ELECTRICAL CHARACTERISTICS ( Ta=25°C, V+=9V, Rg=600Ω, RL=47kΩ, Vin=100mVrms/1kHz)
q TONE CONTROL (Tone Control-ON)
PARAMETER
SYMBOL
TEST CONDITION
MIN. TYP. MAX.
High Frequency Boost High Frequency Flat High Frequency Cut Low Frequency Boost Low Frequency Flat Low Frequency Cut
BALAA BALAB BALBB BALBA THD
CT CS VNO1 VNO2 VNO3 VNO4
Full panning to Ach, OUTa
Full panning to Ach, OUTb Vin=1Vrms BW=400Hz to 30kHz
Full panning to Bch, OUTb
q Low Noise VCA
q Bi-CMOS Technology
q Package Outline
SOP40
s BLOCK DIAGRAM
NJW1140GK1
IN1a IN2a IN3a IN4a IN5a IN6a
IN1b IN2b IN3b IN4b IN5b IN6b
MONa AGC SEL
Bias
GND Vcc
+4.5dB
TONETONE -Hb -Lb
OUTb
Vref
- 1 -E
元器件交易网
NJW1140
s PIN CONFIGURATION
Ach Input Selector 1 1 IN1a
IN1b 40 Bch Input Selector 1
Ach Input Selector 2 2 IN2a
OUTb 27 Bch Main Output (0dB)
AGC 15 AGC
CSR 26 DAC Output for Surround ON/OFF
DAC Output for Ach Volume & Balance 16 CVa
CTH 25 DAC Output for Tone High Frequency
VIM VOM1 VOM2 GVMON
VOL=-20dB, THD=1%
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
Ach Tone Low Frequency 12 TONE-La
TONE-Lb 29 Bch Tone Low Frequency
Ach Line Output (4.5dB) 13 LINEa
LINEb 28 Bch Line Output (4.5dB)
Ach Main Output (0dB) 14 OUTa
dB
dB
dB
%
dB
dB dBV (µVrms) dBV (µVrms) dBV (µVrms) dBV (µVrms)
-3-
元器件交易网
NJW1140
s ELECTRICAL CHARACTERISTICS ( Ta=25°C, V+=9V, Rg=600Ω, RL=47kΩ, Vin=100mVrms/1kHz)
-2.0
0.0
2.0
SLFCUT SUB-BASS=-3dB, f=100Hz
-4.0
-3.0
-2.0
q AGC (AGC-ON) PARAMETER
SYMBOL
TEST CONDITION
AGC BOOST AGC FLAT 1 AGC FLAT 2 AGC FLAT 3 AGC FLAT 4 AGC CUT
AGC SEL
MONb
-2dB
-2dB
VOL1 VOL1
TONE TONE -Ha -La
OUTa
+4.5dB
SRS 3D Stere o
& Sim ulated
Stere o
TONE TONE
VOL2 VOL2
I2C BUS Interface
SDA
SCL CVA CVB CTH CTL CSB
CSR
3.0
4.0
SHFFLT SUB-TREBLE=0dB, f=10kHz
-2.0
0.0
2.0
SHFCUT SUB-TREBLE=-3dB, f=10kHz -4.0
-3.0
-2.0
SLFBST SUB-BASS=+3dB, f=100Hz
2.0
3.0
4.0
SLFFLT SUB-BASS=0dB, f=100Hz
MIN. TYP. MAX.
High Frequency Boost High Frequency Flat High Frequency Cut Low Frequency Boost Low Frequency Flat Low Frequency Cut
SHFBST SUB-TREBLE=+3dB, f=10kHz 2.0
HFBST HFFLT HFCUT LFBST LFFLT LFCUT
TREBLE=+15dB, f=10kHz TRBE=0dB, f=10kHz TREBLE=-15dB, f=10kHz BASS=+15dB, f=100Hz BASS=0dB, f=100Hz BASS=-15dB, f=100Hz
-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 dB
q Variable AGC Compression Level via I2C (4-levels)
q Includes Dual Surround (SRS 3D Stereo and Simulated Stereo) q Variable Surround Effect Level via I2C (SRS mode, 2-Levels)
DAC Output for Bch Volume & Balance 17 CVb I2C Bus SDA 18 SDA
CTL 24 NC 23
DAC Output for Tone Low Frequency No Connect
I2C Bus SCL 19 SCL
Vref 22 Reference Voltage
IN5b 36 Bch Input Selector 5
Ach Input Selector 6 6 IN6a
IN6b 35 Bch Input Selector 6
Ach Monitor Output(-2dB) 7 MONa
MONb 34 Bch Monitor Output(-2dB)
Surround Filter 1 No Connect
Also the NJW1140 performs SRS 3D Stereo which regenerates 3D surround sound with only two speakers.
All of the internal status and variables are controlled by I2C BUS interface.
12.5 -2.0 -17.5 12.5 -2.0 -17.5
15.0 0.0 -15.0 15.0 0.0 -15.0
17.5 2.0 -12.5 17.5 2.0 -12.5
q SUB-TONE CONTROL (Sub-Tone Control-ON)
PARAMETER
SYMBOL
TEST CONDITION
GND 20 GND
V+ 21 Power Supply
- 2-
元器件交易网
NJW1140
s ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER
SYMBOL
Supply Voltage
V+
Power Dissipation
PD
Operating Temperature Range
IN2b 39 Bch Input Selector 2
Ach Input Selector 3 3 IN3a
IN3b 38 Bch Input Selector 3
