NJW1141M [NJRC]
AUDIO PROCESSOR; 音频处理器
| 型号： | NJW1141M |
| 厂家： | 
NEW JAPAN RADIO |
| 描述： | AUDIO PROCESSOR |
| 文件： | 总20页 (文件大小：285K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NJW1141
AUDIO PROCESSOR
ꢀ GENERAL DESCRIPTION
ꢀ PACKAGE OUTLINE
The NJW1141 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.
All of the internal status and variables are controlled by
I2C BUS interface.
ꢀ FEATURES
NJW1141L
NJW1141M
ꢀ Operating Voltage
8 to 10V
ꢀ I2C BUS Interface
ꢀ Internal 4 Input Audio Selectors and Monitor Output
ꢀ Low Noise VCA
ꢀ Variable AGC Compression Level via I2C (4-levels)
ꢀ Bi-CMOS Technology
ꢀ Package Outline
SDIP30, SDMP30
ꢀBLOCK DIAGRAM
TONE TONE
-Ha -La
OUTa
MONa
AGC
SDA
SCL
CVA
CVB
IN1a
IN2a
IN3a
SEL
SEL
VOL1
TONE
VOL2
IN4a
I2C BUS
Interface
CTH
CTL
AGC
IN1b
IN2b
VOL1
TONE
VOL2
IN3b
IN4b
GND
Vcc
Bias
Vref
MONb
TONE TONE
OUTb
-Hb
-Lb
- 1 -
NJW1141
ꢀ PIN CONFIGURATION
30
29
28
1
2
3
4
5
6
7
8
9
IN1a
IN2a
IN3a
IN4a
MONa
NC
IN1b
IN2b
IN3b
IN4b 27
26
25
24
23
22
21
20
19
18
MONb
NC
TONE-Ha
TONE-La
LINEa
TONE-Hb
TONE-Lb
LINEb
10 OUTa
OUTb
CVa
11
AGC
CTH
CTL
Vref
V+
CVb
12
SDA
SCL
GND
13
14
15
17
16
No.
Symbol
Function
Symbol
Function
Power Supply Terminal
1
IN1a
IN2a
Ach Input1
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
V+
2
Ach Input2
Vref
CTL
CTH
AGC
Reference Voltage
Pop Noise reduction for Bass Control
Pop Noise reduction for Treble Control
AGC Filter
3
IN3a
Ach Input3
4
IN4a
Ach Input4
5
MONa
NC
Ach Monitor Output
No Connect
6
OUTb
LINEb
TONE-Lb
TONE-Hb
NC
Bch Output
7
TONE-Ha
TONE-La
LINEa
OUTa
CVB
Ach Treble Filter
Ach Bass Filter
Bch LINE Output (+4.5dB)
Bch Bass Filter
8
9
Ach LINE Output (+4.5dB)
Ach Output
Bch Treble Filter
No Connect
10
11
12
13
14
15
DAC Output for Bch Volume & Balance
DAC Output for Ach Volume & Balance
SDA Data Input (I2C BUS)
MONb
IN4b
Bch Monitor Output
Bch Input4
CVA
SDA
IN3b
Bch Input3
SCL
SCL Clock Input (I2C BUS)
IN2b
Bch Input2
GND
GND Terminal
IN1b
Bch Input1
- 2 -
NJW1141
ꢀ ABSOLUTE MAXIMUM RATING (Ta=25°C)
PARAMETER
SYMBOL
V+
RATING
12
UNIT
V
Supply Voltage
Power Dissipation
PD
700
mW
°C
Operating Temperature Range
Storage Temperature Range
Topr
Tstg
-20 to +75
-40 to +125
°C
ꢀ ELECTRICAL CHARACTERISTICS ( Ta=25°C, V+=9V, Rg=600Ω, RL=47kΩ, Vin=100mVrms/1kHz)
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
Operating Voltage
V+
8.0
-
9.0
8.0
4.5
3.0
10.0
25.0
5.0
-
V
mA
V
Supply Current
ICC
No Signal
Reference Voltage
Maximum Input Voltage
VREF
VIM
No Signal
4.0
2.8
VOL=-20dB, THD=3%
Vrms
OUTPUT
VOL=0dB, THD=1%
LINEOUT
Maximum Output Voltage1
Maximum Output Voltage2
VOM1
VOM2
-
-
2.5
2.5
-
-
Vrms
Vrms
VOL=0dB, THD=1%
MON OUT Gain
LINEOUT Gain
Maximum Gain
GVMON
GVLINE
GVMAX
MON OUT
-
-2.0
4.5
0.0
-
dB
dB
dB
LINEOUT, VOL=0dB
VOL=0dB
2.5
-2.0
6.5
2.0
VOL=Mute, Vin=1Vrms
BW=400Hz to 30kHz
Minimum Gain
GVMIN
-
-
-70
dB
Channel Balance
Balance Boost A
GCB
VOL=0dB
-1.5
-2.0
0.0
0.0
1.5
2.0
dB
dB
BABST
CHS=”0”,BAL=”11111”
CHS=”1”,BAL=”11111”
Vin = 1Vrms
BW=400Hz to 30kHz
Balance Cut A
Balance Boost B
Balance Cut B
BACUT
BBBST
BBCUT
-
-2.0
-
-
0.0
-
-70
2.0
-70
dB
dB
dB
CHS=”1”,BAL=”11111”
CHS=”0”,BAL=”11111”
Vin = 1Vrms
BW=400Hz to 30kHz
Vo=0.5Vrms
BW=400Hz to 30kHz
Vin=1Vrms
BW=400Hz to 30kHz
Vin=1Vrms
BW=400Hz to 30kHz
VOL=0dB
Total Harmonic Distortion
Input Selector Cross Talk
Channel Separation
Output Noise 1
THD
CT
-
-
-
-
-
-
0.5
-70
-70
%
dB
dB
CS
-
-
-
-
-
-
-
-
-90
(31.6)
-106
(5.0)
-85
(56.2)
-101
(8.9)
-85
(56.2)
-96
(15.8)
-80
(100)
-91
(28.2)
dBV
(µVrms)
dBV
(µVrms)
dBV
(µVrms)
dBV
(µVrms)
VNO1
VNO2
VNO3
VNO4
BW=400Hz to 30kHz
VOL=Mute
Output Noise 2
BW=400Hz to 30kHz
LINEOUT, VOL=0dB
BW=400Hz to 30kHz
LINEOUT, VOL=Mute
BW=400Hz to 30kHz
Output Noise 3
Output Noise 4
- 3 -
NJW1141
ꢀ ELECTRICAL CHARACTERISTICS ( Ta=25°C, V+=9V, Rg=600Ω, RL=47kΩ, Vin=100mVrms/1kHz)
ꢀ TONE CONTROL (Tone Control-ON)
PARAMETER
High Frequency Boost
High Frequency Flat
High Frequency Cut
Low Frequency Boost
Low Frequency Flat
Low Frequency Cut
SYMBOL
HFBST
HFFLT
TEST CONDITION
TREBLE=+15dB, f=10kHz
TRBE=0dB, f=10kHz
MIN.
12.5
-2.0
TYP.
15.0
0.0
MAX.
17.5
2.0
UNIT
dB
dB
HFCUT
LFBST
TREBLE=-15dB, f=10kHz
BASS=+15dB, f=100Hz
BASS=0dB, f=100Hz
-17.5
12.5
-2.0
-15.0
15.0
0.0
-12.5
17.5
2.0
dB
dB
LFFLT
dB
LFCUT
BASS=-15dB, f=100Hz
-17.5
-15.0
-12.5
dB
ꢀ SUB-TONE CONTROL (Sub-Tone Control-ON)
PARAMETER
SYMBOL
TEST CONDITION
MIN.
2.0
TYP.
3.0
MAX.
4.0
UNIT
dB
SUB-TREBLE=+3dB,
f=10kHz
High Frequency Boost
SHFBST
SUB-TREBLE=0dB,
f=10kHz
High Frequency Flat
High Frequency Cut
Low Frequency Boost
Low Frequency Flat
Low Frequency Cut
SHFFLT
SHFCUT
SLFBST
SLFFLT
SLFCUT
-2.0
-4.0
2.0
0.0
-3.0
3.0
2.0
-2.0
4.0
dB
dB
dB
dB
dB
SUB-TREBLE=-3dB,
f=10kHz
SUB-BASS=+3dB,
f=100Hz
SUB-BASS=0dB,
f=100Hz
-2.0
-4.0
0.0
2.0
SUB-BASS=-3dB,
f=100Hz
-3.0
-2.0
ꢀ AGC (AGC-ON)
PARAMETER
SYMBOL
AGCBST
AGCFLT1
AGCFLT2
AGCFLT3
AGCFLT4
AGCCUT
TEST CONDITION
Vin=50mVrms
MIN.
1.5
TYP.
3.5
0.0
0.0
0.0
0.0
-10
MAX.
5.5
UNIT
dB
AGC BOOST
AGC FLAT 1
AGC FLAT 2
AGC FLAT 3
AGC FLAT 4
AGC CUT
Vin=300mVrms
Vin=400mVrms
Vin=500mVrms
Vin=600mVrms
Vin=2Vrms
-2.5
-2.5
-2.5
-2.5
-14
2.5
dB
2.5
dB
2.5
dB
2.5
dB
-6.0
dB
- 4 -
NJW1141
ꢀ I2C BUS BLOCK CHARACTERISTICS (SDA,SCL)
PARAMETER
SYMBOL
VIH
MIN.
3.0
0
TYP.
MAX.
UNIT
V
High Level Input Voltage
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
5.0
1.5
10
10
0.4
-
Low Level Input Voltage
VIL
V
High Level Input Current
IIH
-
µA
µA
V
Low Level Input Current
IIL
-
Low Level Output Voltage (3mA at SDA pin)
Maximum Output Current
VOL
0
IOL
-3.0
-
mA
kHz
µs
µs
µs
µs
µs
µs
ns
µs
ns
µs
Maximum Clock Frequency
Data Change Minimum Waiting Time
Data Transfer Start Minimum Waiting Time
Low Level Clock Pulse Width
High Level Clock Pulse Width
Minimum Start Preparation Waiting Time
Minimum Data Hold Time
fSCL
100
-
tBUF
4.7
4.0
4.7
4.0
4.7
0
tHD:STA
tLOW
tHIGH
tSU:STA
tHD:DAT
tSU:DAT
tR
-
-
-
-
3.45
-
Minimum Data Preparation Time
Rise Time
250
-
1.0
300
-
Fall Time
tF
-
Minimum Stop Preparation Waiting Time
tSU:STO
4.0
I2C BUS Load Condition:Pull up resistance 4kΩ (Connected to +5V)
Load capacitance 200pF (Connected to GND)
SDA
SCL
tBUF
tR
tF
tHD:STA
tSU:STA
tSU:STO
tHD:STA tLOW
tHD:DAT
tHIGH
tSU:DAT
Sr
P
S
P
- 5 -
NJW1141
TERMINAL DESCRIPTION
No.
SYMBOL
FUNCTION
EQUIVALENT CIRCUIT
VOLTAGE
1
2
3
IN1a
IN2a
IN3a
IN4a
IN4b
IN3b
IN2b
IN1b
Ach Input 1
Ach Input 2
Ach Input 3
Ach Input 4
Bch Input 4
Bch Input 3
Bch Input 2
Bch Input 1
20k
80k
4
V+/2
27
28
29
30
5
9
10
21
22
26
MONa
LINEa
OUTa
OUTb
LINEb
MONb
Ach Monitor Output (-2dB)
Ach LINE Output (4.5dB)
Ach Output (0dB)
Bch Output (0dB)
Bch LINE Output (4.5dB)
Bch Monitor Output (-2dB)
FB
V+/2
V+/2
V+/2
0.6V
50
7
24
TONE-Ha
TONE-Hb
Ach Treble Filter
Bch Treble Filter
FB
20k
12k
8
23
TONE-La
TONE-Lb
Ach Bass Filter
Bch Bass Filter
FB
12k
12k
400
20
AGC
AGC Filter
400
- 6 -
NJW1141
TERMINAL DESCRIPTION
No.
SYMBOL
FUNCTION
EQUIVALENT CIRCUIT
VOLTAGE
Pop Noise Reduction for Ach
Volume & Balance
Pop Noise Reduction for Bch
Volume & Balance
8k
11
12
CVa
CVb
V+/2 - 0.7V
VREG 5V
SDA Data Input (I2C BUS)
SCL Clock Input (I2C BUS)
4k
13
14
SDA
SCL
-
8k
SCL:GND
SDA:ACK
15
16
GND
V+
GND Terminal
0V
V+
Power Supply Terminal
200k
V+/2
17
Vref
Reference Voltage
Pop Noise reduction
for Bass Control
Pop Noise reduction
18
19
CTL
CTH
V+/2 - 0.7V
36k
for Treble Control
- 7 -
NJW1141
ꢀ APPLICATION CIRCUIT
0.1
0.1
0.1
µ
F
0.1µF
+
30
29
28
1
2
3
4
5
6
7
8
9
IN1a
IN2a
IN3a
IN4a
MONa
NC
IN1b
IN2b
IN3b
+
µF
0.1
0.1
0.1
µF
+
+
+
+
µF
µF
0.1
4.7
µF
µF
+
+
IN4b 27
+
+
µF
4.7µF
26
25
24
23
22
21
20
19
MONb
NC
2.2nF
2.2nF
TONE-Ha
TONE-La
LINEa
TONE-Hb
TONE-Lb
LINEb
100nF
100nF
4.7
4.7
µF
4.7
4.7
µF
+
+
+
+
µF
µF
10 OUTa
OUTb
1
1
µF
+
+
0.33µF
CVa
11
AGC
CTH
1
1
µF
µ
F
CVb
SDA
SCL
GND
12
13
14
15
+
µF
CTL 18
+
+
1µF
Vref
17
V+
16
22µF
+
(NOTE)
1. Separate the I2C bus line from the following terminals for avoiding digital noise problem.
Pin No.
Symbol
TONE-Ha
TONE-La
Pin No.
23
24
Symbol
TONE-Lb
TONE-Hb
7
8
- 8 -
NJW1141
ꢀ DEFINITION OF I2C REGISTER
♦ I2C BUS FORMAT
MSB
LSB
MSB
LSB
MSB
LSB
S
Slave Address
A
Select Address
A
Data
A
P
1bit
8bit
1bit
8bit
1bit
8bit
1bit 1bit
S: Starting Term
A: Acknowledge Bit
P: Ending Term
♦ SLAVE ADDRESS
MSB
LSB
1
0
0
0
0
0
1
R/W
R/W=0: Write mode for register setting
R/W=1: Not available
♦ CONTROL REGISTER TABLE
The select address sets each function (Volume, Balance, AGC, Surround, Tone Control, AUX).
The auto increment function cycles the select address as follows.
00Hꢀ01Hꢀ02Hꢀ03Hꢀ04Hꢀ05Hꢀ00H
BIT
Select
Address
D7
D6
D5
D4
D3
D2
D1
D0
VOL
00H
01H
02H
03H
04H
05H
CHS
BCB
BCT
BAL
Don’t Care
BASS
TREB
BCSB
BCST
SUB-BASS
SUB-TREB
Don’t Care
AGC1
OUT
AGC0
AGC
SEL
Don’t Care
♦ CONTROL REGISTER DEFAULT VALUE
Control register default value is all “0”.
BIT
Select
Address
D7
0
D6
0
D5
0
D4
0
D3
0
D2
0
D1
0
D0
0
00H
01H
02H
03H
04H
05H
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
- 9 -
NJW1141
ꢀ I2C CONTROL COMMAND DESCRIPTION
ꢀMASTER VOLUME CONTROL
BIT
Select
Address
D4
D3
D2
D1
D0
D7
D6
D5
00H
VOL
The volume control for both Ach and Bch (0.33dB/step).
The volume is consisted of volume1 and volume2 and the level is divided into half to each volume1 and
volume2.
ꢀBALANCE, AGC AND SURROUND SETTING
BIT
Select
Address
D4
D3
D2
D1
D0
D7
D6
D5
01H
CHS
BAL
Don't Care
•CHS: Channel select for balance control
“0”: Ach “Bch is attenuated”
“1”: Bch “Ach is attenuated”
•BAL: Balance control for both Ach and Bch (1dB/Step)
The balance is consisted of volume1 and volume2 and the level is divided into half to each volume1 and
volume2.
ꢀTONE CONTROL BASS SETTING
BIT
Select
Address
D4
D3
D2
D1
D0
D7
D6
D5
02H
BCB
BASS
BCSB
SUB-BASS
•BCB: Boost cut select for Bass control
“0”: Cut
“1”: Boost
•BASS: BASS control
Cut Level: -15dB to 0dB (1dB/Step)
Boost Level: 0dB to +15dB (1dB/Step)
•BCSB: Boost cut select for SUB-BASS control
“0”: Cut
“1”: Boost
•SUB-BASS: SUB- BASS control (1dB/Step)
Sub-Cut Level: -3dB to 0dB (1dB/Step)
Sub-Boost Level: 0dB to +3dB (1dB/Step)
- 10 -
NJW1141
ꢀTONE CONTROL TREBLE SETTING
BIT
Select
Address
D4
D3
D2
D1
D0
D7
D6
D5
03H
BCT
TREB
BCST
SUB-TREB
•BCT: Boost cut select for Treble control
“0”: Cut
“1”: Boost
•TREB: Treble control (1dB/step)
Cut Level: -15dB to 0dB (1dB/Step)
Boost Level: 0dB to +15dB (1dB/Step)
•BCST: Boost cut select for Sub-Treble control
“0”: Cut
“1”: Boost
•SUB-TREB: Sub-Treble control (1dB/step)
Sub-Cut Level: -3dB to 0dB (1dB/Step)
Sub-Boost Level: 0dB to +3dB (1dB/Step)
ꢀOUTPUT AND AUXILIARY SETTING
BIT
Select
Address
D4
D3
D2
D1
D0
D7
D6
D5
05H
OUT
SEL
AGC1
AGC0
AGC
Don’t Care
•OUT: ON/OFF Switch for OUTPUT
“0”: OFF (MUTE)
“1”: ON
•SEL: Input Selector
SEL
D5
1
1
0
Input Select
D6
0
0
1
1
D4
IN1a and IN1b
IN2a and IN2b
IN3a and IN3b
IN4a and IN4b
0
1
0
1
0
• AGC1: AGC Level Setting
AGC1
(D3)
0
0
1
1
ꢀ
AGC0
(D2)
0
1
0
1
ꢀ
AGC
(D1)
AGC Level
300mVrms
400mVrms
500mVrms
600mVrms
AGC Off
1
1
1
1
0
ꢀ Don’t Care
- 11 -
NJW1141
MASTER VOLUME (Select Address: 00H)
VOL
Gain (dB)
HEX
D7
D6
D5
D4
D3
D2
D1
D0
0
FF
FC
F9
F6
F3
F0
ED
EA
E7
E4
E1
DE
DB
D8
D5
D2
CF
CC
C9
C6
C3
C0
BD
BA
B7
B4
B1
AE
AB
A8
A5
A2
9F
9C
99
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
1
1
1
0
0
0
1
1
0
0
0
1
1
1
0
0
1
1
1
0
0
0
1
1
0
0
0
1
1
1
0
0
1
1
1
0
0
0
1
1
0
0
0
1
1
0
1
0
0
1
0
1
1
0
1
0
0
1
0
1
1
0
1
0
0
1
0
1
1
0
1
0
0
1
0
1
1
0
1
0
0
1
0
1
1
0
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-11
-12
-13
-14
-15
-16
-17
-18
-19
-20
-21
-22
-23
-24
-25
-26
-27
-28
-29
-30
-31
-32
-33
-34
-35
-36
-37
-38
-39
-40
-41
-42
96
93
90
8D
8A
87
84
81
- 12 -
NJW1141
MASTER VOLUME (Cont'd)
VOL
Gain (dB)
HEX
D7
D6
D5
D4
D3
D2
D1
D0
-43
-44
-45
-46
-47
-48
-49
-50
-51
-52
-53
-54
-55
-56
-57
-58
-59
-60
-61
-62
-63
-64
-65
-66
-67
-68
-69
-70
-71
-72
-73
-74
-75
-76
-77
-78
-79
-80
-81
-82
-83
-84
Mute
7E
7B
78
75
72
6F
6C
69
66
63
60
5D
5A
57
54
51
4E
4B
48
45
42
3F
3C
39
36
33
30
2D
2A
27
24
21
1E
1B
18
15
12
0F
0C
09
06
03
00
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
0
1
1
1
0
0
1
1
1
0
0
0
1
1
0
0
0
1
1
1
0
0
1
1
1
0
0
0
1
1
0
0
0
1
1
1
0
0
1
1
1
0
0
0
1
0
0
1
0
1
1
0
1
0
0
1
0
1
1
0
1
0
0
1
0
1
1
0
1
0
0
1
0
1
1
0
1
0
0
1
0
1
1
0
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
- 13 -
NJW1141
BALANCE (Select Address: 01H)
Channel Select (CHS)
D7
0
Ach (Bch is attenuated)
Bch (Ach is attenuated)
1
BAL
D4
Gain (dB)
D6
D5
D3
D2
0
-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-11
-12
-13
-14
-15
-16
-17
-18
-19
-20
-21
-22
-23
-24
-25
-26
-27
-28
-29
-30
Mute
- 14 -
NJW1141
TONE CONTROL BASS (Select Address: 02H)
Bass
Cut or Boost
BCB
D7
Cut
0
1
Boost
BASS
Cut Gain
Boost Gain
(dB)
D6
D5
D4
D3
(dB)
-15
-14
-13
-12
-11
-10
-9
15
14
13
12
11
10
9
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
-8
8
-7
7
-6
6
-5
5
-4
4
-3
3
-2
2
-1
1
0
0
TONE CONTROL SUB-BASS (Select Address: 02H)
Sub-Bass
Cut or Boost
BCSB
D2
Cut
0
1
Boost
SUB-BASS
Cut Gain
(dB)
Boost Gain
(dB)
D1
D0
-3
3
2
1
0
1
1
0
0
1
0
1
0
-2
-1
0
- 15 -
NJW1141
TONE CONTROL TREBLE (Select Address: 03H)
Treble
Cut or Boost
BCT
D7
Cut
0
1
Boost
TREB
Cut Gain
Boost Gain
(dB)
D6
D5
D4
D3
(dB)
-15
-14
-13
-12
-11
-10
-9
15
14
13
12
11
10
9
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
-8
8
-7
7
-6
6
-5
5
-4
4
-3
3
-2
2
-1
1
0
0
TONE CONTROL SUB-TREBLE (Select Address: 03H)
Sub-Treble
Cut or Boost
BCST
D2
Cut
0
1
Boost
SUB-TREB
Cut Gain
(dB)
Boost Gain
(dB)
D1
D1
-3
3
2
1
0
1
1
0
0
1
0
1
0
-2
-1
0
- 16 -
NJW1141
TYPICAL CHARACTERISTICS
Supply Current vs Supply Voltage
Ta=25oC
Supply Current vs Temparature
V+=9V
10
8
10
9
8
6
7
4
6
2
5
0
4
0
2
4
6
8
10
12
0
50
100
Temparature [oC]
Supply Voltage [V]
Gain vs Balance Control
V+=9V, Vin=1Vrms, f=1kHz, Rg=600
Gain vs Volume Control
V+=9V, Vin(Ach)=1Vrms,f=1kHz,
Ω
OUTPUT,Rg=600Ω
0
-20
0
-20
-40
-40
Vo(Bch)
75, 25, -20oC
Vo(Ach)
-60
-60
75, 25, -20oC
75,25,-20oC
-80
-80
-100
MUTE -30
-100
-20
-10
0
-10
-20
-30 MUTE
MUTE
0
-10 -20 -30 -40 -50 -60 -70 -80
Volume Control [dB]
Balance Control [dB]
Output Noise vs Volume Control
V+=9V, OUTPUT,BW=400-30kHz
Rg=600Ω, Ta=25oC
Output Noise vs Temperature
V+=9V, Rg=600Ω, BW=400Hz-30kHz
-60
-70
-40
-60
-80
Vol=0dB
-90
-80
-100
-110
-120
-100
-120
Vol=MUTE
MUTE
0
-10 -20 -30 -40 -50 -60 -70 -80
Volume Control [dB]
0
50
100
Temparature [oC]
- 17 -
NJW1141
TYPICAL CHARACTERISTICS
THD+N vs Input Voltage
THD+N vs Input Voltage
V+=9V, Vin(Ach), f=1kHz, Vo(Ach)OUTPUT
Rg=600Ω, BW=400Hz-30kHz, Ta=25oC
V+=9V, Vin(Ach), f=1kHz, Vo(Ach)OUTPUT
Rg=600Ω, BW=400Hz-30kHz, Vol=-20dB
100
100
10
10
1
-30dB
25oC
-20oC
1
0.1
0.1
-20dB
-10dB
75oC
1
0dB
0.01
0.01
0.01
0.1
1
0.01
0.1
Input Voltage [Vrms]
Input Voltage [Vrms]
THD+N vs Output Voltage
THD+N vs Output Voltage
V+=9V, Vin(Ach), f=1kHz, Vo(Ach)OUTPUT
BW=400Hz-30kHz, Rg=600Ω, Ta=25oC
V+=9V, Vin(Ach), f=1kHz, Vo(Ach)OUTPUT
Rg=600Ω, BW=400Hz-30kHz, Vol=0dB
100
100
10
10
1
-30dB
-20oC
25oC
1
0.1
0.1
75oC
-10dB
0dB
-20dB
0.1
0.01
0.01
0.01
1
0.01
0.1
1
Output Voltage [Vrms]
Output Voltage [Vrms]
Channel Separation vs Frequency
MUTE Level vs Frequency
V+=9V, Vin=1Vrms, f=1kHz, Vo=OUTPUT
V+=9V, Vin(Ach)=1Vrms, Vol=MUTE
Vo(Ach)OUTPUT, Rg=600
, Ta=25oC
o
Rg=600
Ω
, Vol=0dB, Ta=25 C
Ω
100
80
60
40
20
0
120
100
80
60
40
20
0
Vin(Ach)-Vo(Bch)
Vin(Bch)-Vo(Ach)
104
100
1000
Frequency [Hz]
104
100
1000
Freqency [Hz]
- 18 -
NJW1141
TYPICAL CHARACTERISTICS
Gain vs Frequency (TONE)
AGC Control
V+=9V, Vin(Ach+Bch), f=1kHz, Vo(Ach)OUTPUT
Rg=600
, Ta=25oC
V+=9V, Vin(Ach)=0.1Vrms,Gv:3dB steps
Vo(Ach), Rg=600Ω, Ta=25oC
Ω
20
10
0
600mV
1
0.1
500mV
400mV
300mV
0.01
0.001
OFF
-10
-20
100
1000
104
0.001
0.01
0.1
1
Input Voltage [Vrms]
Frequency [Hz]
AGC Attack Time (C:20pin=0.33µ F)
AGC Recovery Time (C:20pin=0.33µ F)
V+=9V, Vin(Ach+Bch)=1Vrms,f=20kHz,Vo(Ach)OUTPUT
V+=9V, Vin(Ach+Bch)=1Vrms, f=10kHz,Vo(Ach)OUTPUT
AGC level=0.3V,Rg=600Ω ,Ta=25oC
AGC level=0.3V,Rg=600
Ω
,Ta=25oC
2
0.2
0.1
0
1
0
-1
-2
-0.1
-0.2
0
2
4
6
8
10
0
100
200
300
400
500
Time [ms]
Time [ms]
- 19 -
NJW1141
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.
- 20 -
相关型号：
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