NJRC NJW1141

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
2
I C BUS interface.
■ FEATURES
● Operating Voltage
8 to 10V
2
● I C BUS Interface
● Internal 4 Input Audio Selectors and Monitor Output
● Low Noise VCA
2
● Variable AGC Compression Level via I C (4-levels)
● Bi-CMOS Technology
● Package Outline
SDIP30, SDMP30
NJW1141L
NJW1141M
■BLOCK DIAGRAM
MONa
TONE TONE
-La
-Ha
AGC
OUTa
+4.5dB
-2dB
IN1a
IN2a
IN3a
IN4a
SDA
SCL
SEL
VOL1
TONE
VOL2
I2C BUS
Interface
AGC
SEL
VOL1
TONE
VOL2
MONb
+4.5dB
-2dB
IN1b
IN2b
IN3b
IN4b
TONE TONE
-Hb
-Lb
CVA
CVB
CTH
CTL
OUTb
Bias
GND
Vcc
Vref
-1-
NJW1141
■ PIN CONFIGURATION
No.
Symbol
1
IN1a
IN1b 30
2
IN2a
IN2b 29
3
IN3a
IN3b 28
4
IN4a
IN4b 27
5
MONa
6
NC
7
TONE-Ha
TONE-Hb 24
8
TONE-La
TONE-Lb 23
9
LINEa
LINEb 22
10
OUTa
OUTb 21
11
CVa
AGC 20
12
CVb
CTH 19
13
SDA
CTL 18
14
SCL
Vref
17
15
GND
V+
16
MONb 26
NC
Function
25
Symbol
1
IN1a
Ach Input1
16
2
IN2a
Ach Input2
17
Vref
Reference Voltage
3
IN3a
Ach Input3
18
CTL
Pop Noise reduction for Bass Control
4
IN4a
5
MONa
V+
Function
Power Supply Terminal
Ach Input4
19
CTH
Pop Noise reduction for Treble Control
Ach Monitor Output
20
AGC
AGC Filter
Bch Output
6
NC
No Connect
21
OUTb
7
TONE-Ha
Ach Treble Filter
22
LINEb
8
TONE-La
Ach Bass Filter
23
TONE-Lb
9
LINEa
Ach LINE Output (+4.5dB)
24
TONE-Hb
10
OUTa
Ach Output
25
NC
11
CVB
DAC Output for Bch Volume & Balance
26
MONb
12
CVA
DAC Output for Ach Volume & Balance
27
IN4b
Bch Input4
13
SDA
SDA Data Input (I2C BUS)
28
IN3b
Bch Input3
14
SCL
SCL Clock Input (I2C BUS)
29
IN2b
Bch Input2
15
GND
GND Terminal
30
IN1b
Bch Input1
-2-
Bch LINE Output (+4.5dB)
Bch Bass Filter
Bch Treble Filter
No Connect
Bch Monitor Output
NJW1141
■ ABSOLUTE MAXIMUM RATING (Ta=25°C)
PARAMETER
SYMBOL
+
RATING
UNIT
12
V
Supply Voltage
V
Power Dissipation
PD
700
mW
Operating Temperature Range
Topr
-20 to +75
°C
Storage Temperature Range
Tstg
-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
8.0
9.0
10.0
V
Operating Voltage
V
Supply Current
ICC
No Signal
-
8.0
25.0
mA
Reference Voltage
VREF
No Signal
4.0
4.5
5.0
V
Maximum Input Voltage
VIM
VOL=-20dB, THD=3%
2.8
3.0
-
Vrms
-
2.5
-
Vrms
-
2.5
-
Vrms
-
-2.0
-
dB
Maximum Output Voltage1
VOM1
Maximum Output Voltage2
VOM2
OUTPUT
VOL=0dB, THD=1%
LINEOUT
VOL=0dB, THD=1%
MON OUT Gain
GVMON
MON OUT
LINEOUT Gain
GVLINE
LINEOUT, VOL=0dB
2.5
4.5
6.5
dB
Maximum Gain
GVMAX
VOL=0dB
-2.0
0.0
2.0
dB
GVMIN
VOL=Mute, Vin=1Vrms
BW=400Hz to 30kHz
-
-
-70
dB
VOL=0dB
-1.5
0.0
1.5
dB
Minimum Gain
Channel Balance
GCB
Balance Boost A
BABST
CHS=”0”,BAL=”11111”
-2.0
0.0
2.0
dB
Balance Cut A
BACUT
CHS=”1”,BAL=”11111”
Vin = 1Vrms
BW=400Hz to 30kHz
-
-
-70
dB
Balance Boost B
BBBST
CHS=”1”,BAL=”11111”
-2.0
0.0
2.0
dB
-
-
-70
dB
-
-
0.5
%
-
-
-70
dB
-
-
-70
dB
-
-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)
Balance Cut B
BBCUT
Total Harmonic Distortion
THD
Input Selector Cross Talk
CT
Channel Separation
CS
Output Noise 1
VNO1
Output Noise 2
VNO2
Output Noise 3
VNO3
Output Noise 4
VNO4
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
BW=400Hz to 30kHz
VOL=Mute
BW=400Hz to 30kHz
LINEOUT, VOL=0dB
BW=400Hz to 30kHz
LINEOUT, VOL=Mute
BW=400Hz to 30kHz
-3-
NJW1141
+
■ ELECTRICAL CHARACTERISTICS ( Ta=25°C, V =9V, Rg=600Ω, RL=47kΩ, Vin=100mVrms/1kHz)
● TONE CONTROL (Tone Control-ON)
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
High Frequency Boost
HFBST
TREBLE=+15dB, f=10kHz
12.5
15.0
17.5
dB
High Frequency Flat
HFFLT
TRBE=0dB, f=10kHz
-2.0
0.0
2.0
dB
High Frequency Cut
HFCUT
TREBLE=-15dB, f=10kHz
-17.5
-15.0
-12.5
dB
Low Frequency Boost
LFBST
BASS=+15dB, f=100Hz
12.5
15.0
17.5
dB
Low Frequency Flat
LFFLT
BASS=0dB, f=100Hz
-2.0
0.0
2.0
dB
Low Frequency Cut
LFCUT
BASS=-15dB, f=100Hz
-17.5
-15.0
-12.5
dB
MIN.
TYP.
MAX.
UNIT
2.0
3.0
4.0
dB
-2.0
0.0
2.0
dB
-4.0
-3.0
-2.0
dB
2.0
3.0
4.0
dB
-2.0
0.0
2.0
dB
-4.0
-3.0
-2.0
dB
MIN.
TYP.
MAX.
UNIT
● SUB-TONE CONTROL (Sub-Tone Control-ON)
PARAMETER
SYMBOL
High Frequency Boost
SHFBST
High Frequency Flat
SHFFLT
High Frequency Cut
SHFCUT
Low Frequency Boost
SLFBST
Low Frequency Flat
SLFFLT
Low Frequency Cut
SLFCUT
● AGC
TEST CONDITION
SUB-TREBLE=+3dB,
f=10kHz
SUB-TREBLE=0dB,
f=10kHz
SUB-TREBLE=-3dB,
f=10kHz
SUB-BASS=+3dB,
f=100Hz
SUB-BASS=0dB,
f=100Hz
SUB-BASS=-3dB,
f=100Hz
(AGC-ON)
PARAMETER
SYMBOL
TEST CONDITION
AGC BOOST
AGCBST
Vin=50mVrms
1.5
3.5
5.5
dB
AGC FLAT 1
AGCFLT1
Vin=300mVrms
-2.5
0.0
2.5
dB
AGC FLAT 2
AGCFLT2
Vin=400mVrms
-2.5
0.0
2.5
dB
AGC FLAT 3
AGCFLT3
Vin=500mVrms
-2.5
0.0
2.5
dB
AGC FLAT 4
AGCFLT4
Vin=600mVrms
-2.5
0.0
2.5
dB
AGC CUT
AGCCUT
Vin=2Vrms
-14
-10
-6.0
dB
-4-
NJW1141
2
■ I C BUS BLOCK CHARACTERISTICS (SDA,SCL)
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
High Level Input Voltage
VIH
3.0
-
5.0
V
Low Level Input Voltage
VIL
0
-
1.5
V
High Level Input Current
IIH
-
-
10
µA
Low Level Input Current
IIL
-
-
10
µA
Low Level Output Voltage (3mA at SDA pin)
VOL
0
-
0.4
V
Maximum Output Current
IOL
-3.0
-
-
mA
Maximum Clock Frequency
fSCL
-
-
100
kHz
Data Change Minimum Waiting Time
tBUF
4.7
-
-
µs
tHD:STA
4.0
-
-
µs
Low Level Clock Pulse Width
tLOW
4.7
-
-
µs
High Level Clock Pulse Width
tHIGH
4.0
-
-
µs
Minimum Start Preparation Waiting Time
tSU:STA
4.7
-
-
µs
Minimum Data Hold Time
tHD:DAT
0
-
3.45
µs
Minimum Data Preparation Time
tSU:DAT
250
-
-
ns
Rise Time
tR
-
-
1.0
µs
Fall Time
tF
-
-
300
ns
tSU:STO
4.0
-
-
µs
Data Transfer Start Minimum Waiting Time
Minimum Stop Preparation Waiting Time
2
I C BUS Load Condition: Pull up resistance 4kΩ (Connected to +5V)
Load capacitance 200pF (Connected to GND)
SDA
tBUF
tR
tF
tHD:STA
SCL
tHD:STA tLOW
P
S
tHD:DAT
tHIGH
tSU:STA
tSU:DAT
tSU:STO
Sr
P
-5-
NJW1141
„TERMINAL DESCRIPTION
No.
SYMBOL
FUNCTION
1
2
3
4
27
28
29
30
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
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)
7
24
TONE-Ha
TONE-Hb
Ach Treble Filter
Bch Treble Filter
EQUIVALENT CIRCUIT
VOLTAGE
20k
V+/2
80k
FB
50
FB
20k
V+/2
V+/2
12k
8
23
TONE-La
TONE-Lb
Ach Bass Filter
Bch Bass Filter
20
AGC
AGC Filter
FB
12k
V+/2
12k
400
400
-6-
0.6V
NJW1141
„TERMINAL DESCRIPTION
No.
SYMBOL
FUNCTION
11
12
CVa
CVb
Pop Noise Reduction for Ach
Volume & Balance
Pop Noise Reduction for Bch
Volume & Balance
EQUIVALENT CIRCUIT
VOLTAGE
8k
V+/2 - 0.7V
VREG 5V
13
14
SDA
SCL
2
4k
SDA Data Input (I C BUS)
2
SCL Clock Input (I C BUS)
-
8k
SCL:GND
SDA:ACK
15
GND
GND Terminal
0V
16
V+
Power Supply Terminal
V+
200k
17
Vref
Reference Voltage
18
19
CTL
CTH
Pop Noise reduction
for Bass Control
Pop Noise reduction
for Treble Control
V+/2
V+/2 - 0.7V
36k
-7-
NJW1141
■ APPLICATION CIRCUIT
0.1µF +
0.1µF +
0.1µF +
0.1µF +
1
IN1a
IN1b
30
2
IN2a
IN2b
29
3
IN3a
IN3b
28
4
IN4a
IN4b
27
5
MONa
MONb
26
6
NC
NC
25
7
TONE -Ha
TONE -Hb 24
8
TONE -La
TONE -Lb 23
9
LINEa
LINEb 22
10
OUTa
OUTb
11
CVa
AGC 20
12
CVb
CTH 19
13
SDA
CTL 18
14
SCL
Vref
17
15
GND
V+
16
4.7µF +
2.2nF
0.1µF
+
0.1µF
+
0.1µF
+
4.7µF +
1µF
+
1µF
+
21
4.7 µF
+
2.2nF
100nF
4.7µF +
0.1µF
+
100nF
4.7 µF
+
4.7 µF
+
0.33 µF
1 µF
+
1 µF
+
1µF
+
+
22 µF
(NOTE)
2
1. Separate the I C bus line from the following terminals for avoiding digital noise problem.
Pin No.
7
8
-8-
Symbol
TONE-Ha
TONE-La
Pin No.
23
24
Symbol
TONE-Lb
TONE-Hb
NJW1141
2
■ DEFINITION OF I C REGISTER
2
♦ I C BUS FORMAT
MSB
S
LSB
Slave Address
1bit
8bit
MSB
LSB
A
Select Address
1bit
8bit
MSB
A
1bit
LSB
Data
A
P
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.
00H→01H→02H→03H→04H→05H→00H
Select
Address
BIT
D7
D6
D5
D4
00H
D3
D2
D1
D0
VOL
01H
CHS
02H
BCB
BASS
BCSB
SUB-BASS
03H
BCT
TREB
BCST
SUB-TREB
BAL
04H
05H
Don’t Care
Don’t Care
OUT
SEL
AGC1
AGC0
AGC
Don’t Care
♦ CONTROL REGISTER DEFAULT VALUE
Control register default value is all “0”.
Select
Address
BIT
D7
D6
D5
D4
D3
D2
D1
D0
00H
0
0
0
0
0
0
0
0
01H
0
0
0
0
0
0
0
0
02H
0
0
0
0
0
0
0
0
03H
0
0
0
0
0
0
0
0
04H
0
0
0
0
0
0
0
0
05H
0
0
0
0
0
0
0
0
-9-
NJW1141
2
■ I C CONTROL COMMAND DESCRIPTION
●MASTER VOLUME CONTROL
Select
Address
BIT
D7
D6
D4
D5
00H
D3
D2
D1
D0
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
D7
01H
CHS
D6
D4
D5
D3
D2
BAL
D1
D0
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
D7
02H
BCB
D6
D4
D5
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 -
D3
D2
BCSB
D1
D0
SUB-BASS
NJW1141
●TONE CONTROL TREBLE SETTING
BIT
Select
Address
D7
03H
BCT
D6
D4
D5
D3
TREB
D2
BCST
D1
D0
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
D7
05H
OUT
D6
D4
D5
SEL
D3
D2
D1
D0
AGC1
AGC0
AGC
Don’t Care
•OUT: ON/OFF Switch for OUTPUT
“0”: OFF (MUTE)
“1”: ON
•SEL: Input Selector
Input Select
IN1a and IN1b
IN2a and IN2b
IN3a and IN3b
IN4a and IN4b
D6
0
0
1
1
SEL
D5
1
1
0
0
D4
0
1
0
1
AGC1
(D3)
0
0
1
1
✳
AGC0
(D2)
0
1
0
1
✳
AGC
(D1)
1
1
1
1
0
• AGC1: AGC Level Setting
AGC Level
300mVrms
400mVrms
500mVrms
600mVrms
AGC Off
✳ Don’t Care
- 11 -
NJW1141
„MASTER VOLUME (Select Address: 00H)
VOL
Gain (dB)
HEX
D7
D6
D5
D4
D3
D2
D1
D0
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
-31
-32
-33
-34
-35
-36
-37
-38
-39
-40
-41
-42
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
96
93
90
8D
8A
87
84
81
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
- 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
Ach (Bch is attenuated)
0
Bch (Ach is attenuated)
1
BAL
Gain (dB)
D6
D5
D4
D3
D2
0
0
0
0
0
0
-1
0
0
0
0
1
-2
0
0
0
1
0
-3
0
0
0
1
1
-4
0
0
1
0
0
-5
0
0
1
0
1
-6
0
0
1
1
0
-7
0
0
1
1
1
-8
0
1
0
0
0
-9
0
1
0
0
1
- 14 -
-10
0
1
0
1
0
-11
0
1
0
1
1
-12
0
1
1
0
0
-13
0
1
1
0
1
-14
0
1
1
1
0
-15
0
1
1
1
1
-16
1
0
0
0
0
-17
1
0
0
0
1
-18
1
0
0
1
0
-19
1
0
0
1
1
-20
1
0
1
0
0
-21
1
0
1
0
1
-22
1
0
1
1
0
-23
1
0
1
1
1
-24
1
1
0
0
0
-25
1
1
0
0
1
-26
1
1
0
1
0
-27
1
1
0
1
1
-28
1
1
1
0
0
-29
1
1
1
0
1
-30
1
1
1
1
0
Mute
1
1
1
1
1
NJW1141
„TONE CONTROL BASS (Select Address: 02H)
Bass
Cut or Boost
BCB
D7
Cut
0
Boost
1
BASS
Cut Gain
(dB)
Boost Gain
(dB)
D6
D5
D4
D3
-15
15
1
1
1
1
-14
14
1
1
1
0
-13
13
1
1
0
1
-12
12
1
1
0
0
-11
11
1
0
1
1
-10
10
1
0
1
0
-9
9
1
0
0
1
-8
8
1
0
0
0
-7
7
0
1
1
1
-6
6
0
1
1
0
-5
5
0
1
0
1
-4
4
0
1
0
0
-3
3
0
0
1
1
-2
2
0
0
1
0
-1
1
0
0
0
1
0
0
0
0
0
0
„TONE CONTROL SUB-BASS (Select Address: 02H)
Sub-Bass
Cut or Boost
BCSB
D2
Cut
0
Boost
1
SUB-BASS
Cut Gain
(dB)
Boost Gain
(dB)
D1
D0
-3
3
1
1
-2
2
1
0
-1
1
0
1
0
0
0
0
- 15 -
NJW1141
„TONE CONTROL TREBLE (Select Address: 03H)
Treble
Cut or Boost
BCT
D7
Cut
0
Boost
1
TREB
Cut Gain
(dB)
Boost Gain
(dB)
D6
D5
D4
D3
-15
15
1
1
1
1
-14
14
1
1
1
0
-13
13
1
1
0
1
-12
12
1
1
0
0
-11
11
1
0
1
1
-10
10
1
0
1
0
-9
9
1
0
0
1
-8
8
1
0
0
0
-7
7
0
1
1
1
-6
6
0
1
1
0
-5
5
0
1
0
1
-4
4
0
1
0
0
-3
3
0
0
1
1
-2
2
0
0
1
0
-1
1
0
0
0
1
0
0
0
0
0
0
„TONE CONTROL SUB-TREBLE (Select Address: 03H)
Sub-Treble
Cut or Boost
BCST
D2
Cut
0
Boost
1
SUB-TREB
Cut Gain
(dB)
Boost Gain
(dB)
D1
D1
-3
3
1
1
-2
2
1
0
-1
1
0
1
0
0
0
0
- 16 -
NJW1141
„TYPICAL CHARACTERISTICS
S upply Current vs Supply Voltage
Supply Current vs T emparature
Ta=25o C
V+=9V
10
10
9
Supply C urrent [mA]
Supply C urrent [mA]
8
6
4
2
8
7
6
5
0
4
0
2
4
6
8
10
0
12
G ain vs Balance Control
V +=9V, Vin=1V rms, f=1k Hz, R g=600Ω
0
0
-20
-20
o
75,25,-20 C
Gain [d B]
Gain [dB]
V+=9V, Vin(Ach)=1Vrms,f=1kHz,
OUTPUT,Rg=600Ω
-60
100
Temparature [ C]
Gain vs Volume Control
-40
50
o
Supply Voltage [V]
-40
Vo(Bch )
-60
75, 25, -20o C
Vo(Ach )
75, 25, -20o C
-80
-80
-100
0
-10 -20 -30 -40 -50 -60 -70 -80 MUTE
-100
M U TE -30
-30
-20
-2 0 -10-1 0 0 0
Volume Control [dB]
20-20 30-30
MUTE
Balanc e Control [d B]
Output Noise vs Volume Control
Output Noise vs Temperature
V+=9V, OUTPUT,BW=400-30kHz
V+=9V, Rg=600Ω, BW=400Hz-30kHz
Rg=600Ω, Ta=25oC
-60
10
-10
-40
Output Noise [dBV]
-70
Gain [dB]
-80
-90
-100
-60
Vol=0dB
-80
-100
-110
Vol=MUTE
-120
0
-10 -20 -30 -40 -50 -60 -70 -80 MUTE
Volume Control [dB]
-120
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
V+=9V, Vin(Ach), f=1kHz, Vo(Ach)OUTPUT
Rg=600Ω, BW=400Hz-30kHz, Vol=-20dB
100
Rg=600Ω, BW=400Hz-30kHz, Ta=25oC
100
10
-30dB
THD+N [ % ]
THD+N [ % ]
10
1
0.1
1
0.1
-20dB
-10dB
0.01
0.01
75oC
0dB
0.1
0.01
0.01
1
Input Voltage [Vrms]
THD+N vs Output Voltage
THD+N vs Output Voltage
100
10
THD+N [ % ]
10
THD+N [ % ]
1
V+=9V, Vin(Ach), f=1kHz, Vo(Ach)OUTPUT
Rg=600Ω, BW=400Hz-30kHz, Vol=0dB
BW=400Hz-30kHz, Rg=600Ω, Ta=25oC
100
-30dB
1
0.1
-20oC
1
25oC
0.1
-20dB
0.01
0.01
-10dB
0.1
75oC
0dB
0.01
0.01
1
0.1
1
Output Voltage [Vrms]
Output Voltage [Vrms]
MUT E Level vs Frequency
Ch annel Separation vs Frequen cy
V+=9V , Vin=1Vrms, f=1kHz, Vo=OUTP U T
V+=9V, Vin(Ach)=1Vrms, Vol=MUTE
Rg=600Ω , Vol=0 dB, Ta=25o C
Vo(Ach)O U TPUT, Rg=600Ω , Ta=25oC
120
100
Channel Sep aration [d B]
100
MUTE Level [d B]
0.1
Input Voltage [Vrms]
V+=9V, Vin(Ach), f=1kHz, Vo(Ach)OUTPUT
80
60
40
20
80
60
Vin(Ach)-V o(Bch )
Vin(Bch)-V o(Ach )
40
20
0
0
100
1000
Frequency [Hz]
- 18 -
25oC
-20oC
4
10
100
1000
Freqency [H z]
4
10
NJW1141
„TYPICAL CHARACTERISTICS
AG C C ontrol
Gain vs Frequency (TONE)
20
V+=9V, Vin(Ach)=0.1Vrms,Gv:3dB steps
V+=9V, Vin(Ach+Bch), f=1kH z, Vo (Ach)OU TPU T
Vo(Ach), Rg=600Ω, Ta=25oC
Rg=600Ω , Ta=25o C
600m V
Output Voltage [Vrms]
1
Gain [dB]
10
0
-10
-20
100
0.1
300m V
0.01
OFF
0.001
0.001
4
1000
500m V
400m V
10
0.01
0.1
1
AG C Attack T ime (C:20pin =0.33µ F)
V+=9V , V in(Ach+Bch)=1Vrms,f=20kH z,Vo (Ach)OU TPU T
AGC Recovery T ime (C:20pin =0.33µ F)
V+=9V, Vin(Ac h+B ch)=1 Vrm s, f=10kH z,Vo (Ach)OUTPUT
AGC level= 0.3V,Rg=600Ω , Ta=25oC
2
AG C level= 0.3V,R g=600Ω ,Ta=25o C
0.2
1
Output Voltage [V]
Output Voltage [V]
Frequency [Hz]
Input Voltage [Vrms]
0
-1
-2
0.1
0
-0.1
-0.2
0
2
4
6
Time [ms]
8
10
0
100
200
300
400
500
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 -