NJW1151
P R E L I M I N ARY
6-CHANNEL ELECTRONIC VOLUME
s
GENERAL DESCRIPTION
The
NJW1151
is a 6-CHANNEL ELECTRONIC VOLUME,
which also includes tone control, balance and trim level
control. The
NJW1151
is suitable for multi-channel audio
system, such as AV amplifier, mini stereo component,
speaker system, and others.
2
All of internal status and variables are controlled by I C
BUS interface.
s
FEATURES
q
Operating Voltage
2
q
I C BUS Interface
q
6-Chnnel Master Volume
q
Balance control for L, R-ch
q
Trim Level Control for C, SL, SR, SW-ch
q
Independent Tone Control (Bass, Treble)
q
Bi-CMOS Technology
q
Package Outline
s
BLOCK DIAGRAM
s
PACKAGE OUTLINE
NJW1151M
+8.0 to +15.0V
0 to –79dB, MUTE
0 to –30dB, MUTE
0 to –20dB
for L, R-ch
SDMP30
Lch TONE in
Rch TONE in
Tone Control
Bass/Treble
Lch TONE out
Rch TONE out
Lch in
Rch in
Balance
Control
Master
Volume
Lch out
Rch out
C-ch in
SL-ch in
SR-ch in
SW-ch in
C-ch out
Level Trim
SL-ch out
SR-ch out
SW-ch out
Power
Supply
+8 to +15V
I C BUS
Interface
2
(1/8)
NJW1151
s
PIN FUNCTION
VREF
GND
1
V+
TONE CONTROL
30
LTIN
2
VREFC
29
LTOUT
3
RTIN
TONE CONTROL
28
LTC
4
RTOUT
27
LBC1
5
RTC
26
LBC2
6
RBC1
25
LBC3
7
RBC2
BALANCE
MASTER VOLUME
24
LOUT
8
RBC3
BALANCE
23
ROUT
9
LIN
22
COUT
10
RIN
TRIMMER
21
SLOUT
TRIMMER
11
CIN
TRIMMER
20
SROUT
12
SLIN
19
SWOUT
13
SRIN
TRIMMER
18
SDA
14
SWIN
I2C Interface
Logic
17
SCL
15
16
(2/8)
NJW1151
s
ABSOLUTE MAXIMUM RATING (Ta=25°C)
°
PARAMETER
SYMBOL
Supply Voltage
Maximum Input Voltage
Power Dissipation
Operating Temperature Range
Storage Temperature Range
V
+
RATING
+15
V
+
(
✴
)
UNIT
V
V
mW
°C
°C
V
IM
P
D
Topr
Tstg
+
-
700
-40 to +85
-40 to +125
(✴) For the maximum input voltage less than 0 to V+
s
ELECTRICAL CHARACTERISTICS ( Ta=25°C,V /V =±7V, V
DD
=5V)
°
±
PARAMETER
SYMBOL
TEST CONDITION
♦
Power Supply
Operating Voltage
Supply Current
♦
Input/Output Characteristics
Voltage Gain
Voltage Gain Error
Maximum Attenuation 1
Maximum Attenuation 2
Attenuation Error
Maximum Output Voltage
Output Noise
Total Harmonic Distortion
Channel Separation
♦
Tone Control Characteristics
Treble Boost Gain1
Treble Boost Gain2
Bass Boost Gain1
Bass Boost Gain2
HF
BST
HF
CUT
LF
BST
LF
CUT
Vo=1Vrms f=10KHz
Treble=10dB
Vo=1Vrms f=10KHz
Treble=-10dB
Vo=1Vrms f=50Hz
Bass=10dB
Vo=1Vrms f=50Hz
Bass=-10dB
G
V
∆G
V
A
TT1
A
TT2
∆A
TT
V
OM
V
NO
T.H.D.
CS
V
IN
=1Vrms, f=1kHz
Master=0dB, Balance=0dB
Trimmer=0dB
V
IN
=1Vrms, f=1kHz
Master=0dB
f=1KHz, V
IN
=1Vrms
Master=-79dB
f=1KHz, V
IN
=1Vrms
Mute
f=1KHz, V
IN
=1Vrms
Master=-50dB
Trimmer=-10dB
f=1KHz,THD=1%
Master=0dB
Master=0dB,
Rg=0,A-weight
f=1KHz,Vo=1Vrms,
Master=0dB,Trimmer=0dB
f=1KHz,Vo=1Vrms
Master=0dB,A-weight
V
+
MIN.
TYP.
MAX.
UNIT
8.0
No Signal
-
14.0
10
15.0
30
V
mA
I
CC
-0.5
-0.5
-
-
-1
3.0
-
-
-
0
0
-79
-90
0
4.0
-110
(3.2µ)
0.005
-80
0.5
0.5
-
-
1
-
-100
(10µ)
0.05
-70
dB
dB
dB
dB
dB
Vrms
dBV
(Vrms)
%
dB
8
-12
8
-12
10
-10
10
-10
12
-8
12
-8
dB
dB
dB
dB
(3/8)
NJW1151
s
APPLICATION CIRCUIT
100µF
VREF
+14V
10µF
100µF
V+
TONE CONTROL
GND
LTIN
4.7µF
VREFC
RTIN
TONE CONTROL
LTOUT
LTC
10 nF
4.7µF
RTOUT
LBC1
RTC
10 nF
LBC2
680nF
RBC1
MASTER VOLUME
LBC3
680nF
RBC2
LOUT 10µF
RBC3
10µF LIN
4.7µF
RIN
4.7µF
CIN
4.7µF
SLIN
4.7µF
SRIN
4.7µF
SWIN
4.7µF
BALANCE
ROUT
BALANCE
COUT
TRIMMER
SLOUT
TRIMMER
SROUT
TRIMMER
SWOUT
+5V
TRIMMER
SDA
4k
Ω
200pF
4k
Ω
200pF
I2C BUS
INTERFACE
SCL
(4/8)
NJW1151
s
I C BUS Block CHARACTERISTICS (SDA, SCL)
PARAMETER
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
Low Level Output Voltage (3mA at SDA pin)
Maximum Output Current
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
Minimum Data Preparation Time
Rise Time
Fall Time
Minimum Stop Preparation Waiting Time
2
2
SYMBOL
V
IH
V
IL
I
IH
I
IL
V
OL
I
OL
f
SCL
t
BUF
t
HD:STA
t
LOW
T
HIGH
t
SU:STA
t
HD:DAT
t
SU:DAT
t
R
t
F
t
SU:STO
MIN.
3.0
0
-
-
0
-3.0
0
4.7
4.0
4.7
4.0
4.7
5.0
250
-
-
4.7
TYP.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
MAX.
5.0
1.5
10
10
0.4
-
100
-
-
-
-
-
-
-
1.0
300
-
UNIT
V
V
µA
µA
V
mA
kHz
µs
µs
µs
µs
µs
µs
ns
µs
ns
µs
I C BUS Load Condition: Pull up resistance 4kΩ (Connected to +5V)
Load capacitance 200pF (Connected to GND)
SDA
t
BU
t
R
t
F
t
HD:ST
SCL
t
HD:ST
P
S
t
LOW
t
HD:DA
t
HIGH
t
SU:DA
Sr
t
SU:ST
t
SU:ST
P
(5/8)
