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Электронный компонент: NJW1157

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NJW1157
1
8-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR
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GENERAL DESCRIPTION
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PACKAGE OUTLINE
NJW1157
is an eight channel electronic volume IC.
It includes Input selector, tone control, volume, mute,
input selector gain control, volume output gain control
and 5 REC outputs. It's suitable for multi-channel
audio equipments such as AV receivers and DVD
receivers. These functions are controlled by
three-wired serial data.
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FEATURES
q
Operating Voltage
4.5 to 7.5V
q
Three-Wired Serial Data Control
q
Input Selector (x 12)
q
REC Output (x 5) with Selector
q
Input Selector Gain Control
Gain : 0/-3/-6/-9/-12dB
q
Volume Output Gain Control
Gain : 0/+3/+6/+9/+12/+15/+18dB
q
Volume
0
to
-100dB/1dBstep,
MUTE
q
Tone
Control
0
to
10dB/1dBstep
q
Subwoofer output addition to L, R channel output
q
Subwoofer output ON/OFF control
q
Bi-CMOS Technology
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Package Outline
QFP100 C2
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BLOCK DIAGRAM






























NJW1157FC2
RECA1
L
RECA2
L
RECA1
R
RECA3
L
RECA2
R
RECB2
L
RECB2
R
R1IN
FL
+
FL
-
CBIN LSBI
N
RBBI
N
L
BBI
N
RBBI
N
SWBI
N
GND
V+
V-
LATCH
DATA
CLOCK
Supply
Voltage
COM
Interface
FR
+
FR
-
Amp
Gain
LOUT
ROUT
COUT
LSOUT
RSOUT
SWOUT
RECB1
L
RECA3
R
RECB1
R
L1IN
L2IN
L3IN
L4IN
L5IN
L6IN
L7IN
R2IN
R3IN
R4IN
R5IN
R6IN
R7IN
L8IN
R8IN
CAIN
LSAIN
RSAIN
LBAIN
RBAIN
SWAIN
Att Gain
Att Gain
DCLA1
SW
SW
TONE
TONE
F
I
L1_R
F
I
L2_R
F
I
L3_R
F
I
L4_R
F
I
L1_L
F
I
L2_L
F
I
L3_L
F
I
L4_L
DCLA2
DCRA1 DCRA2
Multi-Channel Input B
M
u
l
t
i
-
Channel
I
nput

A
2 Channel
I
nput
Input Selector
Multi-channel
Volume
LBOUT
RBOUT
LAIN
RAIN
LB
IN
RBIN
L9IN
R9IN
L10IN
R10IN
L11IN
R11IN
L12IN
R12IN
REC Out Selector
SSW
BSW
TSW
NJW1157
2
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PIN FUNCTION













No. SYMBOL
FUNCTION
No.
SYMBOL
FUNCTION
1
LOUT
Lch output
51
L1IN
"Input selector" Lch input 1
2
ROUT
Rch output
52
R1IN
"Input selector" Rch input 1
3
COUT
Cch output
53
L2IN
"Input selector" Lch input 2
4
LSOUT
LSch output
54
R2IN
"Input selector" Rch input 2
5
RSOUT
RSch output
55
L3IN
"Input selector" Lch input 3
6
LBOUT
LBch output
56
R3IN
"Input selector" Rch input 3
7
RBOUT
RBch output
57
L4IN
"Input selector" Lch input 4
8
SWOUT
SWch output
58
R4IN
"Input selector" Rch input 4
9
DC_L1
Lch Bass filter DC cut capacitor output terminal
59
L5IN
"Input selector" Lch input 5
10
DC_L2
Lch Bass filter DC cut capacitor input terminal
60
R5IN
"Input selector" Rch input 5
11
FIL_BL
Lch Bass filter terminal
61
L6IN
"Input selector" Lch input 6
12
FIL_TL
Lch Treble filter terminal
62
R6IN
"Input selector" Rch input 6
13
DC_R1
Rch Bass filter DC cut capacitor output terminal
63
L7IN
"Input selector" Lch input 7
14
DC_R2
Rch Bass filter DC cut capacitor input terminal
64
R7IN
"Input selector" Rch input 7
15
FIL_BR
Rch Bass filter terminal
65
L8IN
"Input selector" Lch input 8
16
FIL_TR
Rch Treble filter terminal
66
R8IN
"Input selector" Rch input 8
17
N.C.
No Connect
67
L9IN
"Input selector" Lch input 9
18
N.C.
No Connect
68
R9IN
"Input selector" Rch input 9
19
V+
+ Power supply voltage input
69
L10IN
"Input selector" Lch input 10
20
V-
- Power supply voltage input
70
R10IN
"Input selector" Rch input 10
21
REC_A1L
"Input selector" Lch REC output A1
71
L11IN
"Input selector" Lch input 11
22
REC_A1R
"Input selector" Rch REC output A1
72
R11IN
"Input selector" Rch input 11
23
REC_A2L
"Input selector" Lch REC output A2
73
L12IN
"Input selector" Lch input 12
24
REC_A2R
"Input selector" Rch REC output A2
74
R12IN
"Input selector" Rch input 12
25
REC_A3L
"Input selector" Lch REC output A3
75
N.C.
No Connect
26
REC_A3R
"Input selector" Rch REC output A3
76
DGND
Digital Ground
27
REC_B1L
"Input selector" Lch REC output B1
77
DATA
Control data signal input
28
REC_B1R
"Input selector" Rch REC output B1
78
CLOCK
Clock signal input
29
REC_B2L
"Input selector" Lch REC output B2
79
LATCH
Latch signal input
30
REC_B2R
"Input selector" Rch REC output B2
80
LAIN
Multi-channel Lch input A
31
DCCAP_L
Switching noise rejection capacitor
81
RAIN
Multi-channel Rch input A
32
DCCAP_R
Switching noise rejection capacitor
82
CAIN
Multi-channel Cch input A
33
DCCAP_C
Switching noise rejection capacitor
83
LSAIN
Multi-channel LSch input A
34 GND Ground
84
RSAIN
Multi-channel
RSch
input
A
35
GND
Ground
85
LBAIN
Multi-channel LBch input A
36
DCCAP_LS
Switching noise rejection capacitor
86
RBAIN
Multi-channel RBch input A
37
DCCAP_RS Switching noise rejection capacitor
87
SWAIN
Multi-channel SWch input A
38
DCCAP_LB Switching noise rejection capacitor
88
LBIN
Multi-channel Lch input B
39
DCCAP_RB Switching noise rejection capacitor
89
RBIN
Multi-channel Rch input B
40
DCCAP_SW Switching noise rejection capacitor
90
CBIN
Multi-channel Cch input B
41
DCL_OUT
"Input selector" Lch output
91
LSBIN
Multi-channel LSch input B
42
DCL_IN
"Multi-channel selector" Lch input
92
RSBIN
Multi-channel RSch input B
43
DCR_OUT
"Input selector" Rch output
93
LBBIN
Multi-channel LBch input B
44
DCR_IN
"Multi-channel selector" Rch input
94
RBBIN
Multi-channel RBch input B
45 FL+
"Input selector gain control" Lch no-inverted output
95
SWBIN
Multi-channel SWch input B
46
FL-
"Input selector gain control" Lch inverted output
96
GND
Ground
47 FR+
"Input selector gain control" Rch no-inverted output
97
GND Ground
48
FR-
"Input selector gain control" Rch inverted output
98
VSSOUT2
Internal Digital -Power Supply Output 2
49
VDDOUT
Internal Digital +Power Supply Output
99
VDDOUT2
Internal Digital +Power Supply Output 2
50
VSSOUT
Internal Digital -Power Supply Output
100
TCCAP
Switching noise rejection capacitor
1
30
31
50
80
81
100
51
NJW1157
3
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ABSOLUTE MAXIMUM RATING (Ta=25



C)
PARAMETER SYMBOL
RATING
UNIT
Power Supply Voltage
V
+
/V
-
+7.5/-7.5 V
Maximum Input Voltage
V
IM
V
+
/V
-
V
Power Dissipation
P
D
1300
(* On board)
mW
Operating Temperature Range
Topr
-40 to +85
C
Storage Temperature Range
Tstg
-40 to +125
C
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ELECTRICAL CHARACTERISTICS
(Ta=25



C,V
+
/V
-
=



7V)
PARAMETER SYMBOL
TEST
CONDITION
MIN.
TYP.
MAX.
UNIT
x
x
x
x
Power Supply
Operating Voltage 1
V+
-
4.5 7.0 7.5 V
Operating Voltage 2
V
-
-
-7.5 -7.0 -4.5 V
Supply Current 1
I
CC
No signal (V+)
-
25
43
mA
Supply Current 2
I
EE
No signal (V-)
-
25
43
mA
x
x
x
x
Input/Output Characteristics (Output : 1 to 8pin)
Maximum Output Voltage
V
OM
f=1kHz,THD=1%
Volume=0dB
3.0 4.0 - Vrms
Voltage Gain
G
V
V
IN
=1Vrms, f=1kHz
Volume=0dB
-0.5 0 0.5 dB
Voltage Gain Error
G
V
V
IN
=1Vrms, f=1kHz
Volume=0dB
-0.5 0 0.5 dB
Maximum Attenuation
A
TT
f=1kHz, V
IN
=1Vrms
Volume=Mute
- -110 - dB
Attenuation Error
A
TT
f=1kHz, V
IN
=1Vrms
Volume=-60dB
-1 0 1 dB
Output Noise
V
NO
Volume=0dB,
Rg=0,A-weight
-
-110
(3.2
)
-100
(10
)
dBV
(Vrms)
Total Harmonic Distortion
T.H.D.
f=1kHz,Vo=1Vrms,
Volume=0dB
- 0.005
0.05 %
Channel Separation
CS
f=1kHz,Vo=1Vrms,A-weight
Volume=0dB
- -100 -90 dB
x
x
x
x
Input/Output Characteristics
(REC output : 21 to 30pin)
REC Out Voltage Gain
G
VREC
V
IN
=1Vrms, f=1kHz
-0.5
0
0.5
dB
REC Out
Total Harmonic Distortion
T.H.D.
REC
f=1kHz,Vo=1Vrms,
-
0.005 0.05
%
x
x
x
x
Input Selector Gain Control Characteristics
Input Selector Gain Control
Voltage Gain 1
G
VINC1
Input Selector Gain = 0dB
-0.5
0
+0.5
dB
Input Selector Gain Control
Voltage Gain 2
G
VINC2
Input Selector Gain = -6dB
-6.5
-6.0
-5.5
dB
Input Selector Gain Control
Voltage Gain 3
G
VINC3
Input Selector Gain = -12dB
-12.5
-12.0
-11.5
dB

NJW1157
4
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ELECTRICAL CHARACTERISTICS
(Ta=25



C,V
+
/V
-
=



7V)
PARAMETER SYMBOL
TEST
CONDITION
MIN.
TYP.
MAX.
UNIT
x
x
x
x
Tone Control Characteristics
Treble Voltage Gain 1
G
VTREB1
Vo=1Vrms, f=10kHz
Volume=0dB
Treble=0dB
-2.0 0 2.0 dB
Treble Voltage Gain 2
G
VTREB2
Vo=1Vrms, f=10kHz
Volume=0dB
Treble=10dB
8.0 10.0 12.0 dB
Treble Voltage Gain 3
G
VTREB3
Vo=1Vrms, f=10kHz
Volume=0dB
Treble=-10dB
-12.0 -10.0 -8.0
dB
Bass Voltage Gain 1
G
VBASS1
Vo=1Vrms, f=100Hz
Volume=0dB
Bass=0dB
-2.0 0 2.0 dB
Bass Voltage Gain 2
G
VBASS 2
Vo=1Vrms, f=100Hz
Volume=0dB
Bass=10dB
8.0 10.0 12.0 dB
Bass Voltage Gain 3
G
VBASS 3
Vo=1Vrms, f=100Hz
Volume=0dB
Bass=-10dB
-12.0 -10.0 -8.0
dB
x
x
x
x
Volume Output Gain Control Characteristics
Volume Output Gain Control
Voltage Gain 1
G
VOUTC1
Volume=0dB
Volume Output Gain=3dB
2.0 3.0 4.0 dB
Volume Output Gain Control
Voltage Gain 2
G
VOUTC2
Volume =0dB
Volume Output Gain =9dB
8.0 9.0 10.0 dB
Volume Output Gain Control
Voltage Gain 3
G
VOUTC3
Volume =0dB
Volume Output Gain =18dB
17.0 18.0 19.0 dB
x
x
x
x
Logic Control Characteristics
High Level Input Voltage
V
IH
-
2.5 - 5.5 V
Low Level Input Voltage
V
IL
- 0
-
1.5
V
NJW1157
5
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TERMINAL DESCRIPTION
PIN
NO.
SYMBOL FUNCTION
EQUIVALENT
CIRCUIT
TERMINAL
DC
VOLTAGE
1
2
LOUT
ROUT
Lch Output
Rch Output
0
3
4
5
6
7
8
COUT
LSOUT
RSOUT
LBOUT
RBOUT
SWOUT
Cch Output
LSch Output
RSch Output
LBch Output
RBch Output
SWch Output
0
9
13
DC_L1
DC_R1
Lch Bass filter DC cut capacitor output terminal
Rch Bass filter DC cut capacitor output terminal
0
10
14
DC_L2
DC_R2
Lch Bass filter DC cut capacitor input terminal
Rch Bass filter DC cut capacitor input terminal
0

V- (SUB)
V+
40
25K
10
V- (SUB)
V+
25K
10.25K
7K
V+
V- (SUB)
V- (SUB)
V+
34.2K