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NJW1112V-TE1

P1-P3P4-P6P7-P9P10-P12P13-P13
NJW1112
– 7 –
Ver.0.2
INITIAL CONDITION
MSB
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
0 0 0 0 0 0 0 0 0 0 0 0 * * * *
0 0 0 0 0 0 0 0 0 0 0 1 * * * *
0 0 0 0 0 0 0 0 0 0 1 0 * * * *
0 0 0 0 0 0 0 0 0 0 1 1 * * * *
LSB
Note.) This product starts up by MUTE setting in power “ON”. Use it after removing MUTE of each setting.
If any audio signal is inputted in input signal terminal before power “ON”, it may cause initial condition
abnormality. In conditions of use such as the above, it prevents that abnormality by setting MUTE before
power “OFF"
CONTROL DATA
X Selector : Selector for the stereo inputs from InA1/B1 to InA8/B8
OutSW : Output ON/OFF setting
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Don’t Care OutSW1 Selector1 0 0 0 0 * * * *
Don’t Care OutSW2 Selector2 0 0 0 1 * * * *
Don’t Care OutSW3 Selector3 0 0 1 0 * * * *
Don’t Care OutSW4 Selector4 0 0 1 1 * * * *
a)
Selector
Data
D11 D10 D9 D8
Setting
0 0 0 0 Mute
(
7
)
0 0 0 1 InA1/B1
0 0 1 0 InA2/B2
0 0 1 1 InA3/B3
0 1 0 0 InA4/B4
0 1 0 1 InA5/B5
0 1 1 0 InA6/B6
0 1 1 1 InA7/B7
1 0 0 0 InA8/B8
(
7
)
Initial Setting
b)
OutSW
Data
D12
Setting
0 Output ON
(
7
)
1 Output OFF
(
7
)
Initial Setting
NJW1112
– 8 –
Ver.0.2
APPLICATION CIRCUIT 1
NOTES
(6) Separate the 3-wired serial control bus line from the input terminals (1pin to 16pin) for avoiding digital noise problem
and cross talk.
(6) Cross talk performance may be effected by PCB patterning and Input resistor “Rin” in relation to input impedance.
Widen intervals of input lines (1pin to 16pin) and put guard patterns (ground patterns) among input lines for avoiding
cross talk problem.
Further, cross talk performance may be effected by input resistor “Rin”. In consideration of an actual operating condition,
please decide Rin values after evaluating.
(6) The output terminals of this device are designed as a line driver. Use them by load resistances more than 2kΩ because
output waveforms may be in an unstable condition.
V-
ADR
V+
100
µ
F
InA1
OutB1
OutA1
LATCH
DATA
CLOCK
GND
+
V-
10
µ
F
VDDOUT
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
Control Logic
OutB2
OutA2
OutB3
OutA3
OutB4
OutA4
+
+
+
+
+
+
+
+
+
+
100
µ
F
10
µ
F
10
µ
F
10
µ
F
10
µ
F
10
µ
F
10
µ
F
10
µ
F
10
µ
F
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
InB1
InA2
InB2
InA3
InB3
InA4
InB4
InA5
InB5
InA6
InB6
InA7
InB7
InA8
InB8
50k
Ω
50k
Ω
50k
Ω
50k
Ω
50k
Ω
50k
Ω
50k
Ω
50k
Ω
NJW1112
– 9 –
Ver.0.2
APPLICATION CIRCUIT 2
The NJW1112 is available to expand to 16-input 4-output stereo audio selector without sound quality
deterioration, because it is able to connect in parallel by Output switch function.
V-
ADR=V+
V+
100
µ
F
InA1
OutB1
OutA1
LATCH
DATA
CLOCK
GND
+
V-
10
µ
F
VDDOUT
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
Control Logic
OutB2
OutA2
OutB3
OutA3
OutB4
OutA4
+
+
+
+
+
+
+
+
+
+
100
µ
F
10
µ
F
10
µ
F
10
µ
F
10
µ
F
10
µ
F
10
µ
F
10
µ
F
10
µ
F
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
InB1
InA2
InB2
InA3
InB3
InA4
InB4
InA5
InB5
InA6
InB6
InA7
InB7
InA8
InB8
V-
ADR=GND
V+
100
µ
F
InA1
GND
+
V-
10
µ
F
VDDOUT
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
Control Logic
+
+
+
+
+
+
+
+
+
+
100
µ
F
10
µ
F
10
µ
F
10
µ
F
10
µ
F
10
µ
F
10
µ
F
10
µ
F
10
µ
F
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
10
µ
F
+
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
Rin
InB1
InA2
InB2
InA3
InB3
InA4
InB4
InA5
InB5
InA6
InB6
InA7
InB7
InA8
InB8
In1
In2
In3
In4
In5
In6
In7
In8
In9
In10
In11
In12
In13
In14
In15
In16
Out1
Out2
Out3
Out4
50k
Ω
50k
Ω
50k
Ω
50k
Ω
50k
Ω
50k
Ω
50k
Ω
50k
Ω
50k
Ω
50k
Ω
50k
Ω
50k
Ω
50k
Ω
50k
Ω
50k
Ω
50k
Ω
P1-P3P4-P6P7-P9P10-P12P13-P13

NJW1112V-TE1

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Description:
IC AUDIO SIGNAL PROCESSOR 32SSOP
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