NJW1111
9-IN 3-OUT STEREO AUDIO SELECTOR
! GENERAL DESCRIPTION
! PACKAGE OUTLINE
The NJW1111 is a 9-input 3-output stereo audio selector.
It includes three independent 9input-1output stereo audio selectors
and adjustable gain buffers.
The NJW1111 performs superior audio characteristics such as low
distortion, low output noise and low crosstalk.
All of internal status and variables are controlled by three-wired
serial bus. Selectable two Chip address is available for using two
chips on same serial bus line. It is suitable for AV amplifier and
receiver system and others.
NJW1111V
! FEATURES
• Operating Voltage
±4.5 to ±7.5V
• 9-Input, 3-Output Stereo Audio Selector
• Operating Current
8mA typ.
• Low Distortion
• Low Output Noise
• Low Crosstalk
0.0007% typ.
-116dBV typ.
110dB typ.
• Channel Separation
• Variable Gain Buffer
• 3-Wired Serial Control
• Bi-CMOS Technology
• Package Outline
110dB typ.
0, 3 to 8dB/0.5dB step
SSOP32
! BLOCK DIAGRAM
InB1
InB2
InB3
InB4
InB6
InB7
InB8
InB9
OutB1
OutB2
OutB3
InB5
ADR
V+
V-
+
10
F
10
F
10
F
10
F
10
F
10
F
10
F
10
F
10
µ
F
µ
µ
µ
µ
µ
µ
µ
µ
10
F
10
F
10 F
µ
+
µ
µ
+
+
+
+
+
+
+
+
+
+
+
+
100
F
µ
100
F
µ
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
GND
Gain
Gain
Gain
8dB to 3dB
/ 0.5dBstep
8dB to 3dB
/ 0.5dBstep
8dB to 3dB
/ 0.5dBstep
50K
ΩX18
Gain
Gain
Gain
8dB to 3dB
/ 0.5dBstep
8dB to 3dB
/ 0.5dBstep
8dB to 3dB
/ 0.5dBstep
Control Logic
GND
10
1
2
3
4
5
6
7
8
9
11
12
13
14
15
16
+
+
+
+
+
+
+
+
+
+
+
+
10
F
10
F
10
F
10
F
10
F
10
F
10
F
10
F
10 F
µ
µ
µ
µ
µ
µ
µ
µ
µ
10
F
10
F
10 F
µ
µ
µ
InA1
InA2
InA3
InA4
InA6
InA7
InA8
InA9
InA5
OutA1
OutA2
OutA3
LATCH
DATA
CLOCK
Ver.4.0
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