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JRC
JRC

NJW1184 Datasheet Preview

NJW1184 Datasheet

Electronic Volume

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NJW1184 pdf
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NJW1184
4-CHANNEL ELECTRONIC VOLUME
s GENERAL DESCRIPTION
The NJW1184 is a four channel electronic volume.
The NJW1184 performs click-noiseless characteristics
with VCA circuit.
These functions are controlled by I2C Bus. And the
Slave Address selector is available for using two chips
on same serial bus line. It’s available for two-channel
stereo and or multi-channel audio volume.
s PACKAGE OUTLINE
NJW1184M NJW1184D
s FEATURES
q Operating Voltage
q I2C Bus control
q Slave Address Selector
q Volume (VCA type)
q 2 Auxiliary Port
q Bi-CMOS Technology
q Package Outline
7.5 to 13V
available for using two chips on same serial bus line
0 to –100dB/0.5dBstep, MUTE
DMP20, DIP20
s BLOCK DIAGRAM
IN1
OUT1
IN3
OUT3
VOL1
VOL3
I2C Bus
Interface
VOL2
VOL4
Bias
IN2
OUT2
IN4
OUT4 Vref
CVOL1
CVOL2
CVOL3
CVOL4
AUX0
AUX1
ADR
SCL
SDA
V+
GND
-1-



JRC
JRC

NJW1184 Datasheet Preview

NJW1184 Datasheet

Electronic Volume

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NJW1184 pdf
NJW1184
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sPIN CONFIGURATION
1 IN1
2 OUT1
3 IN2
4 OUT2
5 CVOL1
6 CVOL2
7 ADR
8 SDA
9 SCL
10 GND
IN3 20
OUT3 19
IN4 18
OUT4 17
CVOL3 16
CVOL4 15
AUX1 14
AUX0
Vref
13
12
V+ 11
No. Symbol
Function
1 IN1 Input 1
2
OUT1
Output 1
3 IN2 Input 2
4
OUT2
Output 2
5
CVOL1
DAC Output for Volume 1
6
CVOL2
DAC Output for Volume 2
7
ADR
Slave Address Setting
8
SDA
SDA Data Input (I2C BUS)
9
SCL
SCL Data Input (I2C BUS)
10
GND
GND
No Symbol
Function
11 V+ Power Supply Pin
12 Vref Reference Voltage
13
AUX0
Auxiliary Output0
14
AUX1
Auxiliary Output1
15
CVOL4
DAC Output for Volume 4
16
CVOL3
DAC Output for Volume 3
17
OUT4
Output 4
18 IN4 Input 4
19
OUT3
Output 3
20 IN3 Input 3
-2-


Part Number NJW1184
Description Electronic Volume
Maker JRC
Total Page 14 Pages
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