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PDF NJW1184 Data sheet ( Hoja de datos )
| Número de pieza | NJW1184 | |
| Descripción | Electronic Volume | |
| Fabricantes | JRC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJW1184 (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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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-
1 page  
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! TERMINAL DESCRIPTION
PIN SYMBOL
NO.
FUNCTION
1 IN1
3 IN2
20 IN3
18 IN4
Input 1
Input 2
Input 3
Input 4
NJW1184
EQUIVALENT CIRCUIT
V+
20kΩ
TERMINAL
DC
VOLTAGE
V+/2
2 OUT1 Output 1
4 OUT2 Output 2
19 OUT3 Output 3
17 OUT4 Output 4
V+
50Ω
FB V+/2
5 CVOL1 DAC Output for Volume 1
6 CVOL2 DAC Output for Volume 2
16 CVOL3 DAC Output for Volume 3
15 CVOL4 DAC Output for Volume 4
V+
8kΩ
V+/2 – 0.7V
(0dB setting)
7 ADR Slave Address Setting
V+
4kΩ
12kΩ
82(h)
VADR> V+/2
80(h)
VADR< 1.0V
-5-
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! TYPICAL CHARACTERISTICS
Supply Current vs Tem parature
V+=9V , Vin=No Signal , Volume=0dB
10
9
8
7
6
5
4
3
2
1
0
-50
-25
0 25 50 75
Temparature [℃]
100 125
Supply Current vs Supply Voltage
Vin=No Signal , Volume=0dB
10
9
8
7
6
5 Ta=85℃
4 25℃
3
2 -40℃
1
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Supply Voltage [V]
Out Noise vs Tem parature
V+=9V, Rg=600Ω, A-Weighting
0
-20
-40
-60
-80
-100
-120
-50
-25
vol=0dB
vol=mute
0 25 50 75
Temparature [℃]
100
125
NJW1184
Reference Voltage vs Tem parature
V+=9V , Vin=No Signal , Volume=0dB
10
9
8
7
6
5
4
3
2
1
0
-50
-25
0 25 50 75
Temparature [℃]
100 125
Reference Voltage vs Supply Voltage
Vin=No Signal , Volume=0dB
12
10
8
6
Ta=85,25,-40℃
4
2
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Supply Voltage[V]
Mute Level vs Tem parature
V+=9V, Rg=600Ω,Vin=1Vrms , A-Weighting
0
-20
-40
-60
-80
-100
-120
-50
-25
0 25 50 75
Temparature [℃]
100 125
- 11 -
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet NJW1184.PDF ] | |
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