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PDF NJW1151 Data sheet ( Hoja de datos )
| Número de pieza | NJW1151 | |
| Descripción | 6-CHANNEL ELECTRONIC VOLUME | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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NJW1151
6-CHANNEL ELECTRONIC VOLUME
s GENERAL DESCRIPTION
www.datasThheeet4NuJ.cWom1151 is a 6-CHANNEL ELECTRONIC VOLUME,
which also includes tone control, balance and trim level
control. The NJW1151 is suitable for multi-channel audio
system, such as AV amplifier, mini stereo component,
speaker system, and others.
All of internal status and variables are controlled by I2C
BUS interface.
s FEATURES
q Operating Voltage
q I2C BUS Interface
q 6-Chnnel Master Volume
q Balance control for L, R-ch
q Trim Level Control for C, SL, SR, SW-ch
q Independent Tone Control (Bass, Treble)
q Bi-CMOS Technology
q Package Outline
+8.0 to +15.0V
0 to –79dB, MUTE
0 to –30dB, MUTE
0 to –20dB
for L, R-ch
SDMP30
s BLOCK DIAGRAM
s PACKAGE OUTLINE
NJW1151M
Lch TONE in
Rch TONE in
Tone Control
Bass/Treble
Lch TONE out
Rch TONE out
Lch in
Rch in
C-ch in
SL-ch in
SR-ch in
SW-ch in
Balance
Control
Master
Volume
Level Trim
Power
Supply
+8 to +15V
I2C BUS
Interface
Lch out
Rch out
C-ch out
SL-ch out
SR-ch out
SW-ch out
-1-
1 page  
sTERMINAL DESCRIPTION
No. SYMBOL
www.datasheet4u.com
FUNCTION
1 VREF Reference voltage
NJW1151
EQUIVALENT CIRCUIT
V+
GND
TERMINAL
VOLTAGE
V+ / 2
2 V+ Power supply voltage
GND
V+
3
VREFC
Reference voltage stabilization
capacitor
V+
50K
50K
GND
Tone control
4 RTIN Right channel input
29 LTIN Left channel input
V+
300
GND
50K
VREF
V+ / 2
V+ / 2
-5-
5 Page 
NJW1151
s DEFINITION OF I2C REGISTER
q I2C BUS FORMAT
S: Starting Term A: Acknowledge Bit
www.datasheet4uM.cSoBm
LSB MSB
P: Ending Term
LSB
S Slave Address A Select Address A
MSB
1bit 8bit
1bit 8bit 1bit
Data
8bit
LSB
A
P
1bit 1bit
q SLAVE ADDRESS
MSB
LSB
1 0 0 0 1 0 0 R/W
R/W=0: Receive Only
R/W=1: No Output Data
q CONTROL REGISTER TABLE
Select
BIT
Address
D7
D6
D5
D4
D3
D2
D1
00H *
Master Volume
01H *
Left channel Balance
02H *
Right channel Balance
03H *
Center Channel Trimmer
04H *
SL Channel Trimmer
05H *
SR Channel Trimmer
06H *
SW Channel Trimmer
07H
Tone (Treble)
Tone (Bass)
08H *
* : Don’t care.
On Power up, the master volume mute is activated.
MUTE
D0
q CONTROL REGISTER DEFAULT VALUE
Select
BIT
Address
D7
D6
D5
D4
D3
D2
D1
D0
00H 0 1 0 1 0 0 0 0
01H 0 0 0 0 0 0 0 0
02H 0 0 0 0 0 0 0 0
03H 0 0 0 0 1 0 1 0
04H 0 0 0 0 1 0 1 0
05H 0 0 0 0 1 0 1 0
06H 0 0 0 0 1 0 1 0
07H 0 0 0 0 0 0 0 0
08H 0 0 0 0 0 0 0 0
- 11 -
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet NJW1151.PDF ] | |
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