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PDF NJW1157 Data sheet ( Hoja de datos )
| Número de pieza | NJW1157 | |
| Descripción | 8-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJW1157 (archivo pdf) en la parte inferior de esta página. Total 22 Páginas | ||
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NJW1157
8-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR
s GENERAL DESCRIPTION
NJW1157 is an eight channel electronic volume IC.
It includes Input selector, tone control, volume, mute,
input selector gain control, volume output gain control
and 5 REC outputs. It’s suitable for multi-channel
audio equipments such as AV receivers and DVD
receivers. These functions are controlled by
three-wired serial data.
s PACKAGE OUTLINE
NJW1157FC2
s FEATURES
q Operating Voltage
q Three-Wired Serial Data Control
q Input Selector (x 12)
q REC Output (x 5) with Selector
q Input Selector Gain Control
q Volume Output Gain Control
q Volume
q Tone Control
q Subwoofer output addition to L, R channel output
q Subwoofer output ON/OFF control
q Bi-CMOS Technology
q Package Outline
±4.5 to ±7.5V
Gain : 0/-3/-6/-9/-12dB
Gain : 0/+3/+6/+9/+12/+15/+18dB
0 to -100dB/1dBstep, MUTE
0 to ±10dB/1dBstep
QFP100 – C2
s BLOCK DIAGRAM
LAIN
RAIN
CAIN
LSAIN
RSAIN
LBAIN
RBAIN
SWAIN
L1IN
R1IN
L2IN
R2IN
L3IN
R3IN
L4IN
R4IN
L5IN
R5IN
L6IN
R6IN
L7IN
R7IN
L8IN
R8IN
L9IN
R9IN
L10IN
R10IN
L11IN
R11IN
L12IN
R12IN
DCLA1 DCLA2
DCRA1 DCRA2
Att Gain
Att Gain
Multi-channel
Volume
TONE
TONE
Supply
Voltage
µCOM
Interface
TSW
SW
SW
V+
GND
V-
LATCH
DATA
CLOCK
LOUT
ROUT
COUT
LSOUT
RSOUT
LBOUT
Amp
Gain
BSW
SSW
RBOUT
SWOUT
Input Selector
REC Out Selector
Multi-Channel Input B
–1–
1 page  
! TERMINAL DESCRIPTION
PIN SYMBOL
NO.
FUNCTION
1 LOUT Lch Output
2 ROUT Rch Output
3 COUT Cch Output
4 LSOUT LSch Output
5 RSOUT RSch Output
6 LBOUT LBch Output
7 RBOUT RBch Output
8 SWOUT SWch Output
NJW1157
EQUIVALENT CIRCUIT
V+
TERMINAL
DC
VOLTAGE
V- (SUB)
0
V+
34.2K
0
V- (SUB)
9 DC_L1 Lch Bass filter DC cut capacitor output terminal
13 DC_R1 Rch Bass filter DC cut capacitor output terminal
10 DC_L2 Lch Bass filter DC cut capacitor input terminal
14 DC_R2 Rch Bass filter DC cut capacitor input terminal
V+
10 40
0
V- (SUB)
25K
V+
25K
7K
10.25K
V- (SUB)
0
–5–
5 Page 
NJW1157
! CONTROL DATA
NJW1157 is controlled by 16-bits serial data.
MSB
LSB
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Data
Select Address
Chip Address
Multi channel
Input Signal 1
Differential
Output
Input Selector
Gain Control
REC A
REC B
RECSW
Lch
Rch
Cch
LSch
RSch
LBch
RBch
SWch
Volume Control 1
Volume Control 2
Volume Control 3
Volume Control 4
Volume Control 5
Volume Control 6
Volume Control 7
Volume Control 8
Lch
Rch
Cch
LSch
RSch
LBch
RBch
SWch
Tone Control
Tone Control
BSW
TSW
TSW
SSW
Multi Channel
Input Signal 2
MSB
LSB
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Volume Control 1
Don’t
Care
0
0
0
0
0
1
0
1
Volume Control 2
Don’t
Care
0
0
0
1
0
1
0
1
Volume Control 3
Don’t
Care
0
0
1
0
0
1
0
1
Volume Control 4
Don’t
Care
0
0
1
1
0
1
0
1
Volume Control 5
Don’t
Care
0
1
0
0
0
1
0
1
Volume Control 6
Don’t
Care
0
1
0
1
0
1
0
1
Volume Control 7
Don’t
Care
0
1
1
0
0
1
0
1
Volume Control 8
Don’t
Care
0
1
1
1
0
1
0
1
Input Selector
Gain Control
Volume Output
Gain Control
BSW SSW
1
0
0
0
0
1
0
1
TC/B
Tone Control Treble
TSW
Don’t
Care
Don’t
Care
1
0
0
1
0
1
0
1
BC/B
Tone Control Bass
Don’t
Care
Don’t
Care
Don’t
Care
1
0
1
0
0
1
0
1
Input Selector
Multi Channel
Selector
Don’t Care
10110101
REC B Selector
REC A Selector
11000101
– 11 –
11 Page | ||
| Páginas | Total 22 Páginas | |
| PDF Descargar | [ Datasheet NJW1157.PDF ] | |
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