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PDF NJW1197A Data sheet ( Hoja de datos )
| Número de pieza | NJW1197A | |
| Descripción | 8-CHANNEL ELECTRONIC VOLUME | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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PRELIMINARY
NJW1197A
8-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR
s GENERAL DESCRIPTION
NJW1197A is a n 8- channel el ectronic v olume IC. It
includes I nput s elector, to ne c ontrol, v olume, mute, input
selector ga in c ontrol, v olume output ga in c ontrol an d 5
REC outputs. Each m ode and c onditions ar e s et by the
3-wired serial control data.
NJW1197A improves lo w R esidual O utput No ise
Voltage compared with NJW1197.
s PACKAGE OUTLINE
NJW1197AFC2
s FEATURES
q Operating Voltage
±4.5 to ±7.5V
q 3-Wired Serial Control
Chip Address Select Function
q Input Selector (x 11)
q REC Output (x 5)
Independent Mute function
q Input Selector Gain Control
Gain : 0/-3/-6/-9/-12dB
q Volume Output Gain Control
Gain : 0/+12/+13/+14/+15/+16/+17/+18dB (L,R,C,LS,RS,LB,RBch)
G ain : 0/+22/+23/+24/+25/+26/+27/+28dB (SWch)
Independent Control: L,Rch / Cch / LS,RSch / LB,RBch / SWch
q Volume
0 to -100dB/0.5dBstep, MUTE
q Residual Output Noise Voltage
-114dBV typ. @Volume=-95dB (Output Noise 3)
q Tone Control
0 to ±10dB/1dBstep
q Subwoofer output addition to L, R channel output
q Subwoofer output ON/OFF control
q Bi-CMOS Technology
q Package Outline
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
Input Selector
DCLA1 DCLA2
DCRA1 DCRA2
Input Selector
Gain
Multi-channel
Volume
TONE
TONE
Supply
Voltage
µCOM
Interface
TSW
SW
SW
V+
GND
V-
LATCH
DATA
CLOCK
MUTE
ADR
LOUT
ROUT
COUT
Input Selector
Gain
LSOUT
RSOUT
LBOUT
Volume
Output
Gain
REC Output
Selector
Multi-Channel Input C Multi-Channel Input B
BSW
SSW
RBOUT
SWOUT
–1–
http://www.Datasheet4U.com
Note) This is not a final specification. Some parametric limits are subject to change without notice at any time.
1 page  
PRELIMINARY
NJW1197A
s ELECTRICAL CHARACTERISTICS (Ta=25°C, V+/V-=±7V, RL=47kΩ, Volume=0dB, Gain=0dB, TONE=OFF)
PARAMETER S
YMBOL
TEST CONDITION
MIN. TYP. MAX. UNIT
x Input Selector Gain Control Characteristics
Input Selector Gain Control
Voltage Gain 1
Input Selector Gain Control
Voltage Gain 2
Input Selector Gain Control
Voltage Gain 3
GVINC1
GVINC2
GVINC3
f=1kHz, VIN =2Vrms,
Input Selector Gain = 0dB
f=1kHz, VIN =2Vrms,
Input Selector Gain = -6dB
f=1kHz, VIN =2Vrms,
Input Selector Gain = -12dB
-0.5 0
-6.5 -6.0 -5.5
-12.5 -12.0
+0.5
-11.5
dB
dB
dB
xTone Control Characteristics
Treble Voltage Gain 1
GVTREB1
Treble Voltage Gain 2
GVTREB2
Treble Voltage Gain 3
GVTREB3
Bass Voltage Gain 1
GVBASS1
Bass Voltage Gain 2
GVBASS 2
Bass Voltage Gain 3
GVBASS 3
VIN =100mVrms, f=10kHz
Volume=0dB
Treble=0dB
VIN =100mVrms, f=10kHz
Volume=0dB
Treble=10dB
VIN =100mVrms, f=10kHz
Volume=0dB
Treble=-10dB
VIN =100mVrms, f=100Hz
Volume=0dB
Bass=0dB
VIN =100mVrms, f=100Hz
Volume=0dB
Bass=10dB
VIN =100mVrms, f=100Hz
Volume=0dB
Bass=-10dB
-2.0 0
8.0 10.0
-12.0 -10.0
-2.0 0
8.0 10.0
-12.0 -10.0
2.0 dB
12.0 dB
-8.0 dB
2.0 dB
12.0 dB
-8.0 dB
xVolume Output Gain Control Characteristics (Lch, Rch, Cch, LSch, RSch, LBch, RBch)
Volume Output Gain Control
Voltage Gain 1
Volume Output Gain Control
Voltage Gain 2
GVOUTC1
GVOUTC2
f=1kHz, VIN =100mVrms,
Volume=0dB
Volume Output Gain=+12dB
f=1kHz, VIN =100mVrms,
Volume =0dB
Volume Output Gain =+18 dB
11.0 12.0
17.0 18.0 19.0
13.0
dB
dB
xSWch Volume Output Gain Control Characteristics
SWch V olume Ou tput Ga in
Control Voltage Gain 1
SWch Volume Ou tput Ga in
Control Voltage Gain 2
GSVOUTC1
GSVOUTC2
f=1kHz, VIN =100mVrms,
Volume=0dB
Volume Output Gain=+22dB
f=1kHz, VIN =100mVrms,
Volume =0dB
Volume Output Gain =+28 dB
21.0 22.0 23.0
27.0 28.0 29.0
dB
dB
xLogic Control Characteristics
High Level Input Voltage
VIH
Low Level Input Voltage
VIL
DATA, CLOCK, LATCH, ADR,
MUTE Terminal Input
DATA, CL OCK, L ATCH, ADR ,
MUTE Terminal Input
2.5 -
0-
V+ V
1.5
V
–5–
5 Page 
PRELIMINARY
NJW1197A
x Input Selector Gain Control
Input Selector
SSW
: Gain control for selected signal at the Input Selector.
: Selector for the stereo inputs from 1IN to 11IN
: SW channel output ON/OFF.
D15 D14 D13 D12 D11 D10
D9
D8 D7 D6 D5 D4 D3 D2 D1 D0
Input Selector
Gain Control
Input Selector
SSW
1
0
0
0
*
*
*
*
< Input Selector Gain Control Data >
D15
00
Data
D14
D13
0
Setting
0dB(✴)
0 0 1 -3dB
0 1 0 -6dB
0 1 1 -9dB
1 0 0 -12dB
< Input Selector Data >
D12
00
Data
D11 D10
0
D9
0
Setting
Mute(✴)
00 01
1IN (2ch Input 1)
00 10
2IN (2ch Input 2)
00 11
3IN (2ch Input 3)
01 00
4IN (2ch Input 4)
01 01
5IN (2ch Input 5)
01 10
6IN (2ch Input 6)
01 11
7IN (2ch Input 7)
10 00
8IN (2ch Input 8)
10 01
9IN (2ch Input 9)
10
10
10IN (2ch Input 10)
10
11
11IN (2ch Input 11)
< SSW : SW channel Output ON/OFF >
D8 Setting
0 SW Output ON(✴)
1 SW Output OFF
(✴)Initial Setting
– 11 –
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet NJW1197A.PDF ] | |
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