NJW1157 Datasheet, PDF (1/22 Pages) New Japan Radio – 8-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR

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
SW
TSW
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
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