NJU72340A Datasheet, PDF (1/14 Pages) New Japan Radio – 8-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR

NJU72340A
8-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR
Q GENERAL DESCRIPTION
The NJU72340A is a 8-channel electronic volume with
Input Selector. It includes 8-in 2-out audio selector, REC
Output and Multi-channel inputs.
The NJU72340A performs low noise and low distortion
characteristics with resistance ladder circuit.
All of functions are controlled via two-wired serial bus.
The NJU72340A is suitable for multi-channel audio
system, such as AV amplifier, DVD receiver, and others.
Q PACKAGE OUTLINE
NJU72340AFH3
Q FEATURES
O Operating Voltage
O 2-Wired Serial Control
O 8-input 2-output selector
O Multi-Channel input (8ch x 1)
O Input Selector Gain Control
O Volume
O CMOS Technology
O Package Outline
±4.5 to ±7.5V
stereo : 7-input, monaural : 1-input
*LBch x2, RBch x2
Gain : 0,-5,-6,-7,-9,-11,-12,-13dB
+31.5 ~ -95dB/0.5dBstep, MUTE
LQFP52-H3
Q BLOCK DIAGRAM
Stereo Lin
(×7)
Mono in
(×1)
Stereo Rin
(×7)
Control Logic
DataClock
Multi-Cin
REC _L
Multi-LSin
Lout for ADC
Multi-LBin
Multi-Lin
Input Selector Gain:
0,-5,-6,-7,-9,-11,-12,-13dB
Multi-Rin Multi-RBin
Rout
for ADC
REC _R
Multi-RSin
Multi-SWin
Main Volume:
+31.5 to -95dB/0.5dB step
Cout
LSout
LBout
Lout
Rout
RBout
RBout
SWout
Ver 2.2E
–1–