GENERAL DESCRIPTION
The NJW1104 is a surround processor including all of the necessary circuits of Dolby Pro Logic Surround decoder and digital delay.
In addition to Dolby Pro Logic Surround function, it performs easily other surround function such as Hall, Live, Disco and others.

FEATURES
● Operating Voltage : VCC=10V(Analog Block), VDD=5V(Digital Block)
● Digital Delay on chip
● Serial Data Interface(3-wire) DATA, REQ, SCK
● Bi-CMOS Technology
● Package Outline QFP80, QFP100

FUNCTION
[Dolby Pro Logic Surround]
● Automatic input balance
● Noise sequencer
● Adaptive matrix
● Center channel control (Wide band, Normal, Phantom, Off)
● Modified B-type noise reduction
● 7kHz low-pass filter
● Dolby 3 stereo mode
● Digital time delay(15,20,25,30msec.)

[Other Surround]
● Surround Signal Selector (L+R, L-R, EXTIN)
● Front mixing control
● Digital time delay (15,20,25,30,40,50,60msec.)

[Other Function]
● Digital auxiliary outputs (AUX1-AUX10)