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UPC1892CT-02 Datasheet

  • UPC1892CT-02

  • MATRIX SURROUND SOUND PROCESSOR WITH SOUND PROCESSOR

  • 42頁

  • NEC   NEC

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DATA SHEET
Bipolar Analog Integrated Circuit
碌
PC1892
MATRIX SURROUND SOUND PROCESSOR
WITH SOUND PROCESSOR
The
碌
PC1892 is a specific IC to reproduce surround sound by using phase shifters and a signal matrix.
The
碌
PC1892 provides wide sound with two speakers, and rich stereophonic sound with three speakers.
In case of stereo signal, the
碌
PC1892 has the movie mode to reproduce sense of immediacy (for movie) and the music mode
to emphasize vocal sound (for music), and it has the simulated mode to make monaural signal into wide deep sound. The modes
can be selected freely by using 2-bit parallel control pins.
In addition to this function reproducing surround sound, the
碌
PC1892 has a general sound processor that has volume, balance,
bass and treble control. So it is capable of reducing installation area.
All functions for processing signals of base band sound are provided on one chip.
FEATURES
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Three surround modes are available: movie, music and simulated
Built in volume and balance control (All control voltage: 0 V to 5 V)
Built in tone control (bass, treble) (All control voltage: 0 V to 5 V)
Built in L+R output for woofer SP
碌
PC1892CT-02: The volume and balance attenuation are bigger than
碌
PC1892CT.
APPLICATION
鈥?TV
ORDERING INFORMATION
Part Number
Package
30-pin plastic shrink DIP (400 mil)
30-pin plastic shrink DIP (400 mil)
碌
PC1892CT
碌
PC1892CT-02
The information in this document is subject to change without notice.
Document No. S10650EJ3V0DS00 (3rd edition)
(Previous No. ID-2902)
Date Published October 1995 P
Printed in Japan
漏
1991, 1992, 1995

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