參數(shù)資料
型號(hào)： UPC1857
廠商： NEC Corp.
英文描述： SOUND CONTROL IC WITH SURROUND AND I2C BUS
中文描述： 聲控集成電路環(huán)繞和I2C總線
文件頁(yè)數(shù)： 1/44頁(yè)
文件大?。?/td> 343K
代理商： UPC1857
The information in this document is subject to change without notice.
BIPOLAR ANALOG INTEGRATED CIRCUIT
μ
PC1857A
SOUND CONTROL IC WITH SURROUND AND I
2
C BUS
1997
Document No. S12453EJ1V1DS00 (1st edition)
Date Published March 1998 N CP(K)
Printed in Japan
DATA SHEET
DESCRIPTION
The
μ
PC1857A is a sound control IC with I
It has functions to control volume, balance, and tone, and a phase shift matrix surround function.
The surround function achieves wide sound expansion using only two front speakers. Three modes can be
selected: movie mode that increases the presence of sound with stereo sound input, music mode emphasizing vocal
music, and simulated mode that gives expansion and left and right sound depth with monaural sound input.
The
μ
PC1857A can perform all control (mode switching, volume control and so on) using I
2
C bus.
2
C.
FEATURES
Volume control function
Balance control function
Tone (bass, treble) control function : Adjustable in 32 steps from +10 to
10 dB
Surround function (gain adjustable) : Three modes (movie, music, and simulated)
Mute function
Mixing function
Output selection function (for two mono channels input)
All parameters can be controlled via I
: Attenuation adjustable from 0 to
80 dB in 64 steps
: The difference in attenuation adjustable from 0 to
80 dB in 64 steps
2
C bus.
APPLICATIONS
TV, PC monitor
ORDERING INFORMATION
Part Number
μ
PC1857ACT
Package
30-pin plastic shrink DIP (400 mil)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPC1857A 制造商:NEC 制造商全稱(chēng):NEC 功能描述:SOUND CONTROL IC WITH SURROUND AND I2C BUS
UPC1857ACT 制造商:NEC 制造商全稱(chēng):NEC 功能描述:SOUND CONTROL IC WITH SURROUND AND I2C BUS
UPC1860GS 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:TV/Video Sync Circuit
UPC1861 制造商:NEC 制造商全稱(chēng):NEC 功能描述:HORIZONTAL LOCK CLOCK GENERATOR
UPC1861GR 制造商:NEC 制造商全稱(chēng):NEC 功能描述:HORIZONTAL LOCK CLOCK GENERATOR
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