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UPC1857ACT: 产品描述SOUND CONTROL IC WITH SURROUND AND I2C BUS; 文件大小220KB，共44页; 制造商NEC ( Renesas ); 官网地址https://www2.renesas.cn/zh-cn/

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UPC1857ACT概述

SOUND CONTROL IC WITH SURROUND AND I2C BUS

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DATA SHEET

BIPOLAR ANALOG INTEGRATED CIRCUIT

PC1857A

SOUND CONTROL IC WITH SURROUND AND I C BUS

DESCRIPTION

The

PC1857A is a sound control IC with I

C bus.

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

PC1857A can perform all control (mode switching, volume control and so on) using I

FEATURES

• Volume control function

• Balance control function

: Attenuation adjustable from 0 to

−80

dB in 64 steps

: The difference in attenuation adjustable from 0 to

−80

dB in 64 steps

• Tone (bass, treble) control function : Adjustable in 32 steps from +10 to

−10

• 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

C bus.

APPLICATIONS

• TV, PC monitor

ORDERING INFORMATION

Part Number

Package

30-pin plastic shrink DIP (400 mil)

PC1857ACT

The information in this document is subject to change without notice.

Document No. S12453EJ1V1DS00 (1st edition)

Date Published March 1998 N CP(K)

Printed in Japan

1997

UPC1857ACT相似产品对比

	UPC1857ACT	UPC1857	UPC1857A
描述	SOUND CONTROL IC WITH SURROUND AND I2C BUS	SOUND CONTROL IC WITH SURROUND AND I2C BUS	SOUND CONTROL IC WITH SURROUND AND I2C BUS

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