Datasheet > TDA7348_07

TDA7348_07

更新时间： 2024-01-27 19:45:17

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
20页	221K
描述
Digitally controlled audio processor

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中文翻译

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数据手册

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TDA7348_07 数据手册

TDA7348

Digitally controlled audio processor

Features

●

Input multiplexer

–

Three stereo and one mono inputs

Selectable input gain for optimal

adaptation to different sources

●

Volume control in 0.3db steps including gain

up to 20dB

●

Zero crossing mute and direct mute

Pause detector with programmable threshold

SO-28

Soft mute controlled by software or hardware

●

Bass and treble control

Four speaker attenuators

–

Four independent speakers control in

1.25dB steps for balance and fader

facilities

instead of standard bipolar multipliers, very low

distortion and very low noise are obtained Several

new features like softmute, zero-crossing mute

and pause detector are implemented.

–

Independent mute function

●

All functions programmable via serial I²C bus

The Soft Mute function can be activated in two

ways, either via the serial bus (bit D0, Mute Byte),

or directly on pin 22 through an I/O line of the

microcontroller

Description

The TDA7348 is an upgrade of the TDA7318

audioprocessor.

Very low DC stepping is obtained by use of a

BICMOS technology.

Thanks to the used BIPOLAR/CMOS technology,

very low distortion, low noise and DC-stepping

are obtained. Due to a highly linear signal

processing, using CMOS-switching techniques

Order codes

Part number

Package

Packing

TDA7348D

TDA7348D013TR

E-TDA7348D ⁽¹⁾

SO-28

Tube

Tape and reel

Tube

E-TDA7348D013TR ⁽¹⁾

Tape and reel

1. This device is Pb-free Ecopack , see Chapter 5 Package information.

January 2007

Rev 3

1/20

www.st.com

12 3 4 5 6 7...20

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