TDA7438D集成电路（IC）的音频专用规格书PDF中文资料

TDA7438D属于集成电路（IC）的音频专用。由意法半导体集团制造生产的TDA7438D音频专用音频专用的半导体器件专为音频信号的滤波、驱动、放大、转换和接口而设计。特征包括功能、应用、通道数、接口、电压和规格。应用包括音频系统、汽车音频、消费类音频、乐器、专业音频、通信系统、电信系统、数字音频、驱动器、前置放大器、信号混合、信号处理、语音触发器解决方案和 10 Base-T。

DESCRIPTION

The TDA7438 is a volume tone (bass, middle and treble) balance (Left/Right) processor for quality audio applications in car-radio and Hi-Fi systems.

Selectable input gain is provided. Control of all the functions is accomplished by serial bus.

The AC signal setting is obtained by resistor net works and switches combined with operational amplifiers.

Thanks to the used BIPOLAR/CMOS Technology, Low Distortion, Low Noise and DC stepping are obtained.

FEATURES

■ INPUT MULTIPLEXER

– 3 STEREO INPUTS

– SELECTABLE INPUT GAIN FOR OPTIMAL

ADAPTATION TO DIFFERENT SOURCES

■ ONE STEREO OUTPUT

■ TREBLE, MIDDLE AND BASS CONTROL IN

2.0dB STEPS

■ VOLUME CONTROL IN 1.0dB STEPS

■ TWO SPEAKER ATTENUATORS:

– TWO INDEPENDENT SPEAKER CONTROL

IN 1.0dB STEPS FOR BALANCE FACILITY

– -INDEPENDENT MUTE FUNCTION

■ ALL FUNCTION ARE PROGRAMMABLE VIA

SERIAL BUS