TDA7719集成电路（IC）的音频专用规格书PDF中文资料

TDA7719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TDA7719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。

描述 Description

The TDA7719 is a high performance signal processor specifically designed for car radio applications. The device includes a high performance audioprocessor with fully integrated audio filters and new Soft Step architecture. The digital control allows programming in a wide range of filter characteristics. By the use of BCMOS process and liner signal processing low distortion and low noise are obtained.

特性 Features

■ Input multiplexer

– Multiple input configuration for different application

■ Loudness

– 2nd order frequency response

– Programmable center frequency

– 15 dB with 1 dB steps

– Selectable high frequency boost

– Selectable flat-mode

■ Volume

– +15 dB to -15 dB with 1 dB step resolution

– Soft-step control with programmable blend times

■ Bass

– 2nd order frequency response

– Center frequency programmable in 4 steps

– Q programmable 1.0/1.25/1.5/2.0

– DC gain programmable

– -15 to 15 dB range with 1 dB resolution

■ Middle

– 2nd order frequency response

– Center frequency programmable in 4 steps

– Q programmable 0.5/0.75/1.0/1.25

– -15 to 15dB range with 1dB resolution

■ Treble

– 2nd order frequency response

– Center frequency programmable in 4 steps

– -15 to 15dB range with 1dB resolution

■ Speaker

– 4 independent soft step speaker controls

– 0dB to -79dB with 1dB steps

– Direct mute

■ Subwoofer

– 2nd order low pass filter with programmable cut off frequency

– 2 independent soft step level control,

■ Mute functions

– Direct mute

– Digitally controlled SoftMute with 4

programmable mute-times

■ Offset detection

– Offset voltage detection circuit for on-board

power amplifier failure diagnosis

■ Level meter

– Provide rectified level voltage of main

source signal (before loudness)

■ Rear seat selector

– Full source selector for rear seat output

■ Mixing selector