TDA7418集成電路（IC）的音頻專用規(guī)格書PDF中文資料

TDA7418屬于集成電路（IC）的音頻專用。由意法半導(dǎo)體集團(tuán)制造生產(chǎn)的TDA7418音頻專用音頻專用的半導(dǎo)體器件專為音頻信號(hào)的濾波、驅(qū)動(dòng)、放大、轉(zhuǎn)換和接口而設(shè)計(jì)。特征包括功能、應(yīng)用、通道數(shù)、接口、電壓和規(guī)格。應(yīng)用包括音頻系統(tǒng)、汽車音頻、消費(fèi)類音頻、樂(lè)器、專業(yè)音頻、通信系統(tǒng)、電信系統(tǒng)、數(shù)字音頻、驅(qū)動(dòng)器、前置放大器、信號(hào)混合、信號(hào)處理、語(yǔ)音觸發(fā)器解決方案和 10 Base-T。

Description

The TDA7418 includes a high performance audio procesor with fully integrated 3-Band filters to processs signals at audible frequencies. The digital control allows a full programming of the audioprocessor and filters characteristics..

Features

■ Input Multiplexer

– PD/SE4: pseudo differential stereo input, programmable as single-ended input

– SE1: stereo single-end input

– SE2: stereo single-end input

– SE3: stereo single-end input

– input gain adjust from 0 to 15dB with 1dB steps

– internal offset-cancellation (AutoZero)

■ Loudness

– Second order frequency response

– programmable center frequency(400Hz/800Hz/2400Hz)

– 15dB with 1dB steps

– selectable low & high frequency boost

– selectable flat-mode (constant attenuation)

■ Volume

– +15dB to -79dB with 1dB step resolution

– soft-step control with programmable blend times

■ Bass

– second order frequency response

– center frequency programmable in 4 steps (60Hz/80Hz/100Hz/200Hz)

– Q programmable 1.0/1.25/1.5/2.0

– DC gain programmable

– -15 to 15dB range with 1dB resolution

■ Middle

– second order frequency response

– center frequency programmable in 4 steps (500Hz/1KHz/1.5KHz/2.5KHz)

– Q programmable 0.5/0.75/1.0/1.25

– -15 to 15dB range with 1dB resolution

■ Treble

– second order frequency response

– center frequency programmable in 4 steps (10KHz/12.5KHz/15KHz/17.5KHz)

– -15 to 15dB range with 1dB resolution

■ Speaker

– 4 independent soft step speaker controls, +15dB to -79dB with 1dB steps direct mute

■ Subwoofer

– single-ended mono output

– independent soft step level control, +15dB to -79dB with 1dB steps

■ Mute Functions

– direct mute

– digitally controlled SoftMute with 3 programmable mute times(0.48ms/0.96ms/123ms)