TDA7718N数据手册集成电路（IC）的音频专用规格书PDF

描述 Description

The TDA7718N 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.

特性 Features

• Offset detectionOffset voltage detection circuit for on-board power amplifier failure diagnosis
• Mute functionsDirect muteDigitally controlled SoftMute with 4 programmable mute-times (0.48 ms/0.96 ms/8 ms/16 ms)
• Speaker4 independent soft step speaker controls+15 dB to -79 dB with 1 dB stepsDirect mute
• Treble2nd order frequency response (10 kHz / 12.5 kHz / 15 kHz / 17.5 kHz)Center frequency programmable in 4 steps (10 kHz / 12.5 kHz / 15 kHz / 17.5 kHz)-15 dB to 15 dB with 1 dB resolution
• Input multiplexerQD1: quasi-differential stereo inputsSE1: stereo single-ended inputSE2: stereo single-ended inputSE3: stereo single-ended inputFD1 / SE4+SE5: 1 full-differential input or 2 stereo single-ended inputs
• Volume+23 dB to -31 dB with 1 dB step resolutionSoft-step control with programmable blend times
• Loudness2nd order frequency responseProgrammable center frequency (400 Hz / 800 Hz / 2400 Hz)15 dB with 1 dB stepsSelectable high frequency boostSelectable flat-mode (constant attenuation)
• Middle2nd order frequency responseCenter frequency programmable in 4 steps (500 Hz / 1 kHz / 1.5 kHz / 2.5 kHz)Q programmable 0.75/1.0/1.25-15 dB to 15 dB range with 1 dB resolution
• Subwoofer2nd order low pass filter with programmable cut off frequency (55 Hz / 85 Hz / 120 Hz / 160 Hz)2 independent soft step level control, +15 dB to –79 dB with 1 dB steps
• Bass2nd order frequency responseCenter frequency programmable in 4 steps (60 Hz / 80 Hz / 100 Hz / 200 Hz)Q programmable 1.0/1.25/1.5/2.0DC gain programmable-15 dB to 15 dB range with 1 dB resolution

简介

TDA7718N属于集成电路（IC）的音频专用。由制造生产的TDA7718N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。