TDA7715LV数据手册集成电路（IC）的音频专用规格书PDF

描述 Description

The TDA7715LV is a high performance signal processor specifically designed for car radio applications.

The device includes a high performance audio processor with fully integrated audio filters and new SoftStep architecture. The digital control allows programming in a wide range of filter characteristics.

特性 Features

• Input multiplexer
•QD0 to QD3: quasi-differential stereo input
•SE0 to SE4: stereo single-ended input
• Loudness
•2nd order frequency response
•Programmable center frequency (400 Hz/800 Hz/2400 Hz)
•15 dB with 1 dB steps
•Selectable high frequency boost
•Selectable flat-mode (constant attenuation)
• Volume
•+23 dB to –23 dB with 1 dB step resolution
•SoftStep control with programmable blend times
• Bass
•2nd order frequency response
•Programmable center frequency (60/70/80/100//110/120/130/150 Hz)
•Q programmable 1.0/1.25/1.5/2.0
•DC gain programmable
•-15 to 15 dB range with 1 dB resolution
•SoftStep control with programmable blend times
• Middle
•2nd order frequency response
•Programmable center frequency (500 Hz/1 kHz/1.5 kHz/2 kHz)
•Q programmable 1.0/2.0
•-15 to 15 dB range with 1 dB resolution
•SoftStep control with programmable blend times
• Treble
•2nd order frequency response
•Center frequency programmable in 4 steps (10/12.5 /15/17.5 kHz)
•-15 to 15 dB range with 1 dB resolution
•SoftStep control with programmable blend times
• High pass filter
•Two stereo-HPF for output0 and output1
•2nd order frequency response
•Programmable cut off frequency (50/60/80/100/120/150/180/220 Hz)
• Low pass filter
•One mono-LPF for output2
•2nd order low pass filter
•Programmable cut off frequency
•(50 Hz/60 Hz/80 Hz/100 Hz/120 Hz)
• Speaker
•6 independent SoftStep speaker controls
•+23 dB to –79 dB with 1 dB steps
•SoftStep control with programmable blend times
• Output driver
•Four dedicated outputs for an internal (on-board) power amplifier. (share output driver with line driver)
•Six line-driver outputs for an external (remote) power amplifier
• Mute functions
•Direct mute
•Main/Sub channel: digitally controlled SoftMute with 4 programmable mute-times (0.5 ms/4 ms/8 ms/16 ms)
•Speaker: digitally controlled SoftMute with 4 programmable mute-times (4 ms/8 ms/32 ms/64 ms)
• AC coupling
•Three AC-coupling input
•One AC-coupling output
• Offset detection
•Offset voltage detection circuit for on-board power amplifier failure diagnosis

简介

TDA7715LV属于集成电路（IC）的音频专用。由制造生产的TDA7715LV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。