TDA7715中文资料3 band car audio processor数据手册ST规格书

描述 Description

The TDA7715 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 soft-step 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
• Soft-step 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
• Soft-step 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
• Soft-step 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
• Soft-step control with programmable blend times
• High pass filter
• 2nd order frequency response
• Programmable cut off frequency (50/60/80/100/120/150/180/220 Hz)
• Low pass filter
• 2nd order low pass filter
• Programmable cut off frequency
• (50 Hz/60 Hz/80 Hz/100 Hz/120 Hz)
• Speaker
• 6 independent soft-step speaker controls
• +23 dB to –79 dB with 1 dB steps
• Soft-step control with programmable blend times
• Output driver
• Four dedicated outputs for an internal (on-board) power amplifier.
• Six 3.55 VRMS line-driver outputs for an external (remote) power amplifier
• Mute functions
• Direct mute
• Main/Sub channel: digitally controlled soft-mute with 4 programmable mute-times
• (0.5 ms/4 ms/8 ms/16 ms)
• Speaker: digitally controlled soft-mute with 4 programmable mute-times (4 ms/8 ms/32 ms/64 ms)
• Spectrum analyzer
• 7-band, fully integrated 2nd order band-pass filter with programmable filter quality for different visual behavior
• Selectable In-gain 0/2/4/6dB
• 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

TDA7715属于集成电路（IC）的音频专用。由制造生产的TDA7715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。