TDA7719

TDA7719 3 band car audio processor 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 TSSOP28 – 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 Description The TDA7719 is a high performance signal processor spec...