TDA7404D - ST Microelectronics

TDA7404D CARRADIO-SIGNAL-PROCESSOR

The TDA7404D is a high performance signal processor specificall designed for car radio applications. The device includes a high performance audioproBLOCK DIAGRAM ACOUTR ACOUTL MIX DiffinL Gain/Auto Zero Mixing Stage Loudness Soft Mute Diffgnd DiffinR SE1L SE1R Input Multiplexer SE2L SE2R SE3L SE3R Mono+ Mono Beep Digital Control I2C-Bus Mono Fader Mono Fade.

Features

Input Multiplexer 1 pseudo-differential stereo input (selectable single end stereo input) 3 single-end stereo inputs 1 differential mono input In-Gain 0..14dB, 1dB steps, 14..20dB, 2dB steps Auto Zero internal Beep with 3 frequencies 781Hz/1.56KHz/1.8KHz 4 step-mixing-stage with mono or beep as mix-signals second order frequenciy response programmable center frequency 15 x 1dB steps selectable low & high frequency boost selectable flat-mode (constant sttenuation) 1 dB attenuator 100dB range soft-step control with programmable times 2nd order frequency response center frequency programmable i.