TDA7404D Datasheet, PDF (3/26 Pages) STMicroelectronics – CARRADIO-SIGNAL-PROCESSOR

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
Beep
internal Beep with 3 frequencies
781Hz/1.56KHz/1.8KHz
Mixing stage
4 step-mixing-stage with mono or beep as mix-signals
Loudness
second order frequenciy response
programmable center frequency
15 x 1dB steps
selectable low & high frequency boost
selectable flat-mode (constant sttenuation)
Volume
1 dB attenuator
100dB range
soft-step control with programmable times
Bass
2nd order frequency response
center frequency programmable in 4 steps
60Hz/80Hz/100Hz/200Hz
Q programmable 1.0/1.25/1.5/2.0
DC gain programmable
+15dB x 1dB steps
Treble
2nd order frequency response
center frequency programmable in 4 steps
10KHz/12.5KHz/15KHz/17.5KHz
+15dB x 1dB steps
Speaker
4 independent speaker controls in 1dB steps
control range 50dB with mute
Zero crossing attenuate
Subwoofer
Stereo output
attenuator range 50dB
Mute Functions
direct mute
digitally controlled Soft Mute with 4 programmable mute-times
TDA7404D
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