TDA7402 Datasheet, PDF (4/59 Pages) STMicroelectronics – CARRADIO SIGNAL PROCESSOR

TDA7402
Audioprocessor Part Features:
Input Multiplexer 2 fully differential CD stereo inputs with programmable attenuation
1 single-ended stereo input
2 differential mono input
1 single-ended mono input
In-Gain 0..15dB, 1dB steps
internal Offset-cancellation (AutoZero)
separate second source-selector
Beep
internal Beep with 4 frequencies
Mixing stage
Beep, Phone and Navigation mixable to all speaker-outputs
Loudness
programmable center frequency and frequency response
15 x 1dB steps
selectable flat-mode (constant attenuation)
Volume
0.5dB attenuator
100dB range
soft-step control with programmable times
Compander
dynamic range compression for use with CD
2:1 compression rate
programmable max. gain
Bass
2nd order frequency response
center frequency programmable in 8 steps
DC gain programmable
+ 15 x 1dB steps
Treble
2nd order frequency response
center frequency programmable in 4 steps
+15 x 1dB steps
Voice Bandpass 2nd order butterworth highpass filter with programmable cut-off frequency
2nd order butterworth lowpass filter with programmable cut-off frequency
selectable flat-mode
Speaker
4 independent speaker controls in 1dB steps
control range 95dB
separate Mute
Subwoofer
single-ended stereo output
independent stereo level controls in 1dB steps
control range 95dB
separate Mute
Mute Functions direct mute
digitally controlled SoftMute with 4 programmable mute-times
Pause Detector programmable threshold
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