TDA7402_07 Datasheet, PDF (15/71 Pages) STMicroelectronics – Car radio signal processor

TDA7402
3
Audioprocessor part features:
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
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