TDA7402(2007) Просмотр технического описания (PDF) - STMicroelectronics

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TDA7402
(Rev.:2007)

Car Radio Signal Processor

STMicroelectronics 

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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