TDA7402 datasheet(15/71 Pages) STMICROELECTRONICS

15 / 71 page

TDA7402

Audioprocessor part features:

15/71

Audioprocessor part features:

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Input multiplexer

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2 fully differential CD stereo inputs with programmable attenuation

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1 single ended stereo input

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2 differential mono input

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1 single ended mono input

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In-gain 0..15dB, 1dB steps

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internal offset cancellation (AutoZero)

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separate second source selector

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Beep

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internal beep with 4 frequencies

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Mixing stage

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Beep, phone and navigation mixable to all speaker outputs

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Loudness

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programmable center frequency and frequency response

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15 x 1dB steps

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selectable flat-mode (constant attenuation)

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Volume

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0.5dB attenuator

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100dB range

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soft-step control with programmable times

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Compander

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dynamic range compression for use with CD

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2:1 compression rate

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programmable max. gain

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Bass

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2nd order frequency response

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center frequency programmable in 8 steps

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DC gain programmable

–+ 15 x 1dB steps

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Treble

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2nd order frequency response

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center frequency programmable in 4 steps

–+15 x 1dB steps

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Voice Bandpass

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2nd order butterworth highpass filter with programmable cut off frequency

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2nd order butterworth lowpass filter with programmable cut off frequency

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selectable flat mode

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