TDA7416_11 datasheet(13/37 Pages) STMICROELECTRONICS

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TDA7416

Description of the audio processor part

Doc ID 9837 Rev 2

13/37

Description of the audio processor part

4.1

Audio processor features

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Input multiplexer

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1 pseudo differential CDC stereo input, programmable as single-ended input

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3 single-ended stereo inputs

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Input gain adjust 0 to 15 dB with 1 dB steps

–direct mute

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internal offset-cancellation (AutoZero)

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Mixing stage

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mixable mix input to Front speaker outputs

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Input controls +15 to -79 dB with 1 dB steps

–direct mute

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Loudness

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programmable center frequency and filter slope

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19 dB with 1dB steps

–

selectable flat-mode (constant attenuation)

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Volume

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+32 to -79.5 dB with 0.5 dB step resolution

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soft-step control with programmable blend times

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100 dB range

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Equalizer

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seven bands

–2nd order frequency response

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center frequency programmable for lowest and highest filter

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programmable quality factor in four steps for each filter

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-15 to 15 dB range with 1dB resolution

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Spectrum analyzer

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seven bandpass filters

–2nd order frequency response

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programmable quality factor for different visual appearance

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analog output

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controlled by external serial clock

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High-pass

–2nd order butterworth high-pass with programmable cut-off frequency

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selectable flat-mode

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Speaker

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4 independent soft-step speaker controls, +15 to -79 dB with 1 dB steps

–mute

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4 independent programmable mix inputs with 50% mixing ratio

●

Subwoofer

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