TDA7416 datasheet(4/27 Pages) STMICROELECTRONICS

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TDA7416

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FEATURES

Input multiplexer

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

– 3 single-ended stereo inputs

– Input gain adjust 0 to 15dB with 1dB steps

– direct mute

– internal offset-cancellation (autozero)

Mixing stage

– mixable mix input to Front speaker outputs

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

– direct mute

Loudness

– programmable center frequency and filter slope

– 19dB with 1dB steps

– selectable flat-mode (constant attenuation)

Volume

– +32 to -79.5dB with 0.5dB step resolution

– soft-step control with programmable blend times

– 100dB range

Equalizer

– seven bands

– 2nd order frequency response

– center frequency programmable for lowest and highest filter

– programmable quality factor in four steps for each filter

– -15 to 15dB range with 1dB resolution

Spectrum analyzer

– seven bandpass filters

– 2nd order frequency response

– programmable quality factor for different visual appearance

– analog output

– controlled by external serial clock

High pass

– 2nd order butterworth highpass with programmable cut-off frequency

– selectable flat-mode

Speaker

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

–mute

– 4 independent programmable mix inputs with 50% mixing ratio

Subwoofer

– single-ended monaural output

– independent soft step level control +15 to -79dB with 1dB steps

Mute functions

– direct mute

– digitally controlled SoftMute with 3 programmable mute-times

Effect

– Gain effect or high pass effect fixed external components

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