TDA7416 Datasheet, PDF (4/27 Pages) STMicroelectronics – CARRADIO SIGNAL PROCESSOR

TDA7416
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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