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TDA7404_08 Datasheet, PDF (6/35 Pages) STMicroelectronics – Car radio signal processor | |||
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Detailed features
1
Detailed features
â Input multiplexer
â 1 pseudo-differential stereo input (selectable single end stereo input)
â 3 single-end stereo inputs
â 1 differential mono input
â In-Gain 0..14 dB, 1 dB steps, 14..20 dB, 2 dB steps
â Auto Zero
â Beep
â internal beep with 3 frequencies
â 781 Hz/1.56 kHz/1.8 kHz
â Mixing stage
â 4 step-mixing-stage with mono or beep as mix-signals
â Loudness
â second order frequency response
â programmable center frequency
â 15 x 1 dB steps
â selectable low and high frequency boost
â selectable flat-mode (constant attenuation)
â Volume
â 1 dB attenuator
â 100 dB range
â soft-step control with programmable times
â Bass
â 2nd order frequency response
â center frequency programmable in 4 steps
â 60 Hz / 80 Hz / 100 Hz / 200 Hz
â Q programmable 1.0/1.25/1.5/2.0
â DC gain programmable
â +15 dB x 1 dB steps
â Treble
â 2nd order frequency response
â center frequency programmable in 4 steps
â 10 kHz / 12.5 kHz / 15 kHz / 17.5 kHz
â +15 dB x 1 dB steps
â Speaker
â 4 independent speaker controls in 1 dB steps
â control range 50 dB with mute
â Zero crossing attenuate
â Subwoofer
â Stereo output
â attenuator range 50 dB
â Mute functions
â direct mute
â digitally controlled Soft Mute with 4 programmable mute-times
TDA7404
6/35
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