TDA7406T datasheet(4/49 Pages) STMICROELECTRONICS

4 / 49 page

TDA7406T

4/49

AUDIOPROCESSOR PART

Features:

Input multiplexer

– Pseudo differential CDC stereo input, programmable as single-ended input.

– 3 single-ended stereo inputs.

– 4single-ended mono inputs.

– Input gain adjust 0...15dB in 1dB steps.

– Internal offset-cancellation (autozero).

Beep

– Internal beep generator with 4 different frequencies.

Mixing stage

– Beep, Phone- and Navi-Input mixable to all speaker outputs.

– TIM or tuner (FM/AM) programmable as fourth mixing source.

– Level control range of 95dB (+15...-79db).

Loudness

– Loudness programmable center frequency and filter slope.

– 0...19dB attenuation in 1dB steps.

– selectable flat-mode (constant attenuation).

Volume

– Gain/Attenuation with 0.5dB step resolution.

– soft-step control with programmable blend times.

– 110dB range (+32...-79db).

Equalizer

– Seven bands equalizer with 2nd order frequency response switch-capacitors filters.

– Center frequency programmable for lowest and highest filter.

– Programmable quality factor in four steps for each filter.

– ±15dB range with 1dB steps.

Spectrum analyzer

– seven bandpass 2nd order frequency response switch-capacitors filters

– Programmable quality factor for different visual appearance

– Analog output

– Controlled by external serial clock

High pass Filter

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

– Selectable flat-mode

Speakers

– 4 independent speaker controls with separate mute.

– Control range 95dB (+15...-79dB) in 1dB steps with soft step.

– 4 independent programmable mix inputs with 50% mixing ratio

Subwoofer

– Single-ended monaural output

– control range 95dB (+15...-79dB) in 1dB steps with soft step.

– separate mute

Mute functions

– direct mute

– digitally controlled Soft mute with 4 programmable mute-time

TDA7406T 数据表(PDF) 4 Page - STMicroelectronics

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