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TDA7433 Scheda tecnica(PDF) 6 Page - STMicroelectronics |
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TDA7433 Scheda tecnica(HTML) 6 Page - STMicroelectronics |
6 / 10 page SUBADDRESS (receive mode) MSB LSB FUNCTION X X X I A3A2A1A0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 Input selector Volume Bass, Treble Speaker attenuator LF Speaker attenuator LR Speaker attenuator RF Speaker attenuator RR I = Auto increment X = Not used DATA BYTE SPECIFICATION X = not relevant; set to ”1” during testing Input Selector MSB LSB FUNCTION D7 D6 D5 D4 D3 D2 D1 D0 0 1 0 1 0 0 0 0 1 0 0 1 1 X 0 1 0 1 X IN2 IN1 mono IN no input selected mute (low homic) non-symmetrical bass cut (note 1) symmetrical bass cut extended bass range standard bass range ±14dB For example to select the IN2 input the Data Byte is: X X X X X 0 1 0. An additional direct mute function is included in the Speaker Attenuators. Note 1: Bass cut for very low frequencies. MSB LSB VOLUME D7 D6 D5 D4 D3 D2 D1 D0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 +32dB +16dB 0dB -16dB -32dB -48dB -64dB 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 1 0 1 0 1 0dB -1dB -2dB -15dB Note 2: It is not recommended to use a gain more than 20dB for system performance reason. In general, the max. gain should be limited by software to the maximum value, which is needed for the system. TDA7433 6/10 |
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