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TDA7429S 数据表(PDF) 11 Page - STMicroelectronics |
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TDA7429S 数据表(HTML) 11 Page - STMicroelectronics |
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11 / 20 page ![]() MSB LSB INPUT ATTENUATION D7 D6 D5 D4 D3 D2 D1 D0 0.5 dB STEPS X 000 0 X 0 0 1 -0.5 X 010 -1 X 0 1 1 -1.5 X 100 -2 X 1 0 1 -2.5 X 110 -3 X 1 1 1 -3.5 4 dB STEPS X 000 0 X 001 -4 X 010 -8 X 011 -12 X 100 -16 X 101 -20 X 110 -24 X 111 -28 INPUT ATTENUATION = 0 ∼ -31.5dB D7 D6 D5 D4 D3 D2 D1 D0 REAR SWITCH X0 REARIN, REAROUT PIN ACTIVE X1 NO REARIN, REAROUT PIN INPUT ATTENUATION SELECTION MSB LSB SUBADDRESS D7 D6 D5 D4 D3 D2 D1 D0 B X X X 0 0 0 0 INPUT ATTENUATION B X X X 0 0 0 1 SURROUND & OUT & EFFECT CONTROL B X X X 0 0 1 0 PHASE RESISTOR B X X X 0 0 1 1 BASS & NATURAL BASE B X X X 0 1 0 0 MIDDLE & TREBLE B X X X 0 1 0 1 SPEAKER ATTENUATION ”L” B X X X 0 1 1 0 SPEAKER ATTENUATION ”R” B X X X 0 1 1 1 AUX ATTENUATION ”L” B X X X 1 0 0 0 AUX ATTENUATION”R” B X X X 1 0 0 1 INPUT MULTIPLEXER, & AUX OUT B = 1 incremental bus; active B = 0 no incremental bus; X = indifferent 0,1 The first byte (subaddress) DATA BYTES Address = 80(HEX) FUNCTION SELECTION: TDA7429S - TDA7429T 11/20 |
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