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TDA7467 数据表(PDF) 7 Page - STMicroelectronics |
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TDA7467 数据表(HTML) 7 Page - STMicroelectronics |
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7 / 11 page ![]() MSB LSB INPUT ATTENUATION D7 D6 D5 D4 D3 D2 D1 D0 0.5 dB STEPS 000 0 0 0 1 -0.5 010 -1 0 1 1 -1.5 100 -2 1 0 1 -2.5 110 -3 1 1 1 -3.5 4 dB STEPS 0000 0 0001 -4 0010 -8 0011 -12 0100 -16 0101 -20 0110 -24 0111 -28 1 MUTE INPUT ATTENUATION = 0 ∼ -31.5dB SRS MODE D7 D6 D5 D4 D3 D2 D1 D0 MODE X 0 SRS OFF (FIX) X 1 SRS ON 0 1 MONO SRS (MONO 3D) 1 1 STEREO SRS (STEREO 3D) RECOMMENDED TO ATTENUATE -3dB ON ”SRS OFF” ie. MONO SRS (MONO 3D): XXXXXX01 INPUT ATTENUATION SELECTION MSB LSB SUBADDRESS D7 D6 D5 D4 D3 D2 D1 D0 B X X X X X 0 0 MODE B X X X X X 0 1 SRS/SPACE ATTENUATION B X X X X X 1 0 SRS/CENTER ATTENUATION B X X X X X 1 1 INPUT ATTENUATION B = 1: INCREMENTAL BUS; ACTIVE B = 0: NO INCREMENTAL BUS X = INDIFFERENT 0, 1 The first byte (subaddress) DATA BYTES (Address = 80(HEX) if ADDR pin is floating, 82(HEX) if ADDR pin is connected to VS): FUNCTION SELECTION: TDA7467 7/11 |
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