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TDA7440 数据表(PDF) 10 Page - STMicroelectronics |
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TDA7440 数据表(HTML) 10 Page - STMicroelectronics |
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10 / 17 page ![]() TDA7440D 10/17 5.3 DATA BYTES (continued) Table 10. INPUT GAIN SELECTION GAIN = 0 to 30dB Table 11. VOLUME SELECTION VOLUME = 0 to 47dB/MUTE MSB LSB INPUT GAIN D7 D6 D5 D4 D3 D2 D1 D0 2dB STEPS 0 000 0dB 0 001 2dB 0 010 4dB 0 011 6dB 0 100 8dB 0 1 0 1 10dB 0 1 1 0 12dB 0 1 1 1 14dB 1 0 0 0 16dB 1 0 0 1 18dB 1 0 1 0 20dB 1 0 1 1 22dB 1 1 0 0 24dB 1 1 0 1 26dB 1 1 1 0 28dB 1 1 1 1 30dB MSB LSB VOLUME D7 D6 D5 D4 D3 D2 D1 D0 1dB STEPS 000 0dB 001 -1dB 010 -2dB 011 -3dB 100 -4dB 101 -5dB 110 -6dB 111 -7dB 0 000 0dB 0 001 -8dB 0 010 -16dB 0 011 -24dB 0 100 -32dB 0 101 -40dB X 111 X X X MUTE |
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