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LM4930 bảng dữ liệu(PDF) 7 Page - Texas Instruments |
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LM4930 bảng dữ liệu(HTML) 7 Page - Texas Instruments |
7 / 41 page LM4930 www.ti.com SNAS212B – MAY 2004 – REVISED SEPTEMBER 2004 Table 5. GAIN CONFIG REGISTERS(1) GAINCONFIG (XX10010). (Set = logic 1, Clear = logic 0) BIT 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 RESET 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Address Register Description 4:0 LOUDSPKR_GAIN Programs the gain of the loudspeaker amplifier. Gain is set as follows: 4:0 Loudspeaker Gain 4:0 Loudspeaker Gain 00000 -34.5dB 10000 -10.5dB 00001 -33dB 10001 -9dB 00010 -31.5dB 10010 -7.5dB 00011 -30dB 10011 -6dB 00100 -28.5dB 10100 -4.5dB 00101 -27dB 10101 -3dB 00110 -25.5dB 10110 -1.5dB 00111 -24dB 10111 0dB 01000 -22.5dB 11000 1.5dB 01001 -21dB 11001 3dB 01010 -19.5dB 11010 4.5dB 01011 -18dB 11011 6dB 01100 -16.5dB 11100 7.5dB 01101 -15dB 11101 9dB 01110 -13.5dB 11110 10.5dB 01111 -12dB 11111 12dB 9:5 HP_GAIN Programs the gain of the headphone amplifier. Gain is set as follows: 9:5 Headphone Gain 9:5 Headphone Gain 00000 -46dB 10000 -22.5dB 00001 -45dB 10001 -21dB 00010 -43.5dB 10010 -19.5dB 00011 -42db 10011 -18dB 00100 -40.5dB 10100 -16.5dB 00101 -39dB 10101 -15dB 00110 -37.5dB 10110 -13.5dB 00111 -36dB 10111 -12dB 01000 -34.5dB 11000 -10.5dB 01001 -33dB 11001 -9dB 01010 -31.5dB 11010 -7.5dB 01011 -30dB 11011 -6dB 01100 -28.5dB 11100 -4.5dB 01101 -27dB 11101 -3dB 01110 -25.5dB 11110 -1.5dB 01111 -24dB 11111 0dB 13:10 MIC_GAIN Programs the gain of the microphone amplifier. Gain is set as follows: (1) This register is used to control the gain of the headphone amplifier, the loudspeaker amplifier, and the microphone preamplifier. The 7 bit address for the GAINCONFIG register is XX10010. (X = 0 if ADDR is set to logic 0) (X = 1 if ADDR is set to logic 1) Copyright © 2004, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: LM4930 |
Số phần tương tự - LM4930_14 |
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Mô tả tương tự - LM4930_14 |
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