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LM49352 数据表(PDF) 72 Page - Texas Instruments |
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LM49352 数据表(HTML) 72 Page - Texas Instruments |
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72 / 106 page  LM49352 SNAS467E – MARCH 2009 – REVISED MARCH 2013 www.ti.com Table 58. EQ_BAND_3 (0x8Dh) Bits Field Description 1:0 FREQ This sets the Mid peak filter's center frequency. The cut-off frequencies shown are based on a 48kHz sample rate. Using lower sample rates will scale down the cut-off frequencies proportionately. FREQ Frequency (Hz) 00 600 01 800 10 1k 11 1.2k 6:2 LEVEL This sets the gain at fC. LEVEL Effect 00000 Off (0dB) 00001 -15dB 00010 -14dB 00011 -13dB 00100 -12dB 00101 -11dB 00110 -10dB 00111 -9dB 01000 -8dB 01001 -7dB 01010 -6dB 01011 -5dB 01100 -4dB 01101 -3dB 01110 -2dB 01111 -1dB 10000 0dB 10001 1dB 10010 2dB 10011 3dB 10100 4dB 10101 5dB 10110 6dB 10111 7dB 11000 8dB 11001 9dB 11010 10dB 11011 11dB 11100 12dB 11101 13dB 11110 14dB 11111 15dB 7 Q This programs the width of the peak filter. Q Bandwidth 0 2/3 Octave 1 4/3 Octave 72 Submit Documentation Feedback Copyright © 2009–2013, Texas Instruments Incorporated Product Folder Links: LM49352 |
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