Datasheet

LM49350, LM49350RLEVAL
www.ti.com SNAS359D –SEPTEMBER 2008–REVISED JUNE 2012
Table 60. EQ_BAND_2 (0x8Ch)
Bits Field Description
1:0 FREQ This sets the Bass 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)
00 150
01 200
10 250
11 300
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 Programs the width of the peak filter.
Q Bandwidth
0 2/3 Octave
1 4/3 Octave
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