Datasheet

MAX260/MAX261/MAX262
Microprocessor Programmable
Universal Active Filters
______________________________________________________________________________________ 13
PROGRAMMED Q PROGRAM CODE
MODES
1,3,4
MODE
2
N Q6Q5Q4Q3Q2Q1Q0
0.500* 0.707* 0* 0 0 0 0 0 0 0
0.504 0.713 1 0 0 0 0 0 0 1
0.508 0.718 2 0 0 0 0 0 1 0
0.512 0.724 3 0 0 0 0 0 1 1
0.516 0.730 4 0 0 0 0 1 0 0
0.520 0.736 5 0 0 0 0 1 0 1
0.525 0.742 6 0 0 0 0 1 1 0
0.529 0.748 7 0 0 0 0 1 1 1
0.533 0.754 8 0 0 0 1 0 0 0
0.538 0.761 9 0 0 0 1 0 0 1
0.542 0.767 10 0 0 0 1 0 1 0
0.547 0.774 11 0 0 0 1 0 1 1
0.552 0.780 12 0 0 0 1 1 0 0
0.556 0.787 13 0 0 0 1 1 0 1
0.561 0.794 14 0 0 0 1 1 1 0
0.566 0.801 15 0 0 0 1 1 1 1
0.571 0.808 16 0 0 1 0 0 0 0
0.577 0.815 17 0 0 1 0 0 0 1
0.582 0.823 18 0 0 1 0 0 1 0
0.587 0.830 19 0 0 1 0 0 1 1
0.593 0.838 20 0 0 1 0 1 0 0
0.598 0.646 21 0 0 1 0 1 0 1
0.604 0.854 22 0 0 1 0 1 1 0
0.609 0.862 23 0 0 1 0 1 1 1
PROGRAMMED Q PROGRAM CODE
MODES
1,3,4
MODE
2
N Q6Q5Q4Q3Q2Q1Q0
0.615 0.870 24 0 0 1 1 0 0 0
0.621 0.879 25 0 0 1 1 0 0 1
0.627 0.887 26 0 0 1 1 0 1 0
0.634 0.896 27 0 0 1 1 0 1 1
0.640 0.905 28 0 0 1 1 1 0 0
0.646 0.914 29 0 0 1 1 1 0 1
0.653 0.924 30 0 0 1 1 1 1 0
0.660 0.933
3100 11 11 1
0.667 0.943
3201 00 00 0
0.674 0.953
3301 00 00 1
0.681 0.963
3401 00 01 0
0.688 0.973
3501 00 01 1
0.696 0.984
3601 00 10 0
0.703 0.995
3701 00 10 1
0.711 1.01
3801 00 11 0
0.719 1.02
3901 00 11 1
0.727 1.03
4001 01 00 0
0.736 1.04
4101 01 00 1
0.744 1.05
4201 01 01 0
0.753 1.06 43 0 1 0 1 0 1 1
0.762 1.08 44 0 1 0 1 1 0 0
0.771 1.09 45 0 1 0 1 1 0 1
0.780 1.10 46 0 1 0 1 1 1 0
0.790 1.12 47 0 1 0 1 1 1 1
Table 3. Q Program Selection Table
Note 4: * Writing all 0s into Q0A–Q6A on Filter A activates a low-power shutdown mode. BOTH filter sections are deactivated.
Therefore, this Q value is only achievable in filter B.