MAX270EWP(2012) 查看數據表（PDF） - Maxim Integrated
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MAX270EWP Datasheet PDF : 16 Pages
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MAX270/MAX271
Digitally-Programmed, Dual
2nd-Order Continuous Lowpass Filter
Table 1. Programmed Cutoff Frequency Codes (typ)
PROGRAMMED
CODE
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
fC (kHz)
1.000
1.011
1.023
1.035
1.047
1.060
1.073
1.087
1.100
1.114
1.129
1.143
1.158
1.174
1.190
1.206
1.223
1.241
11.259
1.277
1.296
1.315
1.335
1.356
1.378
1.400
1.422
1.446
1.470
1.495
1.521
1.548
PROGRAMMED
CODE
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
fC (kHz)
1.576
1.605
1.635
1.666
1.699
1.732
1.767
1.804
1.842
1.881
1.923
1.966
2.011
2.058
2.108
2.160
2.215
2.272
2.333
2.397
2.464
2.536
2.611
2.692
2.777
2.868
2.966
3.070
3.181
3.301
3.431
3.571
PROGRAMMED
CODE
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
Programmed code is the data on pins D0–D6 (0–127). D6 is the MSB.
fC
(kHz)
3.571
3.620
3.671
3.723
3.777
3.832
3.888
3.947
4.007
4.069
4.133
4.200
4.268
4.338
4.411
4.487
4.565
4.646
4.729
4.816
4.906
5.000
5.097
5.198
5.303
5.412
5.526
5.645
5.769
5.898
6.034
6.176
PROGRAMMED
CODE
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
fC (kHz)
6.325
6.481
6.645
6.818
7.008
7.191
7.394
7.608
7.835
8.076
8.333
8.606
8.898
9.210
9.545
9.905
10.294
10.714
11.170
11.666
12.209
12.804
13.461
14.189
15.000
15.909
16.935
18.103
19.444
21.000
22.826
25.000
10
Maxim Integrated
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