Datasheet

ADS1281
SBAS378D –AUGUST 2007–REVISED JUNE 2010 www.ti.com
Table 24. FIR Stage Coefficients (continued)
SESSION 1 SESSION 2 SESSION 3 SESSION 4
Scaling = 134217728 Scaling = 134217728
LINEAR PHASE
LINEAR PHASE SCALING = LINEAR LINEAR
COEFFICIENT SCALING = 1/512 1/8388608 PHASE MINIMUM PHASE PHASE MINIMUM PHASE
b
43
–80934 940 2811738 –2193542
b
44
–41280 –2953 2425494 1493873
b
45
–16147 –2599 –2338095 2595051
b
46
–4648 –1052 –4511116 –79991
b
47
–874 –43 641555 –2260106
b
48
–73 214 6661730 –963855
b
49
0 132 2950811 1482337
b
50
0 33 –8538057 1480417
b
51
0 0 –10537298 –586408
b
52
9818477 –1497356
b
53
41426374 –168417
b
54
56835776 1166800
b
55
41426374 644405
b
56
9818477 –675082
b
57
–10537298 –806095
b
58
–8538057 211391
b
59
2950811 740896
b
60
6661730 141976
b
61
641555 –527673
b
62
–4511116 –327618
b
63
–2338095 278227
b
64
2425494 363809
b
65
2811738 –70646
b
66
–688945 –304819
b
67
–2490395 –63159
b
68
–522533 205798
b
69
1741565 124363
b
70
1162189 –107173
b
71
–878642 –131357
b
72
–1300087 31104
b
73
132893 107182
b
74
1084786 15644
b
75
366118 –71728
b
76
–693209 –36319
b
77
–588382 38331
b
78
283878 38783
b
79
580424 –13557
b
80
34715 –31453
b
81
–430178 –1230
b
82
–215231 20983
b
83
231231 7729
b
84
263758 –11463
b
85
–56082 –8791
b
86
–220104 4659
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