Datasheet

y(n) +
ǒ
1
2
11
Ǔ
x[h6 x(n) ) h7 x(n * 1) ) h8 x(n * 2) ) AAA ) h11 x(n * 5) ) h11 x(n * 6) ) AAA ) h7 x(n * 10) ) h6 x(n * 11)]
ADS62P45, ADS62P44
ADS62P43, ADS62P42
SLAS561C –JULY 2007– REVISED FEBRUARY 2012 www.ti.com
Custom Filter Coefficients without Decimation
The filter with custom coefficients can also be used with the decimation mode disabled. In this mode, the filter
implementation is 12-tap FIR:
(5)
Table 27. Register Map of Custom Coefficients
A7–A0
D7 D6 D5 D4 D3 D2 D1 D0
(hex)
1E Coefficient h0 <7:0>
1F Coefficient h1 <3:0> Coefficient h0 <11:8>
20 Coefficient h1 <11:4>
21 Coefficient h2 <7:0>
22 Coefficient h3 <3:0> Coefficient h2 <11:8>
23 Coefficient h3 <11:4>
24 Coefficient h4 <7:0>
25 Coefficient h5 <3:0> Coefficient h4 <11:8>
26 Coefficient h5 <11:4>
27 Coefficient h6 <7:0>
28 Coefficient h7 <3:0> Coefficient h6 <11:8>
29 Coefficient h7 <11:4>
2A Coefficient h8 <7:0>
2B Coefficient h9 <3:0> Coefficient h8 <11:8>
2C Coefficient h9 <11:4>
2D Coefficient h10 <7:0>
2E Coefficient h11 <3:0> Coefficient h10 <11:8>
2F Coefficient h11 <11:4>
66 Submit Documentation Feedback Copyright © 2007–2012, Texas Instruments Incorporated
Product Folder Link(s): ADS62P45, ADS62P44 ADS62P43, ADS62P42