CS5378 데이터 시트보기 (PDF) - Cirrus Logic
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CS5378 Datasheet PDF : 88 Pages
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CS5378
Filter Type
SINC3 (Stage 1)
SINC3 (Stage 2)
SINC3 (Stage 3)
4th order decimate by 5
17 coefficients
SINC3 (Stage 4)
5th order decimate by 5
21 coefficients
SINC3 (Stage 5)
5th order decimate by 2
6 coefficients
SINC3 (Stage 6)
6th order decimate by 3
13 coefficients
SINC3 (Stage 7)
6th order decimate by 2
7 coefficients
System Function
H
(z)
=
⎜⎜⎝⎛
1−
1−
z
z
−5
−1
⎟⎟⎠⎞ 4
H
(z)
=
⎜⎜⎝⎛
1
1
−
−
z
z
−5
−1
⎟⎟⎠⎞5
H
(z)
=
⎜⎜⎝⎛
1−
1−
z −2
z −1
⎟⎟⎠⎞5
H
(z)
=
⎜⎜⎝⎛
1−
1−
z
z
−3
−1
⎟⎟⎠⎞ 6
H
(z)
=
⎜⎜⎝⎛
1−
1−
z −2
z −1
⎟⎟⎠⎞ 6
Filter Coefficients
h0 = 1
h1 = 4
h2 = 10
h3 = 20
h4 = 35
h5 = 52
h6 = 68
h7 = 80
h8 = 85
h0 = 1
h1 = 5
h2 = 15
h3 = 35
h4 = 70
h5 = 121
h6 = 185
h7 = 255
h8 = 320
h9 = 365
h10 = 381
h0 = 1
h1 = 5
h2 = 10
h3 = 10
h4 = 5
h5 = 1
h0 = 1
h1 = 6
h2 = 21
h3 = 50
h4 = 90
h5 = 126
h6 = 141
h0 = 1
h1 = 6
h2 = 15
h3 = 20
h4 = 15
h5 = 6
h6 = 1
h9 = 80
h10 = 68
h11 = 52
h12 = 35
h13 = 20
h14 = 10
h15 = 4
h16 = 1
h11 = 365
h12 = 320
h13 = 255
h14 = 185
h15 = 121
h16 = 70
h17 = 35
h18 = 15
h19 = 5
h20 = 1
h7 = 126
h8 = 90
h9 = 50
h10 = 21
h11 = 6
h12 = 1
DS639F2
Table 13. SINC3 Filter Coefficients
43
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