HSP50214BVC 데이터 시트보기 (PDF) - Intersil
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HSP50214BVC Datasheet PDF : 62 Pages
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HSP50214B
TABLE 9B. PDC BIT WEIGHTING
BIT
WEIGHT
0
INPUT
0
SIN/COS
0
MIX OUT
0
CIC IN
SHIFT = 0
S
CIC IN
SHIFT = 15
CIC BIT
WEIGHTS
IIIIICCCCC
S
xxxxxxxxxx
CIC OUT
0
HB DATA
HB DATA IN OUT/FIR IN
0
0
FIR
COEF
0
FIR
MULTI/
ACC
1
FIR
OUT
1
1
1
1
S
S
xxxxxxxxxx
1
1
1
1
0
0
2
2
2
2
S
S
xxxxxxxxxx
2
2
2
2
1
1
3
3
3
3
S
S
xxxxxxxxxx
3
3
3
3
2
2
4
4
4
4
S
S
xxxxxxxxxx
4
4
4
4
3
3
5
5
5
5
S
S
xxxxxxxxxx
5
5
5
5
4
4
6
6
6
6
S
S
xxxxxxxxxx
6
6
6
6
5
5
7
7
7
7
S
S
xxxxxxxxxx
7
7
7
7
6
6
8
8
8
8
S
S
xxxxxxxxxx
8
8
8
8
7
7
9
9
9
9
S
S
xxxxxxxxxx
9
9
9
9
8
8
10
10
10
10
S
10(S) xxxxxxxxxx
10
10
10
10
9
9
11
11
11
11
S
11
xxxxxxxxxx
11
11
11
11
10
10
12
12
12
12
S
12
xxxxxxxxxx
12
12
12
12
11
11
13
13
13
13
S
13
xxxxxxxxxx
13
13
13
13
12
12
14
14
14
S
14
xxxxxxxxxx
14
14
14
14
13
13
15
15
SRnd
S
15
xxxxxxxxxx
15
15
15
15
14
14
16
16
S
16
xxxxxxxxxx
16
16
16
16
15
15
17
17
S
17
xxxxxxxxxx
17
17
17
17
16
16
18
S
18
xxxxxxxxxx
18
18
18
18
17
17
19
S
19
xxxxxxxxxx
19
19
19
19
18
18
20
S
20
xxxxxxxxxx
20
20
20
20
19
19
21
S
21
xxxxxxxxxx
21
21
21
21
20
20
22
S
22
xxxxxxxxxx
22
22
22
21
21
23
S
23
xxxxxxxxxx
23
23
23
22
22
24
S
24
xxxxx
Rnd
Rnd
Rnd
23
23
25
25(S)
25
xxxxx
SAT
SAT
SAT
24
24
26
26
26
xxxxx
25
Rnd
27
27
27
xxxxx
26
SAT
28
28
28
xxxxx
27
29
29
29
xxxxx
28
30
30
30
xxxxx
29
31
31
31
xxxxx
30
32
32
32
xx
31
33
33
33
xx
32
34
34
34
xx
(Rnd Out
of Mult.)
35
35
35
xx
36
36
36
x
37
37
37
x
38
38
38
x
39
39
39
x
NOTES:
1. SRnd = Symmetric Round; Rnd = Round; SAT = Saturation.
2. The NBW out of the CIC filter is 0.5 x fSOUT. If the NBWIN = fS/4 and NBWOUT = fSOUT/2, then the processing gain for a decimation x 16 CIC
should be ~ 8 (9dB or 1.5 bits) versus A/D noise, the processing gain should be 10log(BWIN / BWOUT).
27
FN4450.4
May 1, 2007
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