sm5330af Nippon Precision Circuits Inc, (NPC), sm5330af Datasheet - Page 18

• Manufacturer Part Number: sm5330af
• Description: 3-channel Video Filter With Built-in 4-system Switch
• Manufacturer: Nippon Precision Circuits Inc, (NPC)

Lowpass Filter
The SM5330A has a 5th-order lowpass filter built-in, with a cutoff frequency selectable from 64 levels each for
SD/HD mode controlled using the I
and shown in table 2.
Table 2. Cutoff frequency vs. FCDATA (R
FCDATA
FCDATA
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
10
11
12
13
14
15
0
1
2
3
4
5
6
7
8
9
FCSET
FCSET
(hex)
(hex)
0A
0B
0C
0D
0E
0F
8A
8B
8C
8D
8E
8F
00
01
02
03
04
05
06
07
08
09
80
81
82
83
84
85
86
87
88
89
fc [MHz]
fc [MHz]
15.61
16.01
16.40
16.79
17.18
17.57
17.96
18.35
18.75
19.14
19.53
19.92
20.31
20.70
21.09
21.48
5.11
5.24
5.37
5.50
5.63
5.76
5.89
6.02
6.15
6.28
6.41
6.54
6.67
6.80
6.93
7.06
FCDATA
FCDATA
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Figure 3. FCSET setting vs. Cutoff frequency
2
C BUS. The cutoff frequency settings are displayed graphically in figure 3,
50
45
40
35
30
25
20
15
10
5
0
FCSET
FCSET
0
(hex)
(hex)
ISET
1A
1B
1C
1D
1E
1F
9A
9B
9C
9D
9E
9F
10
11
12
13
14
15
16
17
18
19
90
91
92
93
94
95
96
97
98
99
32
= 1.8kΩ)
fc [MHz]
fc [MHz]
21.88
22.27
22.66
23.05
23.44
23.83
24.22
24.62
25.01
25.40
25.79
26.18
26.57
26.96
27.36
27.75
7.19
7.32
7.45
7.58
7.71
7.84
7.97
8.10
8.23
8.36
8.49
8.62
8.75
8.88
9.01
9.14
SM5330A
64
Frequency [MHz]
96
FCDATA
FCDATA
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
128
FCSET
FCSET
(hex)
(hex)
160
AC
AD
2A
2B
2C
2D
2E
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
AA
AB
AE
AF
20
21
22
23
24
25
26
27
28
29
2F
192
fc [MHz]
fc [MHz]
10.05
10.18
10.31
10.44
10.57
10.70
10.83
10.96
11.09
11.22
28.14
28.53
28.92
29.31
29.70
30.10
30.49
30.88
31.27
31.66
32.05
32.44
32.84
33.23
33.62
34.01
9.27
9.40
9.53
9.66
9.79
9.92
SEIKO NPC CORPORATION —18
FCDATA
FCDATA
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
FCSET
FCSET
(hex)
(hex)
BC
BD
3C
3D
B0
B1
B2
B3
B4
B5
B6
B7
B8
B9
BA
BB
BE
BF
30
31
32
33
34
35
36
37
38
39
3A
3B
3E
3F
fc [MHz]
fc [MHz]
11.35
11.48
11.61
11.74
11.87
12.00
12.13
12.26
12.39
12.52
12.65
12.78
12.91
13.04
13.17
13.30
34.40
34.79
35.18
35.58
35.97
36.36
36.75
37.14
37.53
37.92
38.32
38.71
39.10
39.49
39.88
40.27