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SM5309B Datasheet(PDF) 15 Page - Nippon Precision Circuits Inc

Part No. SM5309B
Description  3-channel Video Buffer with Built-in wideband LPF
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Maker  NPC [Nippon Precision Circuits Inc]
Homepage  http://www.npc.co.jp/en
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SM5309B Datasheet(HTML) 15 Page - Nippon Precision Circuits Inc

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SM5309B
SEIKO NPC CORPORATION —15
Lowpass Filter
The SM5309B has built-in 5th-order lowpass filters with variable cutoff frequency. The cutoff frequency range is
set by the resistor (RISET) connected between ISET and GND, and the cutoff frequency setting is determined by
FCDATA data. The cutoff frequency vs. FCDATA values are listed in table 2, and shown graphically in figure 1.
Table 2. Cutoff frequency vs. FCDATA (RISET = 1.8kΩ)
FCDATA
FCSET
(hex)
Cutoff freq.
[MHz]
FCDATA
FCSET
(hex)
Cutoff freq.
[MHz]
FCDATA
FCSET
(hex)
Cutoff freq.
[MHz]
FCDATA
FCSET
(hex)
Cutoff freq.
[MHz]
0
00
4.05
64
40
13.95
128
80
7.40
192
C0
24.93
1
01
4.22
65
41
14.09
129
81
7.70
193
C1
25.19
2
02
4.38
66
42
14.24
130
82
7.99
194
C2
25.45
3
03
4.54
67
43
14.39
131
83
8.29
195
C3
25.72
4
04
4.70
68
44
14.53
132
84
8.59
196
C4
25.96
5
05
4.87
69
45
14.67
133
85
8.88
197
C5
26.24
6
06
5.02
70
46
14.82
134
86
9.18
198
C6
26.48
7
07
5.19
71
47
14.97
135
87
9.47
199
C7
26.74
8
08
5.34
72
48
15.11
136
88
9.76
200
C8
27.01
9
09
5.50
73
49
15.25
137
89
10.05
201
C9
27.26
10
0A
5.66
74
4A
15.39
138
8A
10.34
202
CA
27.51
11
0B
5.82
75
4B
15.54
139
8B
10.63
203
CB
27.76
12
0C
5.99
76
4C
15.68
140
8C
10.92
204
CC
28.02
13
0D
6.15
77
4D
15.83
141
8D
11.21
205
CD
28.26
14
0E
6.31
78
4E
15.97
142
8E
11.49
206
CE
28.53
15
0F
6.48
79
4F
16.11
143
8F
11.78
207
CF
28.78
16
10
6.63
80
50
16.25
144
90
12.05
208
D0
29.02
17
11
6.79
81
51
16.39
145
91
12.33
209
D1
29.26
18
12
6.95
82
52
16.54
146
92
12.61
210
D2
29.54
19
13
7.11
83
53
16.68
147
93
12.90
211
D3
29.78
20
14
7.27
84
54
16.82
148
94
13.18
212
D4
30.02
21
15
7.43
85
55
16.96
149
95
13.47
213
D5
30.28
22
16
7.59
86
56
17.11
150
96
13.75
214
D6
30.52
23
17
7.76
87
57
17.26
151
97
14.03
215
D7
30.78
24
18
7.91
88
58
17.39
152
98
14.31
216
D8
31.03
25
19
8.07
89
59
17.54
153
99
14.58
217
D9
31.28
26
1A
8.22
90
5A
17.67
154
9A
14.86
218
DA
31.53
27
1B
8.39
91
5B
17.81
155
9B
15.14
219
DB
31.77
28
1C
8.54
92
5C
17.95
156
9C
15.41
220
DC
32.03
29
1D
8.70
93
5D
18.09
157
9D
15.69
221
DD
32.28
30
1E
8.85
94
5E
18.23
158
9E
15.98
222
DE
32.53
31
1F
9.01
95
5F
18.37
159
9F
16.25
223
DF
32.78
32
20
9.15
96
60
18.51
160
A0
16.50
224
E0
33.02
33
21
9.30
97
61
18.65
161
A1
16.77
225
E1
33.27
34
22
9.46
98
62
18.78
162
A2
17.04
226
E2
33.50
35
23
9.62
99
63
18.92
163
A3
17.31
227
E3
33.75
36
24
9.77
100
64
19.06
164
A4
17.58
228
E4
34.01
37
25
9.93
101
65
19.19
165
A5
17.87
229
E5
34.25
38
26
10.08
102
66
19.33
166
A6
18.14
230
E6
34.49
39
27
10.23
103
67
19.48
167
A7
18.41
231
E7
34.73
40
28
10.39
104
68
19.61
168
A8
18.67
232
E8
34.98
41
29
10.54
105
69
19.74
169
A9
18.94
233
E9
35.23
42
2A
10.69
106
6A
19.88
170
AA
19.20
234
EA
35.47
43
2B
10.85
107
6B
20.02
171
AB
19.47
235
EB
35.72
44
2C
10.99
108
6C
20.15
172
AC
19.75
236
EC
35.96
45
2D
11.15
109
6D
20.30
173
AD
20.01
237
ED
36.20
46
2E
11.30
110
6E
20.43
174
AE
20.29
238
EE
36.45
47
2F
11.45
111
6F
20.57
175
AF
20.55
239
EF
36.70
48
30
11.60
112
70
20.71
176
B0
20.80
240
F0
36.94
49
31
11.75
113
71
20.83
177
B1
21.07
241
F1
37.19
50
32
11.90
114
72
20.97
178
B2
21.33
242
F2
37.42
51
33
12.04
115
73
21.10
179
B3
21.60
243
F3
37.66
52
34
12.20
116
74
21.24
180
B4
21.86
244
F4
37.91
53
35
12.35
117
75
21.38
181
B5
22.13
245
F5
38.16
54
36
12.49
118
76
21.52
182
B6
22.40
246
F6
38.41
55
37
12.65
119
77
21.65
183
B7
22.66
247
F7
38.66
56
38
12.79
120
78
21.78
184
B8
22.91
248
F8
38.88
57
39
12.95
121
79
21.91
185
B9
23.17
249
F9
39.12
58
3A
13.09
122
7A
22.06
186
BA
23.44
250
FA
39.36
59
3B
13.24
123
7B
22.19
187
BB
23.70
251
FB
39.60
60
3C
13.39
124
7C
22.33
188
BC
23.96
252
FC
39.86
61
3D
13.53
125
7D
22.46
189
BD
24.22
253
FD
40.10
62
3E
13.68
126
7E
22.60
190
BE
24.48
254
FE
40.35
63
3F
13.83
127
7F
22.74
191
BF
24.74
255
FF
40.60


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