参数资料
型号: I2784AF-08TR
元件分类: 时钟产生/分配
英文描述: 312 MHz, OTHER CLOCK GENERATOR, PDSO8
封装: ROHS COMPLIANT, TSSOP-8
文件页数: 5/11页
文件大小: 384K
代理商: I2784AF-08TR
P2781/82/84
Rev. 2 | Page 3 of 11 | www.onsemi.com
Loop Filter Selection Table VDD 3.3V
Contact PulseCore for loop values that are not listed in the table and for
component selection values for industrial and automotive temperatures.
Input
MHz
FS1
FS0
BW = ±0.50%
1
BW = ±0.75%
1
BW = ±1.00%
1
BW = ±1.25%
1
C1
(pF)
C2
(pF)
R1
(ohm)
C1
(pF)
C2
(pF)
R1
(ohm)
C1
(pF)
C2
(pF)
R1
(ohm)
C1
(pF)
C2
(pF)
R1
(ohm)
3
0
270
330,000
220
270
330,000
300
270
100,000
390
560
100,000
510
4
0
270
100,000
270
100,000
390
270
100,000
560
100,000
680
5
0
270
100,000
390
270
100,000
560
270
100,000
750
560
100,000
910
6
0
270
100,000
510
270
100,000
750
270
10,000
1,000
680
6,800
1,200
7
0
270
100,000
620
270
100,000 1,000
270
5,600
1,200
330
3,300
1,200
8
0
270
100,000
820
270
100,000 1,200
270
12,000
2,200
680
6,800
2,200
9
0
270
100,000 1,000
270
100,000 1,500
270
5,600
2,200
270
2,700
2,200
10
0
1
270
100,000
330
270
100,000
510
270
100,000
750
560
100,000
910
11
0
1
270
100,000
390
270
100,000
560
270
100,000 866(1%)
560
100,000
1,100
12
0
1
270
100,000
510
270
100,000
750
270
10,000
1,000
680
6,800
1,200
13
0
1
270
100,000
560
270
100,000
820
270
12,000
1,200
470
4,700
1,200
14
0
1
270
100,000
620
270
100,000 1,000
270
5,600
1,200
330
3,300
1,200
15
0
1
270
100,000
750
270
100,000 1,100
270
3,900
1,200
330
3,300
1,500
16
0
1
270
100,000
820
270
100,000 1,200
270
12,000
2,200
680
6,800
2,200
17
0
1
270
100,000
910
270
100,000 1,300
270
10,000
2,200
390
3,900
2,200
18
0
1
270
100,000 1,000
270
100,000 1,500
270
5,600
2,200
270
2,700
2,200
19
0
1
270
100,000 1,200
270
100,000 1,600
270
3,300
2,200
270
2,700
20
0
270
100,000
330
270
100,000
560
270
100,000
750
560
100,000
910
21-22
1
0
270
100,000
390
270
100,000
620
270
100,000 866 (1%)
560
100,000
1,100
23-24
1
0
270
100,000
510
270
100,000
750
270
10,000
1,000
680
6,800
1,200
25-26
1
0
270
100,000
560
270
100,000
820
270
12,000
1,200
470
4,700
1,200
27-28
1
0
270
100,000
620
270
100,000 1,000
270
6,800
1,200
330
3,300
1,200
29-30
1
0
270
100,000
750
270
100,000 1,100
270
3,900
1,200
330
3,300
1,500
31-32
1
0
270
100,000
820
270
100,000 1,200
270
12,000
2,200
680
6,800
2,200
33-34
1
0
270
100,000
910
270
100,000 1,300
270
10,000
2,200
390
3,900
2,200
35-36
1
0
270
100,000 1,000
270
100,000 1,500
270
5,600
2,200
270
2,700
2,200
37-38
1
0
270
100,000 1,200
270
100,000 1,600
270
3,300
2,200
270
2,700
39-42
1
270
100,000
330
270
100,000
560
270
100,000
750
560
100,000
910
43-46
1
270
100,000
390
270
100,000
620
270
100,000 866 (1%)
560
100,000
1,100
47-50
1
270
100,000
510
270
100,000
750
270
10,000
1,000
680
6,800
1,200
51-54
1
270
100,000
560
270
100,000
820
270
12,000
1,200
470
4,700
1,200
55-58
1
270
100,000
620
270
100,000 1,000
270
6,800
1,200
330
3,300
1,200
59-62
1
270
100,000
750
270
100,000 1,100
270
3,900
1,200
330
3,300
1,500
63-66
1
270
100,000
820
270
100,000 1,200
270
12,000
2,200
680
6,800
2,200
67-70
1
270
100,000
910
270
100,000 1,300
270
8,200
2,200
390
3,900
2,200
71-74
1
270
100,000 1,000
270
100,000 1,600
270
5,600
2,200
270
2,700
2,200
75-78
1
270
100,000 1,200
270
100,000 1,800
270
3,300
2,200
270
2,700
Note: 1. The BW value is representative of typical conditions.
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