AK8185A Datasheet, PDF (9/12 Pages) Asahi Kasei Microsystems – Low - Jitter Clock Generator with Integrated VCO

AK8185A
Generic Configuration
Input Frequency
Range
[MHz]
21.875 to 25.62
21.875 to 25.62
21.875 to 25.62
21.875 to 25.62
21.875 to 25.62
21.875 to 25.62
23.33 to 27.33
23.33 to 27.33
23.33 to 27.33
23.33 to 27.33
23.33 to 27.33
23.33 to 27.33
23.33 to 27.33
23.33 to 27.33
23.33 to 27.33
23.33 to 27.33
23.33 to 27.33
23.33 to 27.33
24.305 to 28.47
24.305 to 28.47
24.305 to 28.47
24.305 to 28.47
24.305 to 28.47
24.305 to 28.47
Prescaler Feedback ^{VCO Frequency}
Divider Divider
[MHz]
4
20
1750 to 2050
4
20
1750 to 2050
4
20
1750 to 2050
4
20
1750 to 2050
4
20
1750 to 2050
4
20
1750 to 2050
3
25
1750 to 2050
3
25
1750 to 2050
3
25
1750 to 2050
3
25
1750 to 2050
3
25
1750 to 2050
3
25
1750 to 2050
5
15
1750 to 2050
5
15
1750 to 2050
5
15
1750 to 2050
5
15
1750 to 2050
5
15
1750 to 2050
5
15
1750 to 2050
3
24
1750 to 2050
3
24
1750 to 2050
3
24
1750 to 2050
3
24
1750 to 2050
3
24
1750 to 2050
3
24
1750 to 2050
Output
Divider
8
6
4
3
2
1
8
6
4
3
2
1
8
6
4
3
2
1
8
6
4
3
2
1
Output Frequency
[MHz]
54.6875 to 64.05
72.92 to 85.4
109.375 to 128.1
145.84 to 170.8
218.75 to 256.2
437.5 to 512.4
72.906 to 85.408
97.21 to 113.875
145.821 to 170.816
194.42 to 227.75
291.624 to 341.632
583.248 to 683.264
43.75 to 51.25
58.33 to 68.33
87.5 to 102.5
116.66 to 136.66
175 to 205
350 to 410
72.915 to 85.41
97.22 to 113.88
145.83 to 170.82
194.44 to 227.76
291.66 to 341.64
583.32 to 683.28
Programmable Prescaler and Feedback Divider Settings
Control Inputs
PR1
PR0
0
0
0
1
1
0
1
1
Prescaler
Divider
3
5
3
4
Feedback
Divider
24
15
25
20
PFD Frequency
Minimum
24.305
23.33
23.33
21.875
Maximum
28.47
27.33
27.33
25.62
draft-E-02
Dec. 2012
-9-