SY89610L Datasheet, PDF (6/17 Pages) Micrel Semiconductor – 77.75MHz to 694MHz Jitter Attenuator and Low Phase Noise Frequency Synthesizer

Micrel, Inc.
SY89610L
Input
Output FRQSEL2 FRQSEL1 FRQSEL0 P N M
Frequency Frequency
(MHz)
(MHz)
78
78
0
0
0
1 16 1
78
155
0
0
Float
182
78
311
0
0
1
144
78
622
0
Float
0
128
155
155
0
Float
1
282
155
311
0
1
0
244
155
622
0
1
Float
228
311
311
Float
0
1
444
311
622
Float
Float
0
428
622
622
Float
1
Float
828
19
78
1
0
0
1 16 4
19
155
1
0
Float
188
19
311
1
0
1
1 4 16
19
622
1
Float
0
1 2 32
Input
Min.
77.75
77.75
77.75
77.75
155.5
155.5
155.5
311
311
622
19.44
19.44
19.44
19.44
Table 2. I/O Frequency Table
Input Output Output Mult.
Max.
Min.
Max.
86.75 77.75 86.75 1
86.75 155.5 173.5 2
86.75 311
347
4
86.75 622
694
8
173.5 155.5 173.5 1
173.5 311
347
2
173.5 622
694
4
347
311
347
1
347
622
694
2
694
622
694
1
21.69 77.75 86.75 4
21.69 155.5 173.5 8
21.69 311
347
16
21.69 622
694
32
BW Code
BW (kHz)
Cext (uF)
BW Code
BW (kHz)
Cext (uF)
Input Frequency = 78MHz, 155MHz, 311MHz, 622MHz
00
01
10
1
2
5
4.7
1
0.22
Input Frequency = 19MHz
00
01
10
1
2
5
1
0.33
0.15
Table 3. PLL Loop Filter Capacitor Tables
11
10
0.15
11
10
0.033
Offset/loop BW
100Hz offset
1kHz offset
10kHz offset
100kHz offset
1kHz
-50
-65
-90
-115
2kHz
-55
-65
-90
-110
5kHz
-70
-75
-90
-110
10kHz
-75
-80
-90
-115
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
Table 4. Typical Phase Noise Performance (622MHz Input, 622MHz Output)
July 2008
6
M9999-071008-D
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