sy89537l Micrel Semiconductor, sy89537l Datasheet - Page 13

• Manufacturer Part Number: sy89537l
• Description: Sy89537l 3.3v Precision Lvpecl And Lvds Programmable Multiple Output Bank Clock Synthesizer And Fanout Buffer
• Manufacturer: Micrel Semiconductor

Micrel, Inc.
PLL Stability
For the loop filter configurations shown in Figure 3a
and 3b, Table 5a and 5b below summarizes the PLLs
December 2007
Parameter
V
Temperature
VCO Frequency
Charge Pump
Current
Loop Filter
Resistor
Zero Capacitor
Pole Capacitor
VCO Gain
(KVCO)
Feedback Divider
Phase Detector
Frequency
Damping Factor
Natural
Frequency
Ratio=Phase
Detector Freq/BW
Zero Frequency
Loop Bandwidth
(BN)
Pole Frequency
CC
3.20E+09
2.61E+03
1.22E+07
13600.29
1.80E-04
4.70E-07
1.00E-09
7.1E+04
2352
–40
130
168
197
2.6
14
3
4.50E+09
2.61E+03
9.98E+04
1.22E+07
16127.95
1.80E-04
4.70E-07
1.00E-09
2800
130
168
160
-40
3.1
16
3
Table 5a. Optimized for Lowest Cycle-to-Cycle Jitter
4.50E+09
2.61E+03
1.22E+07
16127.95
1.80E-04
4.70E-07
1.00E-09
9.98+04
3024
130
168
180
-40
3.1
18
3
(R = 130Ω, C1 = 0.47µF, C2 = 100pF)
2.80E+09
2.61E+03
6.21E+04
1.22E+07
12721.90
1.80E-04
4.70E-07
1.00E-09
2352
130
168
225
3.3
2.4
25
14
13
3.30E+09
2.61E+03
7.32E+04
1.22E+07
1.80E-04
4.70E-07
1.00E-09
13811.16
2800
130
168
219
3.3
2.6
25
16
loop stability in terms of damping factor, natural
frequency, and bandwidth, and illustrates the pole and
zero cutoff frequencies determined by the loop filter
3.10E+09
2.61E+03
6.88E+04
1.22E+07
1.80E-04
4.70E-07
1.00E-09
13386.09
3024
130
168
262
3.3
2.6
25
18
2.30E+09
2.61E+03
1.22E+07
11530.20
1.80E-04
4.70E-07
1.00E-09
5.1E+04
[e-mail]
2352
130
168
274
3.6
2.2
85
14
1.70E+09
2.61E+03
3.77E+04
1.22E+07
1.80E-04
4.70E-07
1.00E-09
9912.83
2800
130
168
424
3.6
1.7
85
16
1.30E+09
2.61E+03
2.88E+04
1.22E+07
1.80E-04
4.70E-07
1.00E-09
M9999-121207-B
or [phone]
8668.52
3024
130
168
624
3.6
1.9
85
18
SY89537L
Units
Integer
Hz/V
MHz
MHz
Hz
Hz
Hz
Hz
V
C
A
Ω
F
F