ML12210
Legacy Applications Information
Figure 10. Typical Applications Example
LANSDALE Semiconductor, Inc.
C1
C2
VP
100 pF
VCC
100 pF
LOCK
DETECT
LOCK DETECT
CIRCUIT
(SEE FIGURE 9)
1
OSCin
2
OSCout
3
VP
0.1 µF
φR 16
φP 15
EXTERNAL
CHARGE PUMP
(SEE FIGURE 8)
LOW PASS
FILTER
VCO
(SEE FIGURE 11)
CHARGE PUMP SELECTION
(INTERNAL OR EXTERNAL)
FOUT 14
4
VCC
BISW 13
0.1 µF
ML12210
5
Do
FC 12
6
GND
LE 11
7
LD
8
fin
1000 pF
DATA 10
CLK 9
47 kΩ
47 kΩ
FROM
CONTROLLER
C1, C2: Dependent on Crystal Oscillator
Figure 11. Typical Loop Filter
BISW
Do OR EXTERNAL
VCO
CHARGE PUMP
R
C
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