LMX2471 National Semiconductor, LMX2471 Datasheet - Page 11

• Manufacturer Part Number: LMX2471
• Description: 3.6 GHz Delta-Sigma Fractional-N PLL with 1.7 GHz Integer-N PLL
• Manufacturer: National Semiconductor

Typical Performance Characteristic : OSCin Input Impedance
Frequency (MHz)
100
110
50
10
20
30
40
50
60
70
80
90
OSCin Input Impedance (V
Real (Ohms)
2200
710
229
133
93
74
62
53
49
45
42
40
(Note 5)
11
Imaginary (Ohms)
CC
=2.5 V, T
-4700
-2700
-1500
-988
-752
-606
-505
-435
-382
-341
-309
-282
A
=25 ˚C)
Magnitude (Ohms)
(Note 6)
5189
2792
1517
997
758
611
509
438
385
344
312
285
20072155
www.national.com