LMX2485 National Semiconductor Corporation, LMX2485 Datasheet - Page 12

• Manufacturer Part Number: LMX2485
• Description: 50 Mhz - 3.0 Ghz High Performance Delta-sigma Low Power Dual Pllatinum 50 Mhz - 3.0 Ghz High Performance Delta-sigma Low Power Dual Pllatinum? Frequency Synthesizers With 800 Mhz Integer Pll
• Manufacturer: National Semiconductor Corporation

www.national.com
Typical Performance Characteristic : OSCin Input Impedance
Frequency (MHz)
100
110
120
130
140
150
10
20
30
40
50
60
70
80
90
5
1730
Real
846
466
351
316
278
261
252
239
234
230
225
219
214
208
207
Imaginary
Powered Up
-3779
-2236
-1196
-863
-672
-566
-481
-425
-388
-358
-337
-321
-309
-295
-285
-279
Magnitude
12
4157
2391
1284
932
742
631
547
494
456
428
407
392
379
364
353
348
Real
392
155
107
166
182
155
153
154
147
145
140
138
133
133
132
133
Powered Down
Imaginary
-8137
-4487
-2215
-1495
-1144
-912
-758
-652
-576
-518
-471
-436
-402
-374
-349
-329
(Note 8)
20087755
Magnitude
-1504
8146
4490
2217
1158
925
774
669
595
538
492
458
123
397
373
355