LMX2346 National Semiconductor Corporation, LMX2346 Datasheet - Page 15

• Manufacturer Part Number: LMX2346
• Description: Pllatinum? Frequency Synthesizer For Rf Personal Communications
• Manufacturer: National Semiconductor Corporation

(MHz)
F
100
104
LMX2346/7SLB OSC
OSC
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
5
ZOSC
1100
Real
340
170
120
(Ω)
NORMAL OPERATION
85
75
68
64
58
57
53
52
49
48
46
45
44
44
42
41
41
IN
OSC
ZOSC
−4800
−2200
−1600
−1120
Imag-
IN
inary
−953
−800
−692
−612
−530
−492
−447
−410
−373
−347
−326
−305
−289
−274
−260
−244
−234
(Ω)
BUFFER
IN
V
CC
|ZOSC
4920
2230
1610
1130
957
804
695
615
533
495
450
413
376
350
329
308
292
278
263
247
238
= 3.0V (T
(Ω)
LMX2346/7SLB OSC
IN
IN
|
ZOSC
IMPEDANCE (R_OPT set to 5 MHz–50 MHz)
POWERED-DOWN MODE
A
Real
200
(Ω)
80
60
35
28
33
30
28
27
24
23
22
22
21
20
19
18
19
18
18
17
= 25˚C)
IN
OSC
ZOSC
−6100
−3000
−1900
−1400
−1150
Imag-
IN
inary
−958
−835
−738
−638
−580
−537
−485
−447
−417
−391
−365
−342
−326
−309
−290
−277
(Ω)
BUFFER
IN
IN
IMPEDANCE (R_OPT set to 5 MHz–50 MHz)
|ZOSC
6100
3000
1900
1400
1150
959
836
739
639
580
537
485
448
418
392
365
342
327
310
291
278
(Ω)
15
IN
|
ZOSC
1250
Real
310
170
105
(Ω)
NORMAL OPERATION
78
66
58
52
48
43
40
38
37
36
35
33
32
32
31
30
30
IN
OSC
ZOSC
−4100
−1950
−1360
−1050
Imag-
IN
inary
−840
−704
−610
−538
−478
−422
−386
−354
−327
−303
−285
−266
−250
−236
−224
−212
−203
(Ω)
BUFFER
IN
V
CC
|ZOSC
4290
1970
1370
1060
844
707
613
541
480
424
388
356
329
305
287
268
252
238
226
214
205
= 5.5V (T
(Ω)
IN
|
ZOSC
POWERED-DOWN MODE
A
Real
100
130
(Ω)
50
32
28
28
28
28
22
21
20
18
19
18
16
16
15
16
15
15
14
= 25˚C)
OSC
IN
ZOSC
−6200
−2750
−1970
−1380
−1130
Imag-
IN
inary
−945
−818
−722
−630
−570
−520
−478
−442
−410
−385
−360
−336
−318
−304
−285
−272
(Ω)
BUFFER
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IN
|ZOSC
6200
2750
1970
1380
1130
945
818
723
630
570
520
478
442
410
385
360
336
318
304
285
272
(Ω)
IN
|