LMX2346 National Semiconductor Corporation, LMX2346 Datasheet - Page 16

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

www.national.com
(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
1500
Real
390
190
110
(Ω)
NORMAL OPERATION
83
62
53
50
44
39
35
33
30
30
28
27
27
27
25
24
24
OSC
IN
ZOSC
−5750
−2700
−2010
−1510
−1210
Imag-
IN
inary
−972
−842
−743
−658
−597
−541
−490
−459
−420
−394
−369
−349
−330
−312
−294
−280
(Ω)
BUFFER
IN
V
CC
|ZOSC
5940
2730
2020
1510
1210
974
844
745
659
598
542
491
460
421
395
370
350
331
313
295
281
= 3.0V (T
(Ω)
LMX2346/7SLB OSC
IN
IN
|
ZOSC
IMPEDANCE (R_OPT set to 50 MHz–104 MHz)
POWERED-DOWN MODE
A
Real
150
110
(Ω)
70
30
30
32
31
29
26
24
23
23
22
21
20
19
19
19
18
18
18
= 25˚C)
IN
OSC
ZOSC
−6400
−3000
−2000
−1400
−1150
Imag-
IN
inary
−967
−835
−736
−640
−595
−538
−485
−450
−417
−392
−366
−342
−323
−309
−290
−278
(Ω)
BUFFER
IN
IN
IMPEDANCE (R_OPT set to 50 MHz–104 MHz)
|ZOSC
6400
3000
2000
1400
1150
968
836
737
641
595
538
486
451
418
393
366
343
324
310
291
279
(Ω)
16
IN
|
ZOSC
1800
Real
450
190
130
(Ω)
NORMAL OPERATION
85
72
59
50
44
37
33
30
28
26
25
23
21
21
21
19
19
IN
OSC
ZOSC
−5200
−2600
−1660
−1350
−1100
Imag-
IN
inary
−926
−802
−705
−630
−558
−510
−468
−431
−402
−378
−352
−330
−311
−298
−280
−267
(Ω)
BUFFER
IN
V
CC
|ZOSC
5500
2640
1670
1360
1100
929
804
707
632
559
511
469
432
403
379
353
331
312
299
281
268
= 5.5V (T
(Ω)
IN
|
ZOSC
POWERED-DOWN MODE
A
Real
225
110
(Ω)
75
39
26
27
25
26
22
22
21
20
18
17
17
16
15
15
16
14
14
= 25˚C)
OSC
IN
ZOSC
−6200
−2700
−1850
−1390
−1120
Imag-
IN
inary
−945
−822
−724
−630
−573
−522
−479
−441
−412
−386
−361
−338
−318
−305
−286
−274
(Ω)
BUFFER
IN
|ZOSC
6200
2700
1850
1390
1120
945
822
724
630
573
522
479
441
412
386
361
338
318
305
286
274
(Ω)
IN
|