lmx2525 National Semiconductor Corporation, lmx2525 Datasheet - Page 5

• Manufacturer Part Number: lmx2525
• Description: Pllatinum Dual Frequency Synthesizer System With Integrated Vcos
• Manufacturer: National Semiconductor Corporation

Symbol
RF1 VCO FOR PDC1500
L(f)
RF2 VCO FOR PDC800
f
P
L(f)
RF2out
RF2out
Electrical Characteristics
T
noted.) (Continued)
A
RF1out
RF2out
= 25 ˚C; Limits in boldface type apply over the operating temperature range from -20 ˚C ≤ T
Parameter
Phase Noise when RF1 VCO for
PDC1500 is activated in Normal
Mode (HS = 0).
2
3
Spurious Tones
Frequency Range (Note 8)
Output Power
Lock Time
RMS Phase Error
Phase Noise when RF2 VCO for
PDC800 is activated in Normal Mode
(HS = 0).
2
3
nd
rd
nd
rd
Harmonic Suppression
Harmonic Suppression
Harmonic Suppression
Harmonic Suppression
(V
IN
= 2.8 V, refer to Typical Application Circuit; Limits in standard typeface are for
Condition
@
@
@
@
OB_CRL [1:0] = 11, 10, 01
OB_CRL [1:0] = 00
@
@
@
@
RF2 VCO for PDC800
OB_CRL [1:0] = 11
OB_CRL [1:0] = 10
OB_CRL [1:0] = 01
OB_CRL [1:0] = 00
Full frequency span within
each band in High Speed
Mode (HS = 1).
Between bands High Speed
Mode (HS = 1).
Full frequency span within
each band in Normal Mode
(HS = 0).
(Note 11)
Between bands in Normal
Mode (HS = 0).
@
@
@
@
OB_CRL[1:0] = 11, 10, 01
OB_CRL[1:0] = 00
25 kHz offset
50 kHz offset
100 kHz offset
1 MHz offset
≤ 25 kHz offset
25 kHz
50 kHz
offset
25 kHz offset
50 kHz offset
100 kHz offset
1 MHz offset
>
<
<
100 kHz
offset ≤ 50 kHz
offset ≤ 100 kHz
5
633.15
Min
-11
-15
-6
-9
A
-106
-115
-106
-115
≤ 75 ˚C unless otherwise
Typ
-95
-12
1.3
-95
-3
-6
-8
(Note 10)
(Note 10)
(Note 9)
(Note 9)
(Note 9)
(Note 9)
768.00
Max
-103
-101
-113
-111
-135
-133
-103
-101
-113
-111
-135
-133
300
300
500
375
500
400
-93
-91
-25
-20
-14
-11
-45
-60
-69
-75
-93
-91
-25
-20
-14
-11
-3
-5
-9
0
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degrees
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
Units
MHz
dBm
dBm
dBm
dBm
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
µs
µs
µs
µs
µs
µs