lmx2505lq1321 National Semiconductor Corporation, lmx2505lq1321 Datasheet - Page 5

• Manufacturer Part Number: lmx2505lq1321
• Description: Pllatinu 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.
2nd Harmonic Suppression
3rd Harmonic Suppression
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.
2nd Harmonic Suppression
3rd Harmonic Suppression
Spurious Tones
(V
IN
= 2.8 V, refer to Typical Application Circuit; Limits in standard typeface are for
Condition
@
@
@
@
@
@
@
@
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.
Between bands High Speed
Mode.
Full frequency span within
each band in Normal Mode.
Between bands in Normal
Mode.
@
@
@
@
@
@
@
@
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
≤ 25 kHz offset
25 kHz
50 kHz
offset
>
>
<
<
<
<
100 kHz
100 kHz
offset ≤ 50 kHz
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)
Max
-103
-101
-113
-111
-135
-133
-103
-101
-113
-111
-135
-133
768
300
300
500
375
500
400
-93
-91
-25
-20
-45
-60
-69
-75
-93
-91
-25
-20
-45
-60
-69
-75
-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
dBc
dBc
µs
µs
µs
µs
µs
µs