lmx2532 National Semiconductor Corporation, lmx2532 Datasheet - Page 5

• Manufacturer Part Number: lmx2532
• Description: Pllatinum Frequency Synthesizer System With Integrated Vcos
• Manufacturer: National Semiconductor Corporation

Symbol
GPS VCO
f
p
L(f)
IF PLL
f
p
f
I
DIGITAL INTERFACE (DATA, CLK, LE, LD, CE)
V
V
I
I
V
V
RFout
Fin
ΦIF
CPout
IH
IL
RFout
Fin
Electrical Characteristics
IH
IL
OH
OL
Parameter
Operating Frequency LMX2522LQ1635
Output Power
Lock Time (Note 7)
Reference Spurs
RMS Phase Error
Phase Noise
2nd Harmonic Suppression
3rd Harmonic Suppression
Operating Frequency
(Note 8)
IF Input Sensitivity
Phase Detector Frequency
Charge Pump Current
High-Level Input Voltage
Low-Level Input Voltage
High-Level Input Current
Low-Level Input Current
Input Capacitance
High-Level Output Voltage
Low-Level Output Voltage
Output Capacitance
LMX2532LQ0967
LMX2532LQ1065
LMX2522LQ1635
LMX2532LQ0967
LMX2532LQ1065
(V
CC
= V
DD
= 2.8 V, T
Conditions
GPS VCO
OB_CRL [1:0] = 11
OB_CRL [1:0] = 10
OB_CRL [1:0] = 01
OB_CRL [1:0] = 00
From RF to GPS PLL
RF PLL in all band
@
@
IF_FREQ [1:0] = 10,
Default Value
IF_FREQ [1:0] = 00,
Default Value
IF_FREQ [1:0] = 01,
Default Value
IF_CUR [1:0] = 00
IF_CUR [1:0] = 01
IF_CUR [1:0] = 10
IF_CUR [1:0] = 11
100 kHz offset
1.25 MHz offset
5
A
= 25 ˚C; unless otherwise noted.) (Continued)
0.8 V
0.8 V
0.9 V
0.9 V
Min
-10
-10
-10
-2
-5
-7
-9
0
0
DD
CC
DD
CC
1355.04
1490.04
1391.82
440.76
170.76
367.20
-113
-138
Typ
600
120
100
200
300
800
1.3
-2
-4
-6
1
3
0.2 V
0.2 V
0.1 V
0.1 V
Max
-112
-136
V
V
800
-75
-25
-20
10
10
-1
-3
4
1
0
5
DD
CC
DD
CC
DD
CC
www.national.com
degrees
dBc/Hz
dBc/Hz
Units
MHz
MHz
MHz
dBm
dBm
dBm
dBm
MHz
MHz
MHz
dBm
dBc
dBc
dBc
kHz
µA
µA
µA
µA
µA
µA
pF
pF
µs
V
V
V
V
V
V
V
V