LMX2485 National Semiconductor Corporation, LMX2485 Datasheet - Page 4

• Manufacturer Part Number: LMX2485
• Description: 50 Mhz - 3.0 Ghz High Performance Delta-sigma Low Power Dual Pllatinum 50 Mhz - 3.0 Ghz High Performance Delta-sigma Low Power Dual Pllatinum? Frequency Synthesizers With 800 Mhz Integer Pll
• Manufacturer: National Semiconductor Corporation

www.national.com
RF SYNTHESIZER PARAMETERS
I
I
| I
| I
| I
IF SYNTHESIZER PARAMETERS
f
p
f
I
I
I
| I
| I
| I
OSCILLATOR PARAMETERS
f
v
I
SPURS
CPoutRF
CPoutRF
FinIF
COMP
CPoutIF
CPoutIF
CPoutIF
OSCin
OSCin
OSCin
FinIF
Electrical Characteristics
CPoutRF
CPoutRF
CPoutRF
CPoutIF
CPoutIF
CPoutIF
Symbol
SRCE
SINK
TRI
SINK
TRI
%MIS |
%V |
%TEMP
%MIS |
%V |
%T |
RF Charge Pump Sink
Current
(Note 5)
RF Charge Pump
TRI-STATE Current
Magnitude
Magnitude of RF CP
Sink vs. CP Source
Mismatch
Magnitude of RF CP
Current vs. CP Voltage
Magnitude of RF CP
Current vs. Temperature
Operating Frequency
IF Input Sensitivity
Phase Detector
Frequency
IF Charge Pump Source
Current
IF Charge Pump Sink
Current
IF Charge Pump
TRI-STATE Current
Magnitude
Magnitude of IF CP Sink
vs. CP Source Mismatch
Magnitude of IF CP
Current vs. CP Voltage
Magnitude of IF CP
Current vs. Temperature
Oscillator Operating
Frequency
Oscillator Input
Sensitivity
Oscillator Input Current
Spurs in band
Parameter
(V
RF_CPG = 0
V
RF_CPG = 1
V
...
RF_CPG = 15
V
0.5 ≤ V
V
T
0.5 ≤ V
T
V
V
V
0.5 ≤ V
V
T
0.5 ≤ V
T
V
OSC2X = 0
OSC2X = 1
(Note 6)
A
A
A
A
CPoutRF
CPoutRF
CPoutRF
CPoutRF
CPoutRF
CPoutIF
CPoutIF
CPoutIF
CPoutIF
CC
= 25˚C
= 25˚C
= 25˚C
= 25˚C
= 3.0V; -40˚C ≤ T
CPoutRF
CPoutRF
CPoutIF
CPoutIF
= V
= V
= V
= V
= V
= V
= V
= V
= V
CC
CC
CC
CC
CC
CC
CC
CC
CC
Conditions
≤ V
≤ V
/2
/2
/2
/2
≤ V
≤ V
/2
/2
/2
/2
/2
CC
CC
CC
CC
RF_CPG
RF_CPG ≤ 2
4
RF -0.5
-0.5
-0.5
-0.5
A
≤ +85˚C unless otherwise specified) (Continued)
>
2
-100
Min
-10
0.5
75
5
5
Value
-1520
-190
Typ
-3.5
-95
-55
3.5
...
2
3
3
2
4
2
1
4
4
Max
V
800
110
100
10
10
13
10
10
10
20
8
5
8
CC
Units
MHz
dBm
MHz
MHz
MHz
V
dBc
mA
mA
µA
µA
µA
µA
nA
nA
µA
%
%
%
%
%
%
%
P-P