參數(shù)資料
型號(hào): LMX2487
廠商: National Semiconductor Corporation
英文描述: 3.0 GHz - 6.0 GHz High Performance Delta-Sigma Low Power Dual PLLatinum⑩ Frequency Synthesizers with 3.0 GHz Integer PLL
中文描述: 為3.0 GHz - 6.0 GHz的高性能Δ-Σ低功耗雙PLLatinum⑩頻率合成器與整數(shù)的3.0 GHz鎖相環(huán)
文件頁(yè)數(shù): 4/37頁(yè)
文件大小: 856K
代理商: LMX2487
Electrical Characteristics
(V
CC
= 3.0V; -40C
T
A
+85C unless otherwise specified) (Continued)
Symbol
Parameter
Conditions
Value
Typ
Units
Min
Max
RF SYNTHESIZER PARAMETERS
I
CPoutRF
SINK
RF Charge Pump Sink
Current
(Note 4)
RF_CPG = 0
V
CPoutRF
= V
CC
/2
RF_CPG = 1
V
CPoutRF
= V
CC
/2
...
RF_CPG = 15
V
CPoutRF
= V
CC
/2
-95
μA
-190
μA
...
μA
-1520
μA
I
CPoutRF
TRI
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
0.5
V
CPoutRF
V
CC
-0.5
2
10
nA
| I
CPoutRF
%MIS |
V
CPoutRF
=
V
CC
/2
T
A
= 25C
0.5
V
CPoutRF
V
CC
-0.5
T
A
= 25C
RF_CPG
>
2
3
10
%
RF_CPG
2
3
13
%
| I
CPoutRF
%V |
2
8
%
| I
CPoutRF
%T |
V
CPoutRF
= V
CC
/2
4
%
IF SYNTHESIZER PARAMETERS
f
FinIF
Operating Frequency
IF_P = 8
IF_P = 16
250
250
-10
2000
3000
+5
MHz
p
FinIF
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
dBm
f
COMP
10
MHz
I
CPoutIF
SRCE
V
CPoutIF
= V
CC
/2
3.5
mA
I
CPoutIF
SINK
V
CPoutIF
= V
CC
/2
-3.5
mA
I
CPoutIF
TRI
0.5
V
CPoutIF
V
CC
RF -0.5
2
10
nA
| I
CPoutIF
%MIS |
V
CPoutIF
= V
CC
/2
T
A
= 25C
0.5
V
CPoutIF
V
CC
-0.5
T
A
= 25C
1
8
%
| I
CPoutIF
%V |
4
10
%
| I
CPoutIF
%TEMP
V
CPoutIF
= V
CC
/2
4
%
OSCILLATOR PARAMETERS
f
OSCin
Oscillator Operating
Frequency
Oscillator Input
Sensitivity
Oscillator Input Current
OSC2X = 0
OSC2X = 1
5
5
110
20
MHz
MHz
v
OSCin
0.5
V
CC
V
P-P
I
OSCin
SPURS
-100
100
μA
Spurs in band(Note 5)
-55
dBc
L
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