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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) |
| 文件頁數(shù)： | 3/37頁 |
| 文件大?。?/td> | 856K |
| 代理商： | LMX2487 |
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Absolute Maximum Ratings
(Notes 1, 2)
Parameter
Symbol
Value
Typ
Units
Min
-0.3
-0.3
-65
Max
4.25
V
CC
+0.3
+150
+260
Power Supply Voltage
Voltage on any pin with GND = 0V
Storage Temperature Range
Lead Temperature (Solder 4 sec.)
V
CC
V
i
T
s
T
L
V
V
C
C
Recommended Operating Conditions
Parameter
Symbol
Value
Typ
3.0
25
Units
Min
2.5
-40
Max
3.6
+85
Power Supply Voltage (Note 1)
Operating Temperature
V
CC
T
A
V
C
Note 1:
“Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur. "Recommended Operating Conditions" indicate conditions for
which the device is intended to be functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical
Characteristics. The guaranteed specifications apply only for the test conditions listed. The voltage at all the power supply pins of VddRF1, VddRF2, VddRF3,
VddRF4, VddRF5, VddIF1 and VddIF2 must be the same. V
CC
will be used to refer to the voltage at these pins and I
CC
will be used to refer to the sum of all currents
through all these power pins.
Note 2:
This Device is a high performance RF integrated circuit with an ESD rating
<
2 kV and is ESD sensitive. Handling and assembly of this device should only
be done at ESD-free workstations.
Electrical Characteristics
(V
CC
= 3.0V; -40C
≤
T
A
≤
+85C unless otherwise specified)
Symbol
Parameter
Conditions
Value
Typ
Units
Min
Max
Icc PARAMETERS
I
CC
RF
Power Supply Current,
RF Synthesizer
IF PLL OFF
RF PLL ON
Charge Pump TRI-STATE
IF PLL ON
RF PLL OFF
Charge Pump TRI-STATE
IF PLL ON
RF PLL ON
Charge Pump TRI-STATE
CE = ENOSC = 0V
CLK, DATA, LE = 0V
5.7
mA
I
CC
IF
Power Supply Current,
IF Synthesizer
2.5
mA
I
CC
TOTAL
Power Supply Current,
Entire Synthesizer
8.5
mA
I
CC
PD
Power Down Current
<
1
μA
RF SYNTHESIZER PARAMETERS
f
FinRF
Operating
Frequency
Input Sensitivity
Phase Detector
Frequency
(Note 3)
LMX2487
RF_P = 16
RF_P = 32
3000 - 6000 MHz
3000
3000
-10
4000
6000
0
MHz
p
FinRF
dBm
f
COMP
50
MHz
I
CPoutRF
SRCE
RF Charge Pump
Source 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
L
www.national.com
3
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