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參數(shù)資料
| 型號： | LMX2531LQ1500EX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 80 MHz, QCC36 |
| 封裝： | 6 X 6 MM, 0.8 MM, LCC-36 |
| 文件頁數(shù)： | 20/24頁 |
| 文件大?。?/td> | 458K |
| 代理商： | LMX2531LQ1500EX |
Electrical Characteristics (V
CC = 3.0 V, -40°C ≤ TA ≤ 85 °C; fFout = 1500 MHz, except as specified.)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Current Consumption
I
CC
Power Supply Current
Divider Disabled
34
41
mA
Divider Enabled
37
46
I
CCPD
Power Down Current
CE = 0 V, Part Initialized
7
A
Oscillator
I
IHOSC
Oscillator Input High Current
V
IH = 2.75 V
100
A
I
ILOSC
Oscillator Input Low Current
V
IL = 0
-100
A
f
OSCin
Frequency Range
5
80
MHz
v
OSCin
Oscillator Sensitivity
0.5
2.0
Vpp
PLL
f
COMP
Phase Detector Frequency
32
MHz
I
CPout
Charge Pump
Output Current Magnitude
ICP = 0
90
A
ICP = 1
180
A
ICP = 3
360
A
ICP = 15
1440
A
I
CPoutTRI
CP TRI-STATE Current
0.4 V < V
CPout < 2.0 V
2
10
nA
I
CPoutMM
Charge Pump
Sink vs. Source Mismatch
V
CPout = 1.2 V
T
A = 25°C
2
8
%
I
CPoutV
Charge Pump
Current vs. CP Voltage Variation
0.4 V < V
CPout < 2.0 V
T
A = 25°C
4
%
I
CPoutT
CP Current vs. Temperature
Variation
V
CPout = 1.2 V
8
%
LN(f)
Normalized Phase Noise
Contribution
(Note 2)
ICP = 1X Charge Pump Gain
4 kHz Offset
-202
dBc/Hz
ICP = 16X Charge Pump Gain
4 kHz Offset
-212
5
www.national.com
LMX2531LQ1500E
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