參數(shù)資料
型號: LMX2531LQ1500E
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: XO, clock
英文描述: High Performance Frequency Synthesizer System with Integrated VCO
中文描述: PLL FREQUENCY SYNTHESIZER, 80 MHz, QCC36
封裝: 6 X 6 MM, 0.80 MM HEIGHT, LEAD FREE, LLP-36
文件頁數(shù): 6/23頁
文件大?。?/td> 561K
代理商: LMX2531LQ1500E
Electrical Characteristics
(V
CC
= 3.0 V, -40C
T
A
85 C; f
Fout
= 1500 MHz, except as specified.)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Current Consumption
Divider Disabled
Divider Enabled
CE = 0 V, Part Initialized
Oscillator
V
IH
= 2.75 V
I
CC
Power Supply Current
34
37
7
41
46
mA
I
CC
PD
Power Down Current
μA
I
IH
OSC
I
IL
OSC
f
OSCin
v
OSCin
Oscillator Input High Current
Oscillator Input Low Current
Frequency Range
Oscillator Sensitivity
100
μA
μA
MHz
Vpp
V
IL
= 0
-100
5
0.5
80
2.0
PLL
f
COMP
Phase Detector Frequency
32
MHz
μA
μA
μA
μA
nA
I
CPout
Charge Pump
Output Current Magnitude
ICP = 0
ICP = 1
ICP = 3
ICP = 15
90
180
360
1440
2
I
CPout
TRI
CP TRI-STATE Current
Charge Pump
Sink vs. Source Mismatch
Charge Pump
Current vs. CP Voltage Variation
CP Current vs. Temperature
Variation
0.4 V
<
V
CPout
<
2.0 V
V
CPout
= 1.2 V
T
A
= 25C
0.4 V
<
V
CPout
<
2.0 V
T
A
= 25C
10
I
CPout
MM
2
8
%
I
CPout
V
4
%
I
CPout
T
V
CPout
= 1.2 V
8
%
LN(f)
Normalized Phase Noise
Contribution
(Note 2)
ICP = 1X Charge Pump Gain
4 kHz Offset
ICP = 16X Charge Pump Gain
4 kHz Offset
-202
dBc/Hz
-212
L
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