參數(shù)資料
型號: LMX2364TMX/NOPB
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 2600 MHz, PDSO24
封裝: TSSOP-24
文件頁數(shù): 36/39頁
文件大?。?/td> 694K
代理商: LMX2364TMX/NOPB
Electrical Characteristics (V
Vcc =VVcp = 3.0V; 40C
≤ T
A
≤ +85C except as specified) (Continued)
Symbol
Parameter
Conditions
Value
Units
Min
Typ
Max
OSCILLATOR PARAMETERS
f
OSC
Oscillator Operating
Frequency
2
110
MHz
v
OSC
Oscillator Sensitivity
OSCinRF, OSCinIF
0.5
V
Vcc
V
I
OSC
Oscillator Input Current
V
OSC =VVcc
100
A
V
OSC = 0V
100
A
DIGITAL INTERFACE (DATA, CLK, LE, ENIF, ENRF, Ftest/LD, FLoutRF, FLoutIF)
V
IH
High-Level Input Voltage
2.7
≤ V
Vcc
≤ 3.2
1.6
V
3.2< V
Vcc
≤ 5.5
2
V
IL
Low-Level Input Voltage
0.4
V
I
IH
High-Level Input Current
V
IH =VCC
1.0
A
I
IL
Low-Level Input Current
V
IL = 0
1.0
A
V
OH
High-Level Output Voltage
I
OH = 500 A
V
CC 0.4
V
OL
Low-Level Output Voltage
I
OL = 500 A
0.4
V
MICROWIRE INTERFACE TIMING
T
CS
Data to Clock Set Up Time
See Data Input Timing
50
ns
T
CH
Data to Clock Hold Time
See Data Input Timing
10
ns
T
CWH
Clock Pulse Width High
See Data Input Timing
50
ns
T
CWL
Clock Pulse Width Low
See Data Input Timing
50
ns
T
ES
Clock to Load Enable Set
Up Time
See Data Input Timing
50
ns
T
EW
Load Enable Pulse Width
See Data Input Timing
50
ns
PHASE NOISE
L
F1Hz(f) RF
RF Synthesizer’s
Normalized Phase Noise
Contribution, Fractional
RF_OM = 1 (Fractional Mode)
f=3KHz
TCXO Reference Source
RF_CP=1(4mA)
V
ENIF = LOW
208
dBc/Hz
RF Synthesizer’s
Normalized Phase Noise
Contribution, Integer Mode
RF_OM = 0 (Integer Mode)
f=3KHz
TCXO Reference Source
RF_CP=2(4mA)
V
ENIF = LOW
215
dBc/Hz
L
F1Hz(f) IF
IF Synthesizer’s
Normalized Phase Noise
Contribution (Note 4)
f=3KHz
TCXO Reference Source
IF_CP = 1 (800 mA)
V
ENRF = LOW
212
dBc/Hz
Note 3: Some reference divider ratios between the minimum and maximum are not realizable. See the section on R divider programming for more details.
Note 4: Normalized Phase Noise Contribution is defined as: LF1Hz(f) = L(f) – 20log(N) – 10log(fCOMP) where L(f) is defined as the single side band phase noise
measured at an offset frequency, f, ina1Hz Bandwidth. The offset frequency, f, must be chosen sufficiently smaller than the PLL’s loop bandwidth, yet large enough
to avoid substantial phase noise contribution from the reference source.
LMX2364
www.national.com
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