參數(shù)資料
型號： LMX2346TM/NOPB
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： PLL合成/DDS/VCOs
英文描述： PLL FREQUENCY SYNTHESIZER, 2000 MHz, PDSO16
封裝： TSSOP-16
文件頁數(shù)： 24/27頁
文件大?。?/td> 597K
代理商： LMX2346TM/NOPB
Electrical Characteristics (Continued)
The following conditions apply; V
CC =VP = 3.0V; 40C
≤ T
A
≤ 85C, unless specified differently.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
LOGICAL INTERFACE (CE, CLOCK, LE, DATA, LD)
V
IH
High-level Input Voltage
0.8 V
CC
V
IL
Low-level Input Voltage
0.2 V
CC
V
I
IH
High-level Input Current
V
IH =VCC = 5.5V
1.0
A
I
IL
Low-level Input Current
V
IL = 0V, VCC = 5.5V
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 (CLOCK, LE, DATA)
t
CS
Data to Clock Set Up Time
50
ns
t
CH
Data to Clock Hold Time
10
ns
t
CWH
Clock Pulse Width High
50
ns
t
CWL
Clock Pulse Width Low
50
ns
t
ES
Clock to Latch Enable Set Up
Time
50
ns
t
EW
Latch Enable Pulse Width
50
ns
PHASE NOISE
L(f)
Single Side-Band Phase Noise
F
IN = 900 MHz
Fφ = 200 kHz
F
OSC = 10 MHz
V
OSC = 1.0 VPP
T
A = 25C
91
dBc/Hz
F
IN = 1750 MHz
Fφ = 200 kHz
F
OSC = 10 MHz
V
OSC = 1.0 VPP
T
A = 25C
(Notes 3, 9)
86
dBc/Hz
F
IN = 1960 MHz
Fφ = 200 kHz
F
OSC = 10 MHz
V
OSC = 1.0 VPP
T
A = 25C
85
dBc/Hz
F
IN = 2450 MHz
Fφ = 200 kHz
F
OSC = 10 MHz
V
OSC = 1.0 VPP
T
A = 25C
83
dBc/Hz
L
N(f)
Normalized Single Side-Band
Phase Noise
Fφ = 200 kHz
F
OSC = 10 MHz
V
OSC = 1.0 VPP
T
A = 25C
164.5
dBc/Hz
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. For guaranteed specifications and test conditions see the Electrical Characteristics.
Note 2: This device is a high performance RF integrated circuit with an ESD rating <2 kV. Handling and assembly of this device should only be done at ESD
protected workstations.
Note 3: Phase Noise is measured using a reference evaluation board with a loop bandwidth of approximately 12 kHz. The phase noise specification is the
composite average of 3 measurements made at frequency offsets of 2.0, 2.5 and 3.0 kHz.
Note 4: See Charge Pump Measurement Definitions for detail on how these measurements are made.
Note 5: See Serial Input Data Timing.
Note 6: See FIN Sensitivity Test Setup.
Note 7: See OSCin Sensitivity Test Setup.
Note 8: Normalized Single-Side Band Phase Noise is defined as: LN(f) = L(f) 20 log (FIN/Fφ), where L(f) is defined as the Single Side-Band Phase Noise.
Note 9: This parameter is derived from Normalized Single Side-Phase Noise, Ln(f).
Note 10: For FOSC frequencies below 10 MHz, it is recommended that the rise time of the signal does not exceed 25ns.
LMX2346/LMX2347
www.national.com
6
相關(guān)PDF資料
PDF描述
LMX2346TMX/NOPB PLL FREQUENCY SYNTHESIZER, 2000 MHz, PDSO16
LMX2346SLBX/NOPB PLL FREQUENCY SYNTHESIZER, 2000 MHz, CQCC16
LMX2350TM/NOPB PLL FREQUENCY SYNTHESIZER, 2500 MHz, PDSO24
LMX2352SLB PLL FREQUENCY SYNTHESIZER, 1200 MHz, PQCC24
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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