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LMX2430 bảng dữ liệu(PDF) 8 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
tên linh kiện LMX2430
Giải thích chi tiết về linh kiện  PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
PDF  49 Pages
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nhà sản xuất  NSC [National Semiconductor (TI)]
Trang chủ  http://www.national.com
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Electrical Characteristics (Continued)
Vcc = EN = 2.5V, −40˚C
≤ T
A
≤ +85˚C, unless otherwise specified
Symbol
Parameter
Conditions
Value
Units
Min
Typ
Max
IF SYNTHESIZER PARAMETERS
I
CPoutIF
TRI
IF Charge Pump Output TRI-STATE
Current
0.5V
≤ V
CPoutIF
≤ Vcc - 0.5V
(Note 6)
-2.5
2.5
nA
I
CPoutIF
%MIS
IF Charge Pump Output Sink Current
Vs Charge Pump Output Source
Current Mismatch
V
CPoutIF = Vcc/2
(Note 7)
310
%
I
CPoutIF
%V
CPoutIF
IF Charge Pump Output Current
Magnitude Variation Vs Charge Pump
Output Voltage
0.5V
≤ V
CPoutIF
≤ Vcc - 0.5V
(Note 7)
515
%
I
CPoutIF
%T
A
IF Charge Pump Output Current
Magnitude Variation Vs Temperature
V
CPoutIF = Vcc/2
(Note 7)
2%
OSCILLATOR PARAMETERS
f
OSCin
Oscillator Operating Frequency
1
256
MHz
v
OSCin
Oscillator Sensitivity
(Note 8)
0.5
Vcc
V
PP
I
OSCin
Oscillator Input Current
V
OSCin = Vcc
100
µA
V
OSCin = 0V
-100
µA
DIGITAL INTERFACE (DATA, CLK, LE, EN, ENosc, Ftest/LD, FLoutRF, OSCout/ FLoutIF)
V
IH
High-Level Input Voltage
1.6
V
V
IL
Low-Level Input Voltage
0.4
V
I
IH
High-Level Input Current
V
IH = Vcc
1.0
µA
I
IL
Low-Level Input Current
V
IL = 0V
−1.0
µA
V
OH
High-Level Output Voltage
I
OH = −500 µA
V
CC −
0.4
V
V
OL
Low-Level Output Voltage
I
OL = 500 µA
0.4
V
MICROWIRE INTERFACE
t
CS
DATA to CLK Set Up Time
(Note 9)
50
ns
t
CH
DATA to CLK Hold Time
(Note 9)
10
ns
t
CWH
CLK Pulse Width HIGH
(Note 9)
50
ns
t
CWL
CLK Pulse Width LOW
(Note 9)
50
ns
t
ES
CLK to LE Set Up Time
(Note 9)
50
ns
t
EW
LE Pulse Width
(Note 9)
50
ns
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