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參數(shù)資料
| 型號： | LMX2352TM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | CAP,CER,DISC,RAD,100PF,10%,1KV |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 1200 MHz, PDSO24 |
| 封裝： | PLASTIC, TSSOP-24 |
| 文件頁數(shù)： | 4/20頁 |
| 文件大?。?/td> | 378K |
| 代理商： | LMX2352TM |
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Value
Typ
Parameter
Symbol
Vcc
RF
Vcc
IF
Vp
RF
Vp
IF
Vi
Ts
T
L
Min
-0.3
-0.3
-0.3
-0.3
-0.3
-65
Max
6.5
6.5
6.5
6.5
Units
V
V
V
V
V
C
C
Kev
Power Supply Voltage
Voltage on any pin with GND = 0 volts
Storage Temperature Range
Lead Temperature (Solder 4 sec.)
ESD - Whole Body Model (Note 2)
Vcc + 0.3
+150
+260
2
Recommended Operating Conditions
Value
Typ
Parameter
Power Supply Voltage
Symbol
Vcc
RF
Vcc
IF
Vp
RF
Vp
IF
TA
Min
2.7
Vcc
RF
Vcc
Vcc
-40
Max
5.5
Vcc
RF
5.5
5.5
+ 85
Units
V
V
V
V
C
Operating Temperature
Note 1:
“Absolute Maximum Ratings” indicate limits beyond which damage
to the device may occur. Operating Ratings indicate conditions for which the
device is intended to be functional, but do not guarantee specific perfor-
mance limits. For guaranteed specifications and test conditions, see the Elec-
trical Characteristics. The guaranteed specifications apply only for the test
conditions listed.
Electrical Characteristics
(V
cc
RF
= V
cc
IF
= V
P
RF
= V
P
IF
= 3.0V; 40 C
<
T
A
<
85 C except as specified)
Note 2:
This Device is a high performance RF integrated circuit and is ESD
sensitive. Handling and assembly of this device should only be done at ESD-
free workstations.
Sym-
bol
General
I
cc
Parameter
Conditions
Min
Typ
Max
Units
Power Supply Current
LMX2350
RF and IF,
V
cc
= 2.7V to 5.5V
RF and IF,
V
cc
= 2.7V to 5.5V
IF only, V
cc
= 2.7V to 5.5V
RF_EN = IF_EN = LOW
Prescaler = 32 (Note 3)
Prescaler = 16 (Note 3)
Prescaler = 16 (Note 3)
Prescaler = 8 (Note 3)
6.75
7.75
mA
LMX2352
5.0
6.0
mA
LMX2350/52
1.25
5
1.45
mA
μA
GHz
GHz
GHz
GHz
MHz
MHz
MHz
I
CC-PWDN
f
in
RF
Power Down Current
RF Operating
Frequency
LMX2350
1.2
0.5
0.5
0.25
10
2
2
2.5
1.2
1.2
0.5
550
50
20
LMX2352
f
in
IF
f
OSC
IF Operating Frequency
Oscillator Frequency
No load on OSCx (Note 3)
With resonator load on
OSCx (Note 3)
RF and IF
V
CC
= 3.0V
V
CC
= 5.0V
2.7 V
≤
V
CC
≤
5.5V
OSCin, OSCx
f
φ
Pf
in RF
Phase Detector Frequency
RF Input Sensitivity
10
0
0
0
V
CC
MHz
dBm
dBm
dBm
V
PP
15
10
10
0.5
Pf
in IF
V
OSC
IF Input Sensitivity
Oscillator Sensitivity
www.national.com
4
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