參數(shù)資料
型號(hào)： LMX2350TM/NOPB
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： PLL合成/DDS/VCOs
英文描述： PLL FREQUENCY SYNTHESIZER, 2500 MHz, PDSO24
封裝： PLASTIC, TSSOP-24
文件頁數(shù)： 16/21頁
文件大?。?/td> 405K
代理商： LMX2350TM/NOPB
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
Parameter
Symbol
Min
Typ
Max
Units
Power Supply Voltage
Vcc
RF
-0.3
6.5
V
Vcc
IF
-0.3
6.5
V
Vp
RF
-0.3
6.5
V
Vp
IF
-0.3
6.5
V
Voltage on any pin with GND = 0 volts
Vi
-0.3
Vcc + 0.3
V
Storage Temperature Range
Ts
-65
+150
C
Lead Temperature (Solder 4 sec.)
T
L
+260
C
Recommended Operating Conditions
Value
Parameter
Symbol
Min
Typ
Max
Units
Power Supply Voltage
Vcc
RF
2.7
5.5
V
Vcc
IF
Vcc
RF
Vcc
RF
V
Vp
RF
Vcc
5.5
V
Vp
IF
Vcc
5.5
V
Operating Temperature
TA
-40
+ 85
C
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
Electrical Characteristics. The guaranteed specifications apply only for the
test conditions listed.
Note 2: This Device is a high performance RF integrated circuit with an ESD
rating < 2 KV and is ESD sensitive. Handling and assembly of this device
should only be done at ESD-free workstations.
Electrical Characteristics (V
ccRF=VccIF=VPRF=VPIF= 3.0V; 40 C < TA< 85 C except as specified)
Sym-
bol
Parameter
Conditions
Min
Typ
Max
Units
General
I
cc
Power Supply Current
LMX2350
RF and IF,
V
cc= 2.7V to 5.5V
6.5
8.75
mA
LMX2352
RF and IF,
V
cc= 2.7V to 5.5V
4.75
6.0
mA
LMX2350/52
IF only, V
cc= 2.7V to 5.5V
1
2.2
mA
I
CC-PWDN
Power Down Current
RF_EN = IF_EN = LOW
5
20
A
f
in RF
RF Operating
LMX2350
Prescaler = 32 (Note 3)
1.2
2.5
GHz
Frequency
Prescaler = 16 (Note 3)
0.5
1.2
GHz
LMX2352
Prescaler = 16 (Note 3)
0.5
1.2
GHz
Prescaler = 8 (Note 3)
0.25
0.5
GHz
f
in IF
IF Operating Frequency
10
550
MHz
f
OSC
Oscillator Frequency
No load on OSCx (Note 3)
2
50
MHz
With resonator load on
OSCx (Note 3)
2
20
MHz
f
φ
Phase Detector Frequency
RF and IF
10
MHz
Pf
in RF
RF Input Sensitivity
2.7V
≤V
CC ≤3.0V
15
0
dBm
3.0V
≤V
CC ≤5.5V
10
0
dBm
Pf
in IF
IF Input Sensitivity
2.7 V
≤V
CC≤ 5.5V
10
0
dBm
V
OSC
Oscillator Sensitivity
OSCin, OSCx
0.5
V
CC
V
PP
LMX2350/LMX2352
www.national.com
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