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参数资料
| 型号： | LMX2377UTMX/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 2500 MHz, PDSO20 |
| 封装： | PLASTIC, TSSOP-20 |
| 文件页数： | 42/44页 |
| 文件大小： | 3181K |
| 代理商： | LMX2377UTMX/NOPB |
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Absolute Maximum Ratings (Notes 1,
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Power Supply Voltage
V
CC to GND
0.3V to +6.5V
V
P Main to GND
0.3V to +6.5V
V
P Aux to GND
0.3V to +6.5V
Voltage on any pin to GND (V
I)
V
I must be < +6.5V
0.3V to V
CC+0.3V
Storage Temperature Range (T
S)
65C to +150C
Lead Temperature (solder 4 s) (T
L)
+260C
TSSOP
θ
JA Thermal Impedance
114.5C/W
CSP
θ
JA Thermal Impedance
112C/W
Recommended Operating
Conditions (Note 1)
Power Supply Voltage
V
CC to GND
+2.7V to +5.5V
V
P Main to GND
V
CC to +5.5V
V
P Aux to GND
V
CC to +5.5V
Operating Temperature (T
A)
40C to +85C
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to
the device may occur. Recommended Operating Conditions indicate condi-
tions for which the device is intended to be functional, but do not guarantee
specific performance limits. For guaranteed specifications and test condi-
tions, refer to the Electrical Characteristics section. The guaranteed specifi-
cations apply only for the 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 protected work stations.
Note 3: GND=0V
Electrical Characteristics
V
CC =VP Main = VP Aux = Vc = 3.0V, 40C
≤ T
A
≤ +85C, unless otherwise specified
Symbol
Parameter
Conditions
Value
Units
Min
Typ
Max
I
CC PARAMETERS
I
CCMain + Aux
Power Supply Current, Main + Aux
Synthesizers
Clock, Data and LE = GND
OSC
in = GND
PWDN Main Bit = 0
PWDN Aux Bit = 0
3.5
4.6
mA
I
CCMain
Power Supply Current, Main
Synthesizer Only
Clock, Data and LE = GND
OSC
in = GND
PWDN Main Bit = 0
PWDN Aux Bit = 1
2.3
3.0
mA
I
CCAux
Power Supply Current, Aux
Synthesizer Only
Clock, Data and LE = GND
OSC
in = GND
PWDN Main Bit = 1
PWDN Aux Bit = 0
1.0
1.6
mA
I
CC-PWDN
Powerdown Current
Clock, Data and LE = GND
OSC
in = GND
PWDN Main Bit = 1
PWDN Aux Bit = 1
1.0
10.0
A
MAIN SYNTHESIZER PARAMETERS
f
IN Main
Main Operating
Frequency
500
2500
MHz
N
Main
Main N Divider Range
Prescaler = 16/17
48
131087
Prescaler = 32/33
96
262143
R
Main
Main R Divider Range
2
32767
FφMain
Main Phase Detector Frequency
10
MHz
Pf
IN Main
Main Input Sensitivity
2.7V
≤ V
CC
≤ 3.0V
15
0
dBm
3.0V < V
CC
≤ 5.5V
10
0
dBm
LMX2377U
www.national.com
7
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