參數(shù)資料
型號(hào)： LMX2370TMX/NOPB
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： PLL合成/DDS/VCOs
英文描述： PLL FREQUENCY SYNTHESIZER, 2500 MHz, PDSO20
封裝： PLASTIC, TSSOP-20
文件頁(yè)數(shù)： 21/25頁(yè)
文件大?。?/td> 577K
代理商： LMX2370TMX/NOPB
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
CC1
0.3V to 6.5V
V
CC2
0.3V to 6.5V
Vp1
0.3V to 6.5V
Vp2
0.3V to 6.5V
Vc
0.3V to 6.5V
Voltage on any pin with
GND=0V (V
I)
0.3V to V
CC +0.3V
Storage Temperature Range (T
S)
65C to +150C
Lead Temperature (solder, 4 sec.) (T
L)
+260C
ESD - Human Body Model (Note 2)
< 2 keV
Recommended Operating
Conditions (Note 3)
Power Supply Voltage
V
CC1
2.7V to 5.5V
V
CC2
2.7V to 5.5V
V
CC1–VCC2
0.2V to 0.2V
Vp1
V
CC to 5.5V
Vp2
V
CC to 5.5V
Vc
1.72V to V
CC
Operating Temperature (T
A)
40C to +85C
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 and is ESD
sensitive. Handling and assembly of this device should only be done at ESD
free workstations.
Note 3: VCC is defined as VCC =VCC1=VCC2.
Electrical Characteristics (V
CC = Vp = Vc = 3.0V; 40C < TA < 85C except as specified).
GENERAL
Value
Unit
Symbol
Parameter
Conditions
Min
Typ
Max
I
CC
Power Supply Current
Main = On, Aux = On
6
8.5
mA
Aux Only
2
3.25
mA
I
CC-PWDN
Power Down Current
EN_Main, EN_Aux = 0
15
50
A
f
IN1
Main PLL Operating Frequency
P = 32/33
1.2
2.5
GHz
P = 16/17
45
1200
MHz
f
IN2
Auxiliary PLL Operating
Frequency
P = 16/17
45
1200
MHz
P = 8/9
45
550
MHz
f
φ
Phase Detector Frequency
10
MHz
Pf
IN1, PfIN2
RF Input Sensitivity
2.7
≤ V
CC
≤ 3.6V
15
0
dBm
3.6
≤ V
CC
≤ 5.5V
10
0
dBm
OSCILLATOR INPUT
Value
Unit
Symbol
Parameter
Conditions
Min
Typ
Max
OSC
in
Reference Oscillator Input
Operating Frequency
2
50
MHz
V
OSC
Oscillator Input Sensitivity
OSC
in
0.5
V
CC
V
PP
I
IH
OSC
in Input Current
V
IH =VCC = 5.5V
100
A
I
IL
OSC
in Input Current
V
IL =0,VCC = 5.5V
100
A
CHARGE PUMP
Value
Unit
Symbol
Parameter
Conditions
Min
Typ
Max
ICP
o-source
Main and Auxiliary Charge
Pump Output Current (Note 4)
VCP
o = Vp/2, ICPo_4X = 0
- 1.0
mA
ICP
o-sink
VCP
o = Vp/2, ICPo_4X = 0
1.0
mA
ICP
o-source
VCP
o = Vp/2, ICPo_4X = 1
- 4.0
mA
ICP
o-sink
VCP
o = Vp/2, ICPo_4X = 1
4.0
mA
ICP
o-TRI
Charge Pump TRI-STATE
Current
0.5
≤ VCP
o
≤ Vp 0.5,
40C < T
A < 85C
2.5
0.1
2.5
nA
ICP
o-sink vs
ICP
o-source
CP Sink vs Source Mismatch
VCP
o = Vp/2, TA = 25C
310
%
ICP
o vs
VCP
o
CP Current vs Voltage
0.5
≤ VCP
o
≤ Vp 0.5, T
A = 25C
815
%
LMX2370
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