參數(shù)資料
型號(hào)： LMX2355SLBX
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： PLL合成/DDS/VCOs
英文描述： PLL FREQUENCY SYNTHESIZER, 2500 MHz, QCC24
封裝： PLASTIC, CSP-24
文件頁(yè)數(shù)： 19/23頁(yè)
文件大?。?/td> 403K
代理商： LMX2355SLBX
Electrical Characteristics (V
ccRF=VccIF=VPRF=VPIF= 3.0V; 40C < TA< +85C except as specified)
All min/max specifications are guaranteed by design, or test, or statistical methods. (Continued)
Symbol
Parameter
Conditions
Value
Units
Min
Typ
Max
ICPo-
source IF
IF Charge Pump Output
Current (see Programming
Description 3.1.4)
VCPo = Vp/2, CP_GAIN_8 = 0
100
A
ICPo-
sink IF
VCPo = Vp/2, CP_GAIN_8 = 0
100
A
ICPo-
source IF
VCPo = Vp/2, CP_GAIN_8 = 1
800
A
ICPo-
sink IF
VCPo = Vp/2, CP_GAIN_8 = 1
800
A
ICPo-
Tri
Charge Pump TRI-STATE
Current
0.5
≤ VCPo ≤ Vp 0.5
40C < T
A < +85C
2.5
nA
RF ICPo-
sink
vs. ICPo-
source
RF CP Sink vs. Source
Mismatch
VCPo = Vp/2 T
A = 25C
RF ICPo=900A 1.6mA
3.5
10
%
ICPo vs. VCPo
CP Current vs. Voltage
Variation
0.5
≤ VCPo ≤ Vp 0.5
T
A = 25C RF ICPo
510
%
ICPo vs. T
CP Current vs
Temperature
VCPo = Vp/2
40C < T
A < +85C RF ICPo
8%
V
CP
Charge Pump Output
Voltage (RF only)
2.7V
≤ V
CC ≤ 3.3V, Doubler
Enabled
2* V
CC
0.5
V
DIGITAL INTERFACE (DATA, CLK, LE, EN, FoLD)
V
IH
High-level Input Voltage
0.8 V
CC
V
IL
Low-level Input Voltage
0.2 V
CC
V
I
IL
Low-level Input Current
V
IL=0, VCC= 5.5V, (Note 3)
1.0
A
I
IH
High-level Input Current
V
IH=VCC= 5.5V, (Note 3)
1.0
A
I
IH
Oscillator Input Current
V
IH=VCC= 5.5V
100
A
I
IL
Oscillator Input Current
V
IL=0, VCC= 5.5V
100
A
V
OH
High-level Output Voltage
I
OH= 500 A
V
CC
0.4
V
OL
High-level Output Voltage
I
OL= 500 A
0.4
V
MICROWIRE TIMING
t
CS
Data to Clock Setup Time
See Data Input Timing
50
ns
t
CH
Data to Clock Hold Time
See Data Input Timing
10
ns
t
CWH
Clock Pulse Width High
See Data Input Timing
50
ns
t
CWL
Clock Pulse Width Low
See Data Input Timing
50
ns
t
ES
Clock to Load Enable Set
Up Time
See Data Input Timing
50
ns
t
EW
Load Enable Pulse Width
See Data Input Timing
50
ns
Note 3: except fIN, OSCIF and OSCRF
LMX2354
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