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LMX2486

LMX2486首页预览图
型号: LMX2486
PDF文件:
  • LMX2486 PDF文件
  • LMX2486 PDF在线浏览
功能描述: 1.0 GHz - 4.5 GHz High Performance Delta-Sigma Low Power Dual PLLatinum™ Frequency Synthesizers with 3.0 GHz Integer PLL
PDF文件大小: 1180.69 Kbytes
PDF页数: 共40页
制造商: TI1[Texas Instruments]
制造商LOGO: TI1[Texas Instruments] LOGO
制造商网址: http://www.ti.com
捡单宝LMX2486
PDF页面索引
120%
LMX2486
SNAS324 JANUARY 2006
www.ti.com
Electrical Characteristics (continued)
(V
CC
= 3.0V; -40°C T
A
+85°C unless otherwise specified)
Value
Symbol Parameter Conditions Units
Min Typ Max
RF SYNTHESIZER PARAMETERS
RF_P = 16 1000 4000
Operating
f
FinRF
LMX2486 MHz
Frequency
RF_P = 32 1000 4500
p
FinRF
Input Sensitivity -15 0 dBm
Phase Detector
f
COMP
Frequency 50 MHz
(1)
RF_CPG = 0
95 µA
V
CPoutRF
= V
CC
/2
RF_CPG = 1
RF Charge Pump
190 µA
V
CPoutRF
= V
CC
/2
I
CPoutRF
SRCE Source Current
(2)
... ... µA
RF_CPG = 15
1520 µA
V
CPoutRF
= V
CC
/2
RF_CPG = 0
-95 µA
V
CPoutRF
= V
CC
/2
RF_CPG = 1
RF Charge Pump Sink
-190 µA
V
CPoutRF
= V
CC
/2
I
CPoutRF
SINK Current
(2)
... ... µA
RF_CPG = 15
-1520 µA
V
CPoutRF
= V
CC
/2
RF Charge Pump TRI-
I
CPoutRF
TRI STATE Current 0.5 V
CPoutRF
V
CC
-0.5 2 10 nA
Magnitude
Magnitude of RF CP RF_CPG > 2 3 10 %
V
CPoutRF
= V
CC
/2
| I
CPoutRF
%MIS | Sink vs. CP Source
T
A
= 25°C
RF_CPG 2 3 13 %
Mismatch
Magnitude of RF CP 0.5 V
CPoutRF
V
CC
-0.5
| I
CPoutRF
%V | 2 8 %
Current vs. CP Voltage T
A
= 25°C
Magnitude of RF CP
| I
CPoutRF
%T | V
CPoutRF
= V
CC
/2 4 %
Current vs. Temperature
IF SYNTHESIZER PARAMETERS
IF_P = 8 250 2000
f
FinIF
Operating Frequency MHz
IF_P = 16 250 3000
p
FinIF
IF Input Sensitivity -10 +5 dBm
Phase Detector
f
COMP
10 MHz
Frequency
IF Charge Pump Source
I
CPoutIF
SRCE V
CPoutIF
= V
CC
/2 3.5 mA
Current
IF Charge Pump Sink
I
CPoutIF
SINK V
CPoutIF
= V
CC
/2 -3.5 mA
Current
IF Charge Pump TRI-
I
CPoutIF
TRI STATE Current 0.5 V
CPoutIF
V
CC
RF -0.5 2 10 nA
Magnitude
Magnitude of IF CP Sink V
CPoutIF
= V
CC
/2
| I
CPoutIF
%MIS | 1 8 %
vs. CP Source Mismatch T
A
= 25°C
Magnitude of IF CP 0.5 V
CPoutIF
V
CC
-0.5
| I
CPoutIF
%V | 4 10 %
Current vs. CP Voltage T
A
= 25°C
Magnitude of IF CP
| I
CPoutIF
%TEMP| V
CPoutIF
= V
CC
/2 4 %
Current vs. Temperature
(1) For Phase Detector Frequencies above 20 MHz, Cycle Slip Reduction (CSR) may be required. Legal divide ratios are also required.
(2) Refer to table in Section RF_CPG -- RF PLL Charge Pump Gain for complete listing of charge pump currents.
4 Submit Documentation Feedback Copyright © 2006, Texas Instruments Incorporated
Product Folder Links: LMX2486
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