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參數(shù)資料
型號(hào)： LMX2433TM
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： XO, clock
英文描述： PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
中文描述： PLL FREQUENCY SYNTHESIZER, 3600 MHz, PDSO20
封裝： PLASTIC, TSSOP-20
文件頁(yè)數(shù)： 3/49頁(yè)
文件大小： 943K
代理商： LMX2433TM
Connection Diagrams
Ultra Thin Chip Scale Package (SLE)
(Top View)
Thin Shrink Small Outline Package (TM)
(Top View)
20053539
20053583
Pin Descriptions
Pin No.
UTCSP
1
Pin No.
TSSOP
2
Pin Name
I/O
Description
GND
—
Ground for the IF PLL analog and digital circuits, MICROWIRE
TM
, Ftest/LD and
oscillator circuits.
IF PLL prescaler input. Small signal input from the VCO.
Chip Enable input. High Impedance CMOS input. When this pin is set HIGH,
the RF and IF PLLs are powered up. Powerdown is then controlled through the
MICROWIRE. When this pin is set LOW, the device is asynchronously powered
down and the charge pump output is forced to a high impedance state
(TRI-STATE).
IF PLL charge pump output. The output is connected to the external loop filter,
which drives the input of the IF VCO.
Oscillator Enable input. High impedance CMOS input. When this pin is set
HIGH, the oscillator buffer is always powered up, independent of the state of
the EN pin. When this pin is set LOW, the OSCout/ FLoutIF pin functions as an
IF Fastlock output, which connects a resistor in parallel to R2 of the external
loop filter.
Oscillator output/ IF PLL Fastlock output. The output configuration is dependent
on the state of the ENosc pin. When ENosc is set LOW, the pin functions as an
IF Fastlock output, which connects a resistor in parallel to R2 of the external
loop filter. This configuration also functions as a general purpose CMOS
TRI-STATE output. When ENosc is set HIGH, the pin functions as an oscillator
output so that an external crystal can be used.
Reference oscillator input. The input has an approximate Vcc/2 threshold and is
driven by an external AC coupled source.
Power supply bias for the RF PLL digital circuits and oscillator circuits. Vcc may
range from 2.25V to 2.75V. Bypass capacitors should be placed as close as
possible to this pin and be connected directly to the ground plane.
Programmable multiplexed output. Functions as a general purpose CMOS
TRI-STATE output, N and R divider output, RF/ IF PLL push-pull analog lock
detect output, RF/ IF PLL open-drain analog lock detect output, or RF/ IF PLL
digital filtered lock detect output.
2
3
3
4
FinIF
EN
I
I
4
5
CPoutIF
O
5
6
ENosc
I
6
7
OSCout/
FLoutIF
O
7
8
OSCin
I
8
9
Vcc
—
9
10
Ftest/LD
O
L
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相關(guān)PDF資料
PDF描述
LMX2433TMX PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
LMX2434 PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
LMX2434TM PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
LMX2434TMX PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
LMX2430SLEX PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LMX2433TM/NOPB 功能描述:鎖相環(huán) - PLL 3.6Ghz High Freq Dual Pll RoHS:否 制造商:Silicon Labs 類(lèi)型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray
LMX2433TMX 功能描述:鎖相環(huán) - PLL RoHS:否 制造商:Silicon Labs 類(lèi)型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray
LMX2433TMX/NOPB 功能描述:鎖相環(huán) - PLL RoHS:否 制造商:Silicon Labs 類(lèi)型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray
LMX2434 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
LMX2434EVAL 功能描述:時(shí)鐘和定時(shí)器開(kāi)發(fā)工具 LMX2434 EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Modules 類(lèi)型:Clock Conditioners 工具用于評(píng)估:LMK04100B 頻率:122.8 MHz 工作電源電壓:3.3 V
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