參數(shù)資料
型號(hào)： LMX2531LQ1500E
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： XO, clock
英文描述： High Performance Frequency Synthesizer System with Integrated VCO
中文描述： PLL FREQUENCY SYNTHESIZER, 80 MHz, QCC36
封裝： 6 X 6 MM, 0.80 MM HEIGHT, LEAD FREE, LLP-36
文件頁(yè)數(shù)： 4/23頁(yè)
文件大?。?/td> 561K
代理商： LMX2531LQ1500E
Pin Descriptions
(Continued)
Pin #
19
20
21
Pin Name
GND
GND
Fout
I/O
-
-
O Buffered RF Output for the VCO.
Power Supply for the VCO Buffer circuitry. Input may range from 2.8 - 3.2 V. Bypass capacitors
should be placed as close as possible to this pin and ground.
Tuning voltage input for the VCO. For connection to the CPout Pin through an external passive loop
filter.
O Charge pump output for PLL. For connection to Vtune through an external passive loop filter.
O An open drain NMOS output which is used for FastLock or a general purpose output.
Internally regulated voltage for PLL charge pump. Not intended to drive an external load. Connect to
ground with a capacitor.
Power Supply for the PLL. Input may range from 2.8 - 3.2 V. Bypass capacitors should be placed as
close as possible to this pin and ground.
Internally regulated voltage for RF digital circuitry. Not intended to drive an external load. Connect to
ground with a capacitor.
O Multiplexed CMOS output. Typically used to monitor PLL lock condition.
I
Oscillator input.
Oscillator complimentary input. When a single ended source is used, then a bypass capacitor should
be placed as close as possible to this pin and be connected to ground.
O This pin if for test purposes and should be grounded for normal operation.
-
Ground
-
Internally regulated voltage for LDO digital circuitry.
Description
Ground for the VCO circuitry.
Ground for the VCO Output Buffer circuitry.
22
VccBUF
-
23
Vtune
I
24
25
CPout
FLout
26
VregPLL1
-
27
VccPLL
-
28
VregPLL2
-
30
31
Ftest/LD
OSCin
32
OSCin*
I
33
34
36
Test
GND
VregDIG
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LMX2531LQ1500E/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
LMX2531LQ1500E_08 制造商:NSC 制造商全稱:National Semiconductor 功能描述:High Performance Frequency Synthesizer System with Integrated VCO
LMX2531LQ1500EX 制造商:NSC 制造商全稱:National Semiconductor 功能描述:High Performance Frequency Synthesizer System with Integrated VCO
LMX2531LQ1515E 制造商:Texas Instruments 功能描述:PLL Frequency Synthesizer Single 1450MHz to 1580MHz 36-Pin LLP EP T/R 制造商:Texas Instruments 功能描述:CLOCK SYNTHESIZER 1.6GHZ 36LLP
LMX2531LQ1515E/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
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