參數(shù)資料
型號(hào)： LMX2372MDC
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： PLL合成/DDS/VCOs
英文描述： PLL FREQUENCY SYNTHESIZER, 1200 MHz, UUC
封裝： DIE
文件頁數(shù)： 18/27頁
文件大?。?/td> 550K
代理商： LMX2372MDC
National P/N LMX2372 - 1.2 GHz/1.2 GHz PLLati...
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file:\\Roarer\root\data13\imaging\BITTING\cpl_mismatch\20000719\07182000\NATL\07182000\LMX2372.html
7/19/00
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Products > Wireless Communications > Dual PLLs > LMX2372
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LMX2372
1.2 GHz/1.2 GHz PLLatinum Dual Frequency Synthesizer for RF
Personal Communications
Generic P/N 2372
Contents
General Description
Features
Applications
Datasheet
Package Availability, Models,
Samples & Pricing
General Description
The LMX237x family of monolithic, integrated dual frequency synthesizers,
including prescalers, is designed to be used as a first and second local oscillator
for dual mode or dual conversion transceivers. It is fabricated using National's
0.5u ABiCV silicon BiCMOS process. The LMX237x contains two dual
modulus prescalers. A 32/33 or a 16/17 prescaler can be selected for the 2.5
GHz and 2.0 GHz RF synthesizers with the 16/17 prescaler rated for input
frequencies below 1.2 GHz. A 16/17 or an 8/9 prescaler can be selected for the
1.2 GHz RF synthesizers with the 8/9 prescaler rated for input frequencies
below 550 MHz. Using a digital phase locked loop technique, the LMX237x
can generate very stable, low noise control signals for UHF and VHF voltage
controlled oscillators (VCOs). Serial data is transferred into the LMX237x via a
1.8 V three wire interface (Data, Enable, Clock) compatible with low voltage
baseband processors. Supply voltage can range from 2.7V to 5.5V. The
LMX237x family features very low current consumption typically: LMX2370 -
6.0 mA at 3V, LMX2371 - 5.0 mA at 3V, LMX2372 - 4.0 mA at 3V.
The LMX237x are available in a 24-pad chip scale (CSP) or a 20-pin TSSOP
surface mount plastic package.
Features
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LMX2372SLBX 功能描述:IC FREQ SYNTH DUAL 24LAMINATECSP RoHS:否 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器 系列:PLLatinum™ 標(biāo)準(zhǔn)包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時(shí)鐘 輸出:時(shí)鐘 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 頻率 - 最大:170MHz 除法器/乘法器:無/無 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:*
LMX2372TM 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinum⑩ Dual Frequency Synthesizer for RF Personal Communications
LMX2372TMX 功能描述:IC FREQ SYNTH DUAL 20-TSSOP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器 系列:PLLatinum™ 標(biāo)準(zhǔn)包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時(shí)鐘 輸出:時(shí)鐘 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 頻率 - 最大:170MHz 除法器/乘法器:無/無 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:*
LMX2377U 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinum⑩ Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications
LMX2377U WAF 制造商:Texas Instruments 功能描述:
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