Datasheet > 信号电路 > 锁相环或频率合成电路> LMX2531LQ1500E

LMX2531LQ1500E

更新时间： 2024-09-23 04:19:55

品牌	Logo	应用领域
美国国家半导体 - NSC		信息通信管理
页数	文件大小	规格书
23页	563K
描述
High Performance Frequency Synthesizer System with Integrated VCO

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LMX2531LQ1500E 数据手册

October 2006

LMX2531LQ1500E

High Performance Frequency Synthesizer System with

Integrated VCO

General Description

Features

The LMX2531LQ1500E is a low power, high performance

frequency synthesizer system which includes a fully inte-

grated delta-sigma PLL and VCO with fully integrated tank

circuit. The third and fourth poles are also integrated and

also adjustable. Also included are integrated ultra-low noise

and high precision LDOs for the PLL and VCO which give

higher supply noise immunity and also more consistent per-

formance. When combined with a high quality reference

oscillator, the LMX2531LQ1500E generates very stable, low

noise local oscillator signals for up and down conversion in

wireless communication devices. The LMX2531LQ1500E is

a monolithic integrated circuit, fabricated in an advanced

BiCMOS process. There are several different versions of this

product in order to accomdate different frequency bands.

PLL Features

— Fractional-N Delta Sigma Modulator Order

programmable up to 4th order

— FastLock/Cycle Slip Reduction with Timeout Counter

— Partially integrated, adjustable Loop Filter

— Very low phase noise and spurs

VCO Features

— Integrated tank inductor

— Low phase noise

— 1499 - 1510 MHz Output Frequency

— 749.5 - 755 MHz Output Frequency (Divide by 2

Mode)

Other Features

— 2.8 V to 3.2 V Operation

— Low Power-Down Current

— 1.8V MICROWIRE Support

— Package: 36 Lead LLP

Device programming is facilitated using

MICROWIRE Interface that can operate down to 1.8 volts.

a three-wire

Supply voltage range is 2.8 to 3.2 Volts. The

LMX2531LQ1500E is available in a 36 pin 6x6x0.8 mm

Lead-Free Leadless Leadframe Package (LLP).

Target Applications

n Data Converting Clocking

DS201950

www.national.com

12 3 4 5 6 7...23

中文翻译

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与LMX2531LQ1500E相关器件

型号	品牌	获取价格	描述	数据表
LMX2531LQ1500E/NOPB	TI	获取价格	具有集成 VCO 的高性能频率合成器系统 \| NJG \| 36 \| -40 to 85
LMX2531LQ1500E_08	NSC	获取价格	High Performance Frequency Synthesizer System with Integrated VCO
LMX2531LQ1500EX	NSC	获取价格	High Performance Frequency Synthesizer System with Integrated VCO
LMX2531LQ1515E	NSC	获取价格	High Performance Frequency Synthesizer System with Integrated VCO
LMX2531LQ1515E	TI	获取价格	LMX2531 High Performance Frequency Synthesizer System with Integrated VCO
LMX2531LQ1515E	ROCHESTER	获取价格	PLL FREQUENCY SYNTHESIZER, 80 MHz, QCC36, 6 X 6 MM, 0.80 MM HEIGHT, LEAD FREE, LLP-36
LMX2531LQ1515E/NOPB	NSC	获取价格	IC PLL FREQUENCY SYNTHESIZER, 80 MHz, QCC36, 6 X 6 MM, 0.80 MM HEIGHT, LEAD FREE, LLP-36,
LMX2531LQ1515E/NOPB	ROCHESTER	获取价格	PLL FREQUENCY SYNTHESIZER, 80MHz, QCC36, 6 X 6 MM, 0.80 MM HEIGHT, LEAD FREE, LLP-36
LMX2531LQ1515E/NOPB	TI	获取价格	High-Performance Frequency Synthesizer System
LMX2531LQ1570E	TI	获取价格	LMX2531 High Performance Frequency Synthesizer System with Integrated VCO

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