Datasheet > LMX2347MDC

LMX2347MDC

更新时间： 2024-01-12 03:58:01

品牌	Logo	应用领域
德州仪器 - TI		信息通信管理
页数	文件大小	规格书
27页	597K
描述
IC,FREQUENCY SYNTHESIZER,BICMOS,DIE

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中文翻译

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技术参数
数据手册

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LMX2347MDC 技术参数

生命周期：	Obsolete	包装说明：	, DIE OR CHIP
Reach Compliance Code：	unknown	风险等级：	5.84
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装等效代码：	DIE OR CHIP	电源：	3/5 V
认证状态：	Not Qualified	子类别：	PLL or Frequency Synthesis Circuits
最大供电电流 (Isup)：	8.8 mA	技术：	BICMOS
温度等级：	INDUSTRIAL	Base Number Matches：	1

LMX2347MDC 数据手册

November 2002

LMX2346/LMX2347

™

PLLatinum Frequency Synthesizer for RF Personal

Communications

LMX2346 2.0 GHz

LMX2347 2.5 GHz

General Description

Features

n RF operation up to 2.5 GHz

n 2.7V to 5.5V operation

The LMX2346/7 are high performance frequency synthesiz-

ers with an integrated 32/33 dual modulus prescaler. The

LMX2346 is designed for RF operation up to 2.0 GHz. The

LMX2347 is designed for RF operation up to 2.5 GHz. Using

a proprietary digital phase locked loop technique, the

LMX2346/7 generates very stable, low noise control signals

for UHF and VHF voltage controlled oscillators.

n Digital & Analog Lock Detect

n 32/33 Dual modulus prescaler

n Excellent Phase Noise

n Internal balanced, low leakage charge pump

n Pin Compatible to LMX2323

Serial data is transferred into the LMX2346/7 via a three-line

MICROWIRE interface (DATA, LE, CLOCK). Supply voltage

range is from 2.7V to 5.5V. The charge pump provides 4 mA

output current.

Applications

n Cellular DCS/PCS/3G infrastructure equipment

n Wireless Local Area Networks (WLANs)

n Other wireless communication systems

The LMX2346/7 are manufactured using National’s 0.5µ

ABiC V silicon BiCMOS process and is available in 16-pin

TSSOP and 16-pin CSP packages.

Functional Block Diagram

20038406

™

PLLatinum is a trademark of National Semiconductor Corporation.

DS200384

www.national.com

12 3 4 5 6 7...27

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