LMX2323 datasheet(1/12 Pages) NSC

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LMX2323

PLLatinum™ 2.0 GHz Frequency Synthesizer for RF

Personal Communications

General Description

The LMX2323 is a high performance frequency synthesizer

with integrated 32/33 dual modulus prescaler designed for

RF operation up to 2.0 GHz. Using a proprietary digital

phase locked loop technique, the LMX2323’s linear phase

detector characteristics can generate very stable, low noise

control signals for UHF and VHF voltage controlled oscilla-

tors.

Serial data is transferred into the LMX2323 via a three-line

MICROWIRE™ interface (Data, LE, Clock). Supply voltage

range is from 2.7V to 5.5V. The LMX2323 features very low

curent consumption, typically 3.5mA at 3V. The charge pump

provides 4 mA output current.

The LMX2323 is manufactured using National’s ABiC V

BiCMOS process and is packaged in a 16-pin TSSOP.

Features

n

RF operation up to 2.0 GHz

n

2.7V to 5.5V operation

n

Low current consumption: Icc = 3.5mA (typ) at

Vcc=3.0V

n

Digital Lock Detect

n

Dual modulus prescaler: 32/33

n

Internal balanced, low leakage charge pump

Applications

n

Cellular telephone systems (GSM, NADC, CDMA, PDC,

PHS)

n

Personal wireless communications (DCS-1800, DECT,

CT-1+)

n

Wireless local area networks (WLANs)

n

DCS/PCS infrastructure equipment

n

Other wireless communication systems

Functional Block Diagram

TRI-STATE® is a registered trademark of National Semiconductor Corporation.

MICROWIRE™ and PLLatinum™ are trademarks of National Semiconductor Corporation.

DS101362-1

October 2000

DS101362

www.national.com

Số phần tương tự - LMX2323

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
National Semiconductor ...	LMX2320	409Kb / 22P	Frequency Synthesizer for RF Personal Communications
	LMX2320TM	409Kb / 22P	Frequency Synthesizer for RF Personal Communications
	LMX2320TMX	409Kb / 22P	Frequency Synthesizer for RF Personal Communications
	LMX2322	216Kb / 14P	PLLatinumTM 2.0 GHz Frequency Synthesizer for RF Personal Communications
	LMX2324	157Kb / 12P	PLLatinum??2.0 GHz Frequency Synthesizer for RF Personal Communications

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Mô tả tương tự - LMX2323

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
National Semiconductor ...	LMX2324	157Kb / 12P	PLLatinum??2.0 GHz Frequency Synthesizer for RF Personal Communications
	LMX2346	606Kb / 27P	PLLatinum??Frequency Synthesizer for RF Personal Communications
	LMX2324A	329Kb / 12P	PLLatinum??2.2 GHz Frequency Synthesizer for RF Personal Communications (SL163188)
	LMX2335	393Kb / 18P	PLLatinum??Dual Frequency Synthesizer for RF Personal Communications
	LMX2330A	392Kb / 17P	PLLatinum??Dual Frequency Synthesizer for RF Personal Communications
	LMX2370	217Kb / 16P	PLLatinum??Dual Frequency Synthesizer for RF Personal Communications
Texas Instruments	LMX2335	437Kb / 19P	[Old version datasheet] PLLatinum Dual Frequency Synthesizer for RF Personal Communications
National Semiconductor ...	LMX2322	216Kb / 14P	PLLatinumTM 2.0 GHz Frequency Synthesizer for RF Personal Communications
National Semiconductor ...	LMX2306	338Kb / 19P	PLLatinum??Low Power Frequency Synthesizer for RF Personal Communications
Texas Instruments	LMX2430	4Mb / 48P	[Old version datasheet] PLLatinum??Dual High Frequency Synthesizer for RF Personal Communications

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