LMX2331A Dual Frequency Synthesizer

National Semiconductor

Description

LMX2330A/LMX2331A/LMX2332A PLLatinum Dual Frequency Synthesizer for RF Personal Communications May 1999 LMX2330A/LMX2331A/LMX2332A PLLatinum™ Dual F.
The LMX233xA family of monolithic, integrated dual frequency synthesizers, including prescalers, is to be used as a local oscillator for RF and first.

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Datasheet Specifications

Part number: LMX2331A
Manufacturer: National Semiconductor
File Size: 392.20 KB
Datasheet: LMX2331A_NationalSemiconductor.pdf
Description: Dual Frequency Synthesizer

Features

* 2.7V to 5.5V operation Low current consumption Selectable powerdown mode: ICC = 1 µA typical at 3V Dual modulus prescaler: LMX2330A (RF) 32/33 or 64/65 LMX2331A/32A (RF) 64/65 or 128/129 LMX2330A/31A/32A (IF) 8/9 or 16/17 n Selectable charge pump TRI-STATE ® mode n Selectable FastLock™ mode n Small

Applications

* n n n n n Portable Wireless Communications (PCS/PCN, cordless) Cordless and cellular telephone systems Wireless Local Area Networks (WLANs) Cable TV tuners (CATV) Other wireless communication systems Functional Block Diagram DS012331-1 TRI-STATE ® is a registered trademark of National Semiconduct

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LMX2331A Dual Frequency Synthesizer National Semiconductor

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