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LMX2346 - PLLatinum Frequency Synthesizer

Datasheet Summary

Description

The LMX2346/7 are high performance frequency synthesizers 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.

Features

  • n n n n n n n RF operation up to 2.5 GHz 2.7V to 5.5V operation Digital & Analog Lock Detect 32/33 Dual modulus prescaler Excellent Phase Noise Internal balanced, low leakage charge pump Pin Compatible to LMX2323.

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Datasheet Details

Part number LMX2346
Manufacturer National Semiconductor
File Size 597.64 KB
Description PLLatinum Frequency Synthesizer
Datasheet download datasheet LMX2346 Datasheet
Additional preview pages of the LMX2346 datasheet.

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Full PDF Text Transcription

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LMX2346/LMX2347 PLLatinum Frequency Synthesizer for RF Personal Communications November 2002 LMX2346/LMX2347 PLLatinum™ Frequency Synthesizer for RF Personal Communications LMX2346 2.0 GHz LMX2347 2.5 GHz General Description The LMX2346/7 are high performance frequency synthesizers 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. 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.
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